at some point, it is how many angels can dance on the head of a pin. 9310 is a standard. Carpenter 158 is proprietary alloy, and no real difference from 9310 in effective use of weaponry in a bolt. The difference between C-158 and 9310, I just don't see it. There is no evidence, let alone testing differences to the practical extent that it matters.Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?[PARTS] Toolcraft Logo'd Carpenter 158 Nitride Full-Auto Bolt Carrier Group $69.99 + S/H . ... use 9310 steel for the bolts and I've not had a negative experience with them. I'm a believer in 9310 as any decent company should be spot checking the bolt hardness after heat treat to verify the process. ... [Magazine] Windham Steel 30rnd (9.99+free ...9310, and Carpenters 158, are two distinct different types of steels. Both made for different kinds of applications, and both with different properties. ... I recently talked with some Carpenter Steel engineers, the earliest mention (data sheets) that we could find with C-158 even listed was 1981.0. C158, 8620, 9310 BCG Steel. These are the (3) most common BCG steels being used in today's AR/M4 industry (from what I read about). I know just a little bit about metallurgy, but, not enough to distinguish what comes into play when each steel is used for BCG's. My (2) AR's use 9310 steel for the BCG's.Quoted: As I understand it, Carpenter 158 is a case (surface) hardened steel where 8620 is through hardened. This would allow C-158 to be very hard on the outside to prevent wear and crack formation while the inside is softer and more flexible to prevent crack propagation and absorb shock loads. 8620 being through hardened can either be …Jul 7, 2023 · The alloying elements in 9310 steel make its material composition and behavior more complex. This can affect material selection, processing, and quality control, requiring specialized knowledge and expertise to ensure consistent and reliable performance. What Is the Difference Between 9310 Steel and Carpenter 158 Steel?Both normalized SAE-AISI 9310 and SAE-AISI 4340 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Why 9310 instead of Mil-Spec Carpenter 158 steel? Simple, 9310 is an AISI standard grade tool steel which, when properly treated, actually makes it about 7 ...AR-15 bolts are typically made of high-strength materials like Carpenter 158 steel or 9310 steel, which provide durability and reliability under extensive use. 3. How is the AR-15 bolt different from other rifle bolts?The bolt is expertly crafted from 158 carpenter steel, providing exceptional strength, and is finished with a durable Manganese Phosphate coating for added resilience. Each bolt carrier undergoes rigorous MPI (Magnetic Particle Inspection) to ensure flawless integrity, and they are individually test-fired, guaranteeing reliability and performance …For a free quote or To find out more about 9310 Alloy Steel, Call us on 714-632-0140. Contact Us. Friend Metals offer 9310 alloy bar with AMS 6265 specifications. Explore our forging options for high-quality alloys. Visit our website for more details.Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum ... Bolts available in 9310 Steel or Carpenter 158; Lifetime Warranty. Our products carry a lifetime warranty. Simply put… Should any of our products fail, return it to us for a brand new replacement. Home; Products; Quality Requirements; Coatings;Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum Keys made from 4130 Steel Bolts available in 9310 Steel or Carpenter 158 Our products carry a lifetime warranty. Simply put Should any of our products fail, return it to us for a brand new replacementFirearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Better Bolt metal 9310 Steel or Carpenter 158 AR15 COM. The market demands 4150 because it is believes to be so much better than 4140 when in actuality they are nearly identical C 158 is simply Carpenters trade name for P 6 tool steel P 6 and 9310 are very close in composition The 9310 has some molybedenum while the P 6 has more chrome and nickelHeat Treatment of steel grade SAE 9310 . Heat treated : 1657°C - 1767°C. Technological Curves of steel grade SAE 9310 . No Curve. Cross Reference Table (Equivalent Grade) of SAE 9310 . Grade Standard Country Application; SAE NVl(1541) SAE: USA: precipitation hardening: SAE NV2(1547) SAE: USA:8740 steel firing pin with hard chrome finish. Magnetic particle inspected. Proudly made in the U.S.A. Nickel Boron 5.56 Bolt Carrier Group (BCG) Nickel Boron 5.56 Bolt Carrier Group (BCG) Product Specs: Features: .223/5.56 NATO Nickel boron finish M16 cut 9310 steel carrier arpenter 158 steel bolt 4140 steel extractor MIL-SPEC O-ring MIL-SPEC.Apr 29, 2017 · In contrast to this, LWD doesn't sell bulk steel, it sells products expected to perform beyond mil-spec requirements. But Carpenter cares little or nothing about whether bolts made from 158 steel break prematurely or not. Carpenter has never made or even tested a single bolt, and doesn't warranty any of the bolts manufactured using it's 158 steel.Apr 21, 2020 ... BCG Specifications: https://studio.youtube.com/video/jVPqwwS8AM8/edit Patreon: https://www.patreon.com/kotaboy32 Email: [email protected] ...Carpenter Technologies' 158 blend of steel was selected as it provided adequate strength and wear characteristics. It has been the "Mil-Spec" since. Since the creation of Carpenter 158, the metals industry has continued to innovate, creating new blends of steels. 9310 is a AISI standard grade of tool steel that makes it about ~7% stronger than ...Explore the pros, cons, and differences between vinyl, steel, and aluminum gutters for your home. Find the best fit for your needs and budget. Expert Advice On Improving Your Home ...M-50 VIM-VAR is a premium-melted alloy exhibiting excellent resistance to multi-axial stresses, resistance to softening at high service temperatures and good resistance to oxidation. Characteristic of a high-speed tool steel, it possesses high compressive strength. All M-50 at Sullivan is melted in the USA. Domestic Source and DFARS Approved. FOR REQUIREMENTS: High Temperature Steel, AircraftDescription. FULL AUTO RATED M16 / AR15 NITRIDE BCG ( Check it out ) BCG Includes: High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Carrier machined from 8620 alloy, full auto profile, heat treated, Nitrided. Gas Key machined from 4130 chromoly steel alloy, heat treated and Nitrided. Bolt precision machined from 9310 alloy ...Jul 20, 2014 · Members. 550. LocationCalifornia. Posted July 20, 2014. I have been partial to the Carpenter 158 material for bolts but, there are quite a few available in 9310. I know 9310 alloy steel is very strong (they make differential ring and pinion gears for professional class drag racing cars. from it!) but on the M16/M4 the mil-spec is C158 - what is ...Extractors are being made from these materials as an example. 440C and 17-4. These are stainless steels, and used in many parts sold as "stainless". 8620. This is case hardening steel, which is tough and as standalone responds little to heat treatment, but once case hardened, can be made into very tough, but on the surface very hard part.Bolt is made of 158 carpenter instead of the 9310 i notice most others are. Is the 158 going to hold up fine its a hunting rig for a buddy that probly wont see a lot of rounds. ... Why is 9310 Steel the superior option for your AR-15/M16 Bolt? Well, 9310 is actually around 7% stronger than Carpenter 158 and is better than "mil-spec." "Down the ...A286 AMS 5732 is an iron based superalloy designed for applications requiring high strength and good corrosion resistance at temperatures up to 1300°F (704 °C). A-286 AMS 5732 from Rockwell Industries attains its high strength levels through a solution heat treatment followed by a precipitation hardening. Its oxidation resistance remains high ...Alloy Steel 9310 specializes in high core strength applications. It also exhibits good strength, high toughness, hardenability, core strength, and very high fatigue strength. When annealed, 9310 has good ductility, machinability, and cold working properties. Additionally, 9310 is easily welded.Bren. 79807 posts · Joined 2005. #2 · Aug 21, 2019. I looked at a couple of PSA kits recently and the only difference was that one had a 9310 bolt and one had a C158. I doubt it makes any difference, but the C158 is the mil spec, so it has been tried and tested a lot more for a lot longer, so I went with that. The left are a coalition of ..."C158 vs 9130 bolt material" "Carpenter 158 9130 m16 bolt" "C158 9130 superior bolt material" Something along those lines... Someone please help me find this document as I believe that it's important info for the AR community to know. There are so many 9130 vs C158 threads and this could be the document that ends all of the arguments.Better Bolt metal 9310 Steel or Carpenter 158 AR15 COM. The market demands 4150 because it is believes to be so much better than 4140 when in actuality they are nearly identical C 158 is simply Carpenters trade name for P 6 tool steel P 6 and 9310 are very close in composition The 9310 has some molybedenum while the P 6 has more chrome …Alloy Steel 9310 specializes in high core strength applications. It also exhibits good strength, high toughness, hardenability, core strength, and very high fatigue strength. When annealed, 9310 has good ductility, machinability, and cold working properties. Additionally, 9310 is easily welded.Carpenter Technologies' 158 blend of steel was selected as it provided adequate strength and wear characteristics. It has been the "Mil-Spec" since. Since the creation of Carpenter 158, the metals industry has continued to innovate, creating new blends of steels. 9310 is a AISI standard grade of tool steel that makes it about ~7% stronger than ...Aermet 100 (Carpenter Technology Corporation), Ferrium C61 and Ferrium C64 (QuesTek Innovations, LLC)) after a preliminary evaluation of a larger material matrix that had consisted of, in addition, CCS42L, LESCO53, 32CDV13 and XD15NW ferrous alloys. Pyrowear 675 is a high strength stainless steel designed for gear application. Aermet …These steels contain elements such as chromium, cobalt, nickel, etc. In comparison with carbon steels, alloy steels are a lot more responsive to mechanical and heat treatments. Alloy steels can be subjected to unique melting and deoxidization processes for specific kinds of applications. AISI 9310 alloy steel is a low alloy steel containing ...PSA built this rifle to be as simplistic as possible with features like the forward assist to help with malfunctions and reloads and a dust cover to prevent dirt, carbon, grass, and precipitation. The bolt-carrier group is built to operate in full-auto (depending on state & federal laws) and made with a Carpenter 158 steel bolt.5.56 Bolt is machined from Carpenter 158 tool steel; Shot peened; HPT tested/MPI marked; Black o-ring insert on extractor; High quality BCG; Nickel Bolt Carrier Group: No Aero 'A' Logo; Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) Carrier has forward assist serrations; Shrouded firing pinSubscribe to be notified when this product is back in stock. SKU: F4-15-BCG-NiB Categories: BCG, Parts. Description. Additional information. Reviews (1) Material: 9310 Steel Bolt (Carpenter 158), 4140 Billet Extractor, 8620 Steel Carrier (Full Auto) Features: Magnetic Particle Inspected (MPI) Bolt. Finish: Premium Nickel Boron Finish or Black ...Grade 6 titanium belongs to the titanium alloys classification, while SAE-AISI 9310 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. For each property being compared, the top bar is grade 6 titanium and the bottom bar ...Choose from either the very popular 9310 steel or the mil-spec 158 Carpenter steel. Both are modern ultra-high strength steels designed specifically for applications where high strength and durability are of paramount importance. ... 9310 or Carpenter 158 Steel: Bolt Finish: Nickel Boron: Caliber: 223/5.56/300 Blackout: Extractor O-ring: Viton ...For a private individual, why would it be any different? You buy a C158 bolt and it lasts 10,000 rounds, so you replace it for $80.00 after 10,000 round.The most common is Carpenter 158 or C-158 steel, and the second most popular is 9310 steel. The exact difference between them is a lot of scientific talk but the easy version is that 9310-steel is about 7% …It also exhibits good strength, high toughness, hardenability, core strength, and very high fatigue strength. When annealed, 9310 has good ductility, machinability, and cold working properties. Additionally, 9310 is easily welded. It is typically used in gears, crankshafts, heavy-duty gears, the automotive, trucking, and aerospace industries.The Carpenter 158 Bolt is heat treated, shot peened, precision ground for perfect dimensions, and MPI Tested. The 4140 Billet Gas Key is properly torqued with Grade 8 fasteners, and properly staked to ensure reliability. The 4140 Billet Cam Pin is nitride treated for wear resistance. ... 9310 Steel: Carrier Material: 8620 Steel: Country of ...Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.These steels contain elements such as chromium, cobalt, nickel, etc. In comparison with carbon steels, alloy steels are a lot more responsive to mechanical and heat treatments. Alloy steels can be subjected to unique melting and deoxidization processes for specific kinds of applications. AISI 9310 alloy steel is a low alloy steel containing ...Bolt Material: Machined from Mag Particle Inspected Carpenter 158 or 9310 Steel. ... Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel. Rifling: 1 in 10″ - Right Hand Twist. Stock: Magpul CTR Carbine Stock with Magpul ASAP QD Single Point Receiver End Plate.The Insider Trading Activity of CARPENTER ROBERT J on Markets Insider. Indices Commodities Currencies Stocks8740 steel firing pin with hard chrome finish. Magnetic particle inspected. Proudly made in the U.S.A. 6.5 Grendel Nitride Bolt Carrier Group (Type II) BCG Nitride 6.5 Grendel (Type II) Bolt Carrier Group (BCG) Product Specs: 6.5 Grendel Salt bath nitride finish M16 cut 9310 steel carrier Carpenter 158 steel bolt 4140 steel extractor MIL-SPEC O-ri.Sep 24, 2020 · While most individuals will argue that 9310 steel is just as strong as Carpenter 158, 9310 steel bolts rely upon proper heat treatment for this strength. 9310 bolts have a documented history of breaking due to improper heat treating as the 9310 steel heat treat procedure requires very strict control in order to meet the specified surface and ...The bolt is constructed from magnetic particle inspected Carpenter 158 steel, known for its strength and reliability. The carrier is crafted from aircraft-quality 8620 steel and features the M16 cut. It includes a gas key secured by properly staked grade 8 screws for enhanced reliability. The gas key is built from 4130 steel to withstand the ...The main difference between 9310 steel and 300M steel is their composition. 9310 steel contains higher levels of carbon and chromium, while 300M steel contains higher levels of molybdenum and vanadium. This difference in composition gives each type of steel different properties that make them suitable for different applications.8740 steel firing pin with hard chrome finish. Magnetic particle inspected. Proudly made in the U.S.A. Nitride 5.56/223 Bolt Carrier Group (BCG) Nitride 5.56/223 Bolt Carrier Group (BCG) Product Specs: .233/5.56 NATO Salt bath nitride finish M16 cut 9310 steel carrier Carpenter 158 steel bolt 4140 steel extractor MIL-SPEC O-ring MIL-SPEC gas rin.Apr 16, 2018 ... Budget Vs. Expensive! BCG's. KB32 Tactical•103K views · 14:24 · Go to ... PSA 5.56 NATO 9310 BASIC Bolt Carrier Group Full Review. KB32 Tactical&...Because of its high strength, 9310 steel is used to forge both the carrier and bolt in some BCGs. Carpenter No. 158 Bolt Steel. The bolt itself is subjected to the highest heat, pressure and friction when live rounds are fired. To accommodate this, the bolt itself is made from Carpenter No. 158 steel, the mil-spec alloy favored by the military.LESCALLOY 9310 VAC-ARC steel has machinability rating of 40% of B1112 steel. FORMS AVAILABLE Billets; hot rolled bars, cold drawn and centerless ground bars; forgings. APPLICATIONS Aircraft Engine Gears and Pinions HEAT TREATMENT Annealing: Heat uniformly to 1475-1575°F (802-857°C), furnace cool. Normalizing: Heat uniformly to 1650-1750°FConclusion. Choosing between 9310 Tool Steel and Carpenter Steel can be challenging. However, understanding the strengths and weaknesses of each steel type …The most popular steel alloys for BCGs are Carpenter 158 and 9310 steel. The BCG encounters plenty of stress and heat, which makes steel an ideal material. 9310 steel is strong and durable, making it common among manufacturers. Carpenter 158 is more commonly used by the military. Heat TreatmentSKU 51655115274 Brand Palmetto State Armory Model Number 51655115274 UPC 51655115274 DETAILS Manufacturer: Toolcraft Caliber: 5.56/.223 Bolt Finish: Nitride Bolt Steel: Carpenter No. 158 Steel Profile: Full Auto Profile Gas Key: Grade 8 Hardened Fasteners, Staked per MilSpec FEATURES This Toolcraft Logo'd Nitride BCG is made with a carpenter 158 bolt with a full-auto profile, designed to be ...Raise your children like a gardener—not a carpenter. My oldest daughter turns 10 this month. I say this with disbelief, as I am under the mistaken impression that I am still new to...While the Nickel Boron on the 9310 steel bolt was chosen for being easy to clean, having a low coefficient of friction, AND with the benefit of heat dissipation. ... Carpenter 158 steel bolt; Chrome-lined interior bolt carrier key and bolt carrier; Torqued and staked gas key screws; Coated with a matte black mil-spec finish;Lugs were a little more beefy, made from 9310 Vac Arc steel. Seemed to be a little more rugged looking than your standard mil. spec. bolt made from Carpenter 158. A few other minor differences. I have never installed or run this bolt before and was curious if anyone else has had any experience with bolts made from 9310 Vac Arc steel?0. C158, 8620, 9310 BCG Steel. These are the (3) most common BCG steels being used in today's AR/M4 industry (from what I read about). I know just a little bit about metallurgy, but, not enough to distinguish what comes into play when each steel is used for BCG's. My (2) AR's use 9310 steel for the BCG's.Wilson combat 9310 steel - on sale for $98.57. BCGs are coming down in price and I want to buy a couple of good quality ones while prices are good. I have a Palmetto State Armory premium 158 Carpenter steel bolt carrier group on the way, I ordered it last week for $109. The other BCG I was looking at was the Rainier Arms for $119 and a lifetime ...What Is the Difference Between 9310 Steel and Carpenter 158 Steel? 9310 steel and Carpenter 158 steel differ in their composition and intended applications. 9310 steel is a nickel-chromium-molybdenum alloy steel containing carbon, manganese, silicon, chromium, nickel, and molybdenum. It is known for its strength, toughness, and wear resistance ...9310 and Carpenter steel are both high quality, strong materials that are made stronger through heat treating. (see increasing yield strength) However, the metals can be heat treated to a increased strength where they become hard and brittle. ... The MAX yield strength for 158 and 9310 is apx 160000 PSI set by the companies that manufacture the ...The carrier is made of AISI 8620 aircraft-quality steel, the Carpenter Technology No. 158 Alloy is used for the bolt, and the gas key is made from 4130 Chromoly steel. ... The bolt on this one is made from case-hardened 9310 steel which has been shot-peened and magnetic particle inspected for maximum durability and reliability.Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?The NBS .223/5.56 DLC Bolt Carrier Group was designed with strength in mind. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, a high fatigue strength, and a high hardenability rating. 9310 steel, when treated properly, is about 7% better than Carpenter 158 steel, so you know that you will have a …"Customers want modern designs, but the traditional stores do not offer that variety" The way Indians buy furniture seems to be changing. Until a few years ago, most would either c...Conclusion. Choosing between 9310 Tool Steel and Carpenter Steel can be challenging. However, understanding the strengths and weaknesses of each steel type …We also offer the Toolcraft DLC BCG with a 9310 grade tool steel bolt. This bolt steel is 7% stronger than even Carpenter 158 steel. Above: SpiceTac specifies MIL SPEC Carpenter 158 steel for the bolts in our Diamond DLC BCGs. Even great bolt steels like 9310 and C-158 won't overcome one weakness that the AR-15 has shown over the years as it ...0. C158, 8620, 9310 BCG Steel. These are the (3) most common BCG steels being used in today's AR/M4 industry (from what I read about). I know just a little bit about metallurgy, but, not enough to distinguish what comes into play when each steel is used for BCG's. My (2) AR's use 9310 steel for the BCG's.Why 9310 Steel in an AR-15 / M16 Bolt? Why is 9310 Steel the superior option for your AR-15/M16 Bolt? Well, 9310 is actually around 7% stronger than Carpenter 158 and is better than "mil-spec." faxonfirearms.com. 9.4140 vs 9310. 4140 vs 9310 : what is the difference between 4140 steel and 8620 steel? A： Today we are still discussing 4140 steel. As we know that 4140 steel belongs to the alloy structural steel. ... B：9310 steel can be used in some applications without case-hardening, as it exhibits strength with excellent toughness and ductility. A .... Simple, 9310 is an AISI standard grade tool steel which, when prope4140 vs 9310. 4140 vs 9310 : what is the difference Carpenter 158 comes from one place, and one place only, Carpenter Technology of Reading PA. AISI 9310 steel can be sourced from any number of foundries, Carpenter being one of them. Needless to say, 9310 is more easily obtainable. Posted: 12/16/2016 12:41:00 AM EDT. [#5] I bought one thinking it had a Carpenter 158 bolt a Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Posted by u/wormraper - 98 votes and 28 com...
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