Carpenter 158 vs 9310.

... vs Semi-Auto Bolt Carrier Groups; Mil-Spec Bolt Carrier Groups; HPT and MPI Tested ... except that the bolt is made of 9310 steel instead of Carpenter 158. The ...The 9310 steel is another common material for bolts and carriers, but it’s cheaper and not as strong as the Carpenter 158. The tensile strength of 9310 steel comes in at 910 MPa, while its yield strength is 570 MPa. Finally, the 8620 steel is the cheapest option, and you can usually find it on the carrier, not the bolt.The heat treatment process must be more closely controlled with 9310, from what I've read. I'm pretty sure Aermet 100 is a better steel than Carpenter 158 or SAE 9310. It's also made by Carpenter Technology Corporation. The Aermet 100 is about 3 times more expensive than Carpenter 158, but doesn't have lot minimums.The Relia-Bolt™ is machined from S7 tool steel and tempered with SRC’s proprietary heat-treating process, significantly increasing strength when compared to MilSpec Carpenter 158. S7 provides a 75% increase in tensile strength, and nearly 60% improvement in yield strength.-See it at Sharps here. Low Plasticity Roller Ball Burnishing:

Jul 4, 2023 · It’s MPI tested and otherwise mil-spec…except that the bolt is made of 9310 steel instead of Carpenter 158. The chances of that mattering for an average shooter that puts even a few thousand rounds downrange a year is super slim. In the back of your mind, you’ll know it’s not mil-spec…but it’s about half the price of the BCM. Dec 10, 2013 · 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 ...

C 158 vs 9310 Bolt Just ordered a Aero Precision 6.5 bcg with bolt. 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. Im sure ...The heat treatment process must be more closely controlled with 9310, from what I've read. I'm pretty sure Aermet 100 is a better steel than Carpenter 158 or SAE 9310. It's also made by Carpenter Technology Corporation. The Aermet 100 is about 3 times more expensive than Carpenter 158, but doesn't have lot minimums.

Made in USA. Bolt is made of Mil-spec Carpenter 158 steel, Shot peened, High pressure tested and Mag Particle Inspected. Gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is phosphated outside and chrome lined inside. Laser engraved with the PSA logo. HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310; Mil-Spec Extractor and Ejector Springs, Gas Rings; While the two bolts have identical construction, the two coatings vary slightly. Here’s the information on both the DLC and NiB-X coatings. Technical Data on DLC Coating. …TOOLCRAFT NON-LOGOED PREMIUM 5.56 NICKEL BORON BCG WITH CARPENTER 158 BOLT... Home. Forums. New posts Search forums. What's new. New posts New media New media comments New profile posts Latest activity. Media. New media New ... They may have been as low as 29.99 for 9310, MPI, like the one pictured a few …Aug 26, 2023 · Carpenter No. 158 Bolt Steel. This is Mil-Spec steel for bolt fabrication and offered case hardened steel to prevent cracking and surface wear. Tensile Strength: 1103 MPa; Yield Strength: 931 MPa; 9310 Steel. Similar to Carpenter No. 158 and is used for both carrier and bolt manufacturing, it is more widely available and is more affordable. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.

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?

C 158 vs 9310 Bolt Just ordered a Aero Precision 6.5 bcg with bolt. Bolt is made of 158 carpenter instead of the 9310 i notice most others are. Is the 158 going to ...

For each property being compared, the top bar is SAE-AISI 4140 steel and the bottom bar is SAE-AISI 9310 steel. SAE-AISI 4140 (SCM440, G41400) Cr-Mo Steel SAE-AISI 9310 (1.6657, G93106) Ni-Cr-Mo Steel. Metric Units US Customary Units. Mechanical Properties. Brinell Hardness: 200 to 310:Jul 7, 2023 · On the other hand, Carpenter 158 steel is chosen for its toughness, shock resistance, and fatigue strength. As such, it sees use in firearm components, gears, shafts, and general machinery. What Is the Difference Between 9310 Steel and 8620 Steel? 9310 steel and 8620 steel are low-alloy steels with some key differences between them. MPN: APRA210600 Features: Designed for AR type upper receivers; Fits Mil-Spec 1913 Picatinny rails; Cross-slot keyway for recoil protection; Additional 2 inches forward for better eye reliefIn conclusion, 9310 and 158 steel have unique properties and characteristics that make them ideal for certain applications. 9310 steel is tougher and more impact-resistant, while 158 steel is more corrosion-resistant. When choosing between the two, it’s important to consider your project’s specific requirements and needs.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 …by comparison to Carpenter 158, AISI 9310 has several elements present in its composition that are detrimental to fatigue while not being evident in the physical properties. It has become evident from the industry that a number of manufacturers have jumped upon the AISI 9310 wagon in order to claim better performance.Friction vs Steel: Dry 0.1: Color: Black: MPI and HPT tested; Tensile strengths of 1550-1600 mpa, or 220,000-235,000 psi. Toughness of over 200 ft./lb. Charpy C-Notch; HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310; Mil-Spec Extractor and Ejector Springs, Gas Rings;

9310 ALLOY STEEL – AMS 6265 VAR – UNS93106 DATA SHEET GENERAL CHARACTERISTICS: 9310 VAR AMS 6265 is a Chromium-Nickel-Molybdenum Alloy used as a Carburizing Grade for Aircraft Parts. Users can obtain high case hardness coupled with high core strength and toughness. High alloy content makes it suitable for use in relatively large cross-sections. Looks like a $10 "premium" for the black nitrate over the phosphorus (both with Carpenter 158 bolts). Don't get me wrong - I'm not trying to "save" ten bucks. Tell me which of these are "better" and that's the one I'll get. Posted ... C158 and 9310, are in high load gears, often in helicopter transmissions, ...Carpenter 158. Some consider Carpenter 158 the best steel grade for a bolt. It is chrome-nickel alloy steel. Industry specs say when case hardened, this is ideal for parts that experience heavy shock and wear. That describes a bolt perfectly. Carpenter Steel is also a proprietary alloy only available from Carpenter Technology. I find it ...Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. C 158 vs 9310 Bolt Just ordered a Aero Precision 6.5 bcg with bolt. Bolt is made of 158 carpenter instead of the 9310 i notice most others are. Is the 158 going to ...Stag Arms – Mil-Spec shot peened Carpenter 158 steel.440″ Bolt Face. 6.5 Grendel – Type 2 with .136″ Head Space; 7.62x39mm – Type 1 with .125″ Head Space; 6mm ARC – Type 2 with .136″ Head Space; Who Makes these? Maxim Firearms – 9310 Steel Stag Arms – Material not listed Underground Tactical – 9310 AQ Steel.473″ Bolt ...This, c158 has to be purchased in massive quantities, while 9310 can be purchase in a quantity more reasonable for a small company. Can also hold up to the stress a bolt is put under as well as 158 with proper heat treating. View All Quotes. better actually however, the heat treating must be done right.

Posted on 1/16/21 at 2:25 pm. 1 0. Been examining the differences between C158 and 9310 steel bolts for the AR platform, and now I'm more confused than before. C158 is supposed to technically be stronger than 9310, but many higher end BCG makers are now using 9310 instead of C158 for their bolts b/c they say 158 is antiquated and they have ...

Though Carpenter 158 and 8620 steel are used for making Mil-Spec AR-15s, M4s, and M16s, many commercial manufacturers also use other materials. For instance, Faxon Firearms use 9310 Steel bolts for their BCG, and V Seven Weapon System offers a bolt carrier in Grade 5 Titanium. These materials are actually stronger than Mil-Spec steel and are ... 9310 G93106 52100 G52986 ACUBE® 100 Carpenter 158 T51606 CBS-223 CBS-50 NiL K91231 M-50 T11350 CBS-600 K21940 ... Carpenter Acube® 100, Custom Age 625 Plus®, Custom Age 725®, Free-Cut Invar “36”®, High Permeability “49”®, HyMu “80”®, Invar “36”®, ...The difference is in the steel. Many manufacturers will state that properly heat treated 9310 is approximately 7-8% "stronger" than 158, but 9310 requires that it be heat treated properly to achieve that increase in strength. Carpenter 158 is mil-spec, but many companies nowadays are opting for "stronger" steels like 9310 and S7 which are both ...Jun 10, 2019 · Central NY. I read an article by Faxon ( manufacturer of barrels and other parts) and they claim that 9310 steel is better than Carpenter 158. C158 is MilSpec and at the time. a good steel. 9310 is newer and 7% better. Faxon has a good reputation for barrels. so I will take their word on this. Nov 16, 2013 · Now the bolts, they are made with AISI 9310 Steel, 9310 is better suited for an application such as a M16 bolt. 9310 is a steel typically used for gears, cams and …9310 Steel, Carpenter 158. Coating Type: Diamond-Like Carbon (DLC) Caliber: 223 Rem, 300 Blackout, 350 Legend, 5.56 NATO. Carrier Material: 8620 Steel. Manufacturer: Toolcraft. Features: Forward Assist Serrations. Compatibility: Standard AR15 components. Bolt Material: 9310 Steel, C158 Steel. Arm or Ally is a stocking dealer for all Aero ...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?Carpenter 158 was what was spec'd in the 1950's when the rifle was made. One company in the world makes it, and it's Carpenter. Other metal alloys have come along since 1950-whatever that are definitely superior, I think 9310 is fine. So is polishing a radius on the cam pin hole in the bolt, which is where the cracks usually happen.9310 has a better charpy rating which should help to keep the lugs from ripping off the body of the bolt. From what I understand is what is said above. 158 has to be bought in bulk to make it worth while and affordable. The 9310 is cheaper to buy in smaller quantities.

Nov 14, 2013 · 11-14-13, 06:26 #1 eperk Member Join Date Aug 2012 Location Northeast MS. Posts 460 Feedback Score 0 Carpenter 158 Vs. 9310 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?

There are different grades of 9310. Vac Arc being the highest. More and more bolts are being made from it because of availability. 158 is controlled by Carpenter and you have minimum weight orders to meet or they will not sell to you. Some say 9310 has a slight advantage over 158, but looking at the chemical makeup, they are very similar.

For applications that require excellent toughness, wear resistance, and uniform hardness, 9310 steel bolts are a great option. For applications that require high strength, durability, and resistance to thermal shocks, C158 bolts are the ideal choice.I recently purchased a Toolcraft 5.56 NATO Black Nitride BCG....but choose 9310-Steel-Bolt instead of the Carpenter 158 steel bolt? Do I need to return it...Thread: Carpenter 158 Vs. 9310. Thread Tools. Show Printable Version; 11-14-13, 18:32 #11. Mr blasty. View Profile View Forum Posts View Articles Member Join Date Jun 2010 Location MN Posts 947 Feedback Score 6 …Carpenter 158 is 9310 with case hardening It's not, Carpenter 158 is a propitiatory steel alloy. It has similar (arguably superior) properties to 9310 but it is not 9310.Jun 4, 2016 · 9310 has a better charpy rating which should help to keep the lugs from ripping off the body of the bolt. From what I understand is what is said above. 158 has to be bought in bulk to make it worth while and affordable. The 9310 is cheaper to buy in smaller quantities. Made in USA. Bolt is made of Mil-spec Carpenter 158 steel, Shot peened, High pressure tested and Mag Particle Inspected. Gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is phosphated outside and chrome lined inside. Laser engraved with the PSA logo.Toolcraft Inc. is an OEM manufacturer of bolt carrier groups (BCGs) for many AR15 makers. These companies know they can trust Toolcraft quality and are proud to have their logos applied to Toolcraft BCGs. Toolcraft products are also trusted by the U.S. Military and carry a lifetime warranty. Finish is Black Nitride which is a metal treatment ...A little more expensive, but easier to heat treat with little if any distortion. You can get 55 c scale with S-7 air quench. The other two have to be done in a carbon gas atmosphere . S-7 has a higher shock rating, but slightly less in the wear and abrasion than 9310 or 158.9310 ALLOY STEEL – AMS 6265 VAR – UNS93106 DATA SHEET GENERAL CHARACTERISTICS: 9310 VAR AMS 6265 is a Chromium-Nickel-Molybdenum Alloy used as a Carburizing Grade for Aircraft Parts. Users can obtain high case hardness coupled with high core strength and toughness. High alloy content makes it suitable for use in relatively large cross-sections.

Now the bolts, they are made with AISI 9310 Steel, 9310 is better suited for an application such as a M16 bolt. 9310 is a steel typically used for gears, cams and things of that nature while Carpenter 158 or P6 tool steel is a plastic injection mold steel. 9310 is easier to machine and is more dimensionally stable in the heat treat process, this …If fact, 9310 response to thin section quenching is better that Carpenter 158. And, taking the leap between this statement:". . . by comparison to Carpenter 158, AISI 9310 has several elements present in its composition that are detrimental to fatigue while not being evident in the physical properties . . ." and this statement:Feb 15, 2020 · Carpenter 158 is mil-spec, but many companies nowadays are opting for "stronger" steels like 9310 and S7 which are both tool steels used in large machines. …AR15 Toolcraft Nickel Boron BCG - 9310 Steel -or- Carpenter 158 Steel Bolt, MPI Inspected, expertly machined, and a hassle free Lifetime Warranty! Track Your Order. Need Help? Menu. Reloading. Once Fired Brass. Commercial Range Brass; ... 9310 Steel. Carrier Material: 8620 Steel. Manufacturer:Instagram:https://instagram. coffee county jail mugshotschevy cruze temp sensor locationwalmart oslaldi covington la 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? Carpenter 158 Vs. 9310 - Page 10HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310. Mil-Spec Extractor and Ejector Springs, Gas Rings. While the two bolts have identical construction, the two coatings vary slightly. Here’s the information on both the DLC and NiB-X coatings. h mart nilesthe ithaca journal obituaries 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 nickel. 9310 is about half the cost of P-6. Which is better? Don't know, I barely made it through that class. IMO, the heat treat is probably more important than the alloy comp. jordanelle reservoir water temperature ... 9310 alloy steel as an acceptable bolt material and substitute for Carpenter 158 (Carpenters brand name AISI P6 Spec mold steel). 8620 Carrier. 9310 Bolt MP ...May 1, 2021 ... 9310 Steel – Keep in mind: even if you have a “mil-spec” BCG, most of the bolt components will actually be made by 9310 steel or Carpenter 158 ...