Carpenter 158® | CarTech® No. 158®

Carpenter 158® (CarTech® No.158®) is a chrome-nickel alloy steel best suited for parts subject to heavy shock and wear. Carpenter 158 supplied by Rockwell Industries is ideally suited for jobs where an extra core strength is required. Fully treated, Carpenter 158 attains a core strength of approximately 160 ksi (1103 MPa) tensile strength with a yield point of about 135 ksi (931 MPa).

Rockwell Industries is offering Carpenter 158 at .75” diameter specifically for United States military firearms usage.

Current Available Inventory:
0.750” diameter

Common Specifications:

  • AMS 6265
  • QQ-S-624C
  • ASTM A646
  • SAE J1249

TYPE ANALYSIS:

Carbon (Nominal) 0.1
Silicon (Nominal) .3
Nickel (Nominal) 3.5
Manganese (Nominal) 0.5
Chromium (Nominal) 1.5
Iron (Nominal) Balance