
Hot Rolled Round: dia.20-250 mm
Forged Round: dia.200-600 mm
EAF+LF+VD, Hot Rolled or Forged, Black surface or Machined surface (Peeled, Turned, Grinded), Annealed, Hardness≤229HB, UT 100% Passed
AISI / SAE | DIN / W.Nr | JIS | GB |
E7140 | 1.8509 41CrAlMo7-10 | SACM1 SACM645 | 38CrMoAl |
C | Si | Mn | P | S | Cr | Mo | Al |
0.35 0.42 | 0.20 0.45 | 0.30 0.60 | ≤ 0.030 | ≤ 0.030 | 1.35 1.65 | 0.15 0.25 | 0.70 1.10 |
GB 38CrMoAl is Al-alloyed nitriding steel grade for large-sections.
GB 38CrMoAl is used for making structural parts with high surface hardness - piston rods, extruders, cylinders, shafts, straightening tools, measuring tools, etc.