AISI 4135 Low alloy steel (4100 Series, Cr-Mo Alloyed, 0.35% C ) Equivalent Grades UNS number G41350 US name SAE 4137, SAE 4135H, SAE 4135, SAE 17-22-A S, ASTM L7M, ASTM L7B, ASTM G41370, ASTM G55, ASTM F70, ASTM F65, ASTM  B1, ASTM 4137, ASTM 4130H, ASTM 4130, ~SAE 4130, ~ASTM H  70, ~ASTM H65, … Continue reading AISI 4135 Low alloy steel (4100 Series, Cr-Mo Alloyed, 0.35% C ) | Equivalent Grades