... . Size:90 mm to 800 mm Ultrasonic Test:Sep1921 Class C/c,D/d,E/e Good quality,good price Commodity: ... : SCM440, delivery condition: as forged.Similar garde:AISI4140,42CrMo4Chemical Composition :C : 0.42 - 0.47% , Si : 0.20 - 0.35% ... , Mn : 0.70 - 0.90% ,P/S : MAX.0.020% , Cr : 0.95 - 1.20%,Ni : ... be saw cutting.Ultra sonic test: Sep1921-84 Class 3 C/c,D/d,E/e;Other Steel Grade:Carbon Steel ...