China AISI 4140 / En19 Forged Alloy Round Steel Bars, Find details about China Forged Steel, Forged Steel Bar from AISI 4140 / En19 Forged Alloy Round Steel Bars
Standard | AISI / SAE 4140 |
UNS | - |
WERKSTOFF NR. | 41CrMo4, 42CrMo4, 42CrMoS4, 43CrMo4 |
BS 970 | 708M40, 708A42, 709M40, En19, En19C |
UNI | 41CrMo4, 38CrMo4 (KB), G40 CrMo4, 42CrMo4 |
JIS | SCM 440, SCM 440H, SNB 7, SCM 4M, SCM 4 |
EN name | 42CrMo4 |
EN # | 1.7223, 1.7225, 1.7227, 1.3563 |
ASTM A29/29M | C | Si | Mn | Cr | Mo | P | S |
4140 | 0.38~0.43 | 0.15~0.35 | 0.75~1.00 | 0.80~1.10 | 0.15~0.25 | ≤0.035 | ≤0.040 |
DIN WN-r | C | Si | Mn | Cr | Mo | P | S |
1.7225 | 0.38~0.45 | ≤0.40 | 0.60~0.90 | 0.90~1.20 | 0.15~0.30 | ≤0.035 | ≤0.035 |
GB/T | C | Si | Mn | Cr | Mo | P | S |
42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.80 | 0.90~1.20 | 0.15~0.25 | ≤0.030 | ≤0.030 |
BS | C | Si | Mn | Cr | Mo | P | S |
708M40 | 0.36~0.44 | 0.10~0.35 | 0.70~1.00 | 0.90~1.20 | 0.15~0.25 | ≤0.035 | ≤0.035 |
JIS | C | Si | Mn | Cr | Mo | P | S |
SCM440 | 0.38~0.43 | 0.15~0.35 | 0.60~0.85 | 0.90~1.20 | 0.15~0.30 | ≤0.030 | ≤0.030 |