Otai Special Steel
NO.1 Supplier of 4140/42CrMo4 Plate
42CrMo4 / 4140 Alloy Steel is a common chromium-molybdenum steel that usually used after quenched and tempered, with high intensity, high hardenability. The 42CrMo4 / 4140 steel plate also has high fatigue strength and good low-temperature impact toughness.
Otai has great advantage on 4140/42CrMo4 plate:
- 10000+ tons daily stock of 42CrMo4 / 4140 steel plate or flat bar.
- Hot rolled / annealed / QT condition available.
- Thickness 4-300mm available for 1-3 days shipment.
- Thickness 1-10mm cold rolled sheet for 30 days lead time.
- Cut to width & cut to length service available.
- Machined to finished pieces service available.
Our Customers
Chemical Composition
42CrMo4/1.7225 | C | Mn | Si | P | S | Cr | Mo |
0.38-0.45 | 0.60-0.90 | 0.40 max | 0.035 max | 0.035 max | 0.90-1.20 | 0.15-0.30 |
Certificate & SGS Report