SHANGHAI UNITE STEEL
One-stop Brand Service Provider For Globle Machinery And Petrochemical Enterprise And Special Steel Distributor.
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4140/42CrMo4/SCM440 forged steel shaft for mechnical purpose, OD: 80-1200mm
Application: Oil exploration, automobiles, machinery, etc
| Service | Drawings or samples processing/OEM/ODM service provided |
| Produce Process | Drawings→ mould making → pre-forging →rough machining or finish machining →surface treatment →product checking → packing →delivery |
| Forging Material | Carbon Steel, Alloy steel,Stainless steel |
| Standard | ISO, GB, ASTM, DIN, JIS |
| Produce Equipment | Friction Screw Press Series, CNC Lathe, Machining Center (Vertical Spindles), CNC Milling Machine, Bench Drilling Machine, Heat Treatment Equipments and so on. |
| Surface treatment | Heat treatment, Polishing, shot blasting, Painting, Electro-plating, Chemical Plating, |
| Inspection Equipments | Metallurgical analysis, Tensile strength tester, Hardness tester, Altimeter, Scale Micrometer, pressure tester, etc. |
| Delivery | Samples are sent by express Large quantity products delivered to customer by sea or according to your request |
Chemical requirements:
| Grade | C | Si | Mn | P | S | Cr | Mo | Cu |
| 4140 | 0.38~0.43 | 0.15~0.35 | 0.75~1.00 | ≤0.035 | ≤0.040 | 0.80~1.10 | 0.15~0.25 | / |
| SCM440 | 0.38~0.43 | 0.15~0.35 | 0.60~0.85 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.90~1.20 | ≤0.30 |
| 42CrMo4 | 0.38~0.45 | ≤0.40 | 0.60~0.90 | ≤0.035 | ≤0.035 | 0.90~1.20 | 0.15~0.30 | / |
| 42CrMo | 0.38~0.45 | 0.17~0.37 | 0.50~0.80 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.15~0.25 | / |
Package
In bundle or as your request.
Our Services
Third Party inspection acceptable. such as SGS, BV etc.
Supplying financial support with usance L/C 180 days after B/L date.
Please feel free to contact us again if you have any further questions. We look forward to receiving an order from you.