Product Specifications
| Prod Model: |
4140 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Type: |
Flat |
| Standard: |
BS |
| Special Use: |
Mold Steel |
| Application: |
Tool Steel Bar |
| Technique: |
Forged & Cold Drawn |
| Surface Treatment: |
Black&Bright&Polished |
| Composition: |
Alloy Bar |
| Steel Grade: |
4140 |
| Shape: |
Round, Flat |
Product Description
1. Available sizes:
Round: Dia. 10 -400mm
Flat: Thickness 5 -50mm, width 500 - 2200mm
Delivery condition: Hot rolled or forged, Peeled or black surface, annealed or QT.
2. Properties:
One of the chromium, molybdenum, manganese low alloy steels noted for toughness, good torsional strength and good fatigue strength
3. Applications:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
4. Heat Treatment:
Soft annealing: Heat to 680-720° C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 ° C
Normalizing temperature: 840-880° C
Tempering: 540-680° C
| GB | DIN | AISI | JIS |
| 42CrMo | 1.7225 | 4140 | SCM440 |
Chemical Composition
| C | Si | Mn | Cr | Mo | P | S |
| 0.38-0.43 | 0.40max | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | ≤0.035 | ≤0.035 |
Our company - Tianjin Oubaige Metal Products Co., Ltd is located in Tianjin, which offer customers the convenience of transportation by sea or by air. We mainly engaged in metal products processing, researching, selling, and providing the related services at the same time.
Our products can be divided into aluminum pipe/tube, aluminum sheet/plate/coils, aluminum profiles. These products are generally applied to bottle cap materials, packing, air-conditioner, refrigerator, telecommunication cable, household container/foil, as well as foundry industry, Building&Construction, military industry, automotive, packaging, etc.
We also run the import and export of steel products, based on the needs of customers at
Home and abroad to develop a variety of special steel products and timely delivery.
And low-priced products and professional services.
Our products have a very good sale in domestic and overseas markets. We wish to cooperate with you to create a bright future and mutual benefit. Much appreciation for your prompt attention in advance, we are eager to look forward to hearing from you soon.
