Guangzhou Changfeng Steel Co., LTD
The Customer Satisfaction Is The Soul Of Enterprise.
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SCM440 SAE4140 Durable Forged Special Tool Steel
Chemical composition(%):
| C | Si | Mn | Cr | P | S | Mo |
| 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | ≤0.035 | ≤0.035 | 0.15-0.25 |
Equivalent grades:
| GB(China) | DIN(German) | AISI(USA) | JIS(Japan) |
| 42CrMo | 1.7225 | SAE4140 | SCM440 |
Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 10-200 | 155-2200 | 2000-6000 | 20-150 | 3000-6000 |
Recommend heat treatment:
| Quenching | Tempering | |||||
| Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC | Cooling way | Hardness (HRC) | |
| 850-880 | Oil Cooling | 50-52 | 450-650 | Air cooling | ≥48 | |
Feature:
1. Good strength, hardenability and toughness.
2. High creep strength and long lasting strength under the high temperature.
Appliation:
Production load large, complex shape and valuable tool (e.g, scraper, gear, milling cutter, drilling, tapping, etc.)Cold forging die, forging tools;Strip cutting machine, heading forming die.
Ready stock : round bar dia 3-130mm
Delivery time:
For abundant stock, 15-20 days.
For customized products, 30-50 days.
FAQ:
Q: Are you a manufacturer or merely a trader?
A: We are trading company act as exporting Steel Products with our own factory,
we can manufacture the products as in cutomer's requirement,wholesale and retail all kinds of domestic mould steel,the price we offered is very competitive compared with other agents.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as SGS, CE,ISO if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival. Third,the products we export are mainly from ShaGang group, WenFeng group, XingCheng group, DongTe group,DaYe and so on, the quality are certained.
Q: What is the payment term?
A:100% T/T or 30%T/T deposite prepaid, 70%Balance L/C
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Our service
We provide quality special steel for all industries.
Orders of any size, any length, ship fast
We carry a unique inventory of specialty special steel
Provide related value-adding services :
metal cutting, sizing, machining (blanking, milling, grinding), and heat treatment.
Sawing for small or large quantities, sawing-to-size.
Excellent customer service
Warehous
Processing
Strict Quality Control