Black Surface Special Tool Steel 1.7225 SAE4140 SCM440
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.
Our service:
1) Sizes, materials and others are all at your requirements and can
be changed;
2) Price varies on materials, dimensions, finish craft and
different payments;
3) We are direct manufacture in machinery manufacturing work with
experience of several decades;
4) Detail production design will be made according to information
you offered;
5) We have adequate inventory, so that we can quick delivery;
6) The most important is that we have advanced equipment.
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: Delivery time?
A: We have ready stock for most of material grades in our
warehouse. If the material don't have stock, the delivery lead time
is about 30-50 days after receiving your prepayment or firm order.
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
