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Help Center4140 /1.7225 Structural Steel
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1.Chemical composition
Standard |
Steel Grade |
C |
Si |
Mn |
|
p |
s |
Cr |
Mo |
other |
ASTM |
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 | - |
|
DIN |
1.7225 |
0.38-0.45 |
≤0.40 |
0.60-0.90 | 0.035 | 0.035 | 0.90-1.20 | 0.15-0.30 | - |
|
| GB | 42CrMo4 |
0.38-0.45 |
0.17-0.37 |
0.50-0.80 |
|
0.035 |
0.035 |
0.90-1.20 |
0.15-0.25 |
Ni ≤0.30 |
2.loading of products
3.Free sample
If the sample you need we have in our factory ,we can provide it for you
4.Our company view
Wuhan Sanzhao Mould Steel Co., Ltd.
The company is consist of two subsidiary companies, specialized in manufacturing mould steels in Huangshi, where is famous for producing mould steel in the world.
Melting plant is Daye Weifeng Mining Technology Co.,Ltd, which is belong to Sanzhao’s biggest owner Mr. Liang, our chairman, who also the Vice-chairman of Huangshi Mould Steel Association. The plant possess steel making equipments : 3 set of electric furnace, 5 set of electro slag furnace and one set of VIDP specialized in producing high alloy steels. Auxiliary processing devices include annealing furnace, electric band saws, turning-lathes and milling machines . An advanced physics and chemical test methods, equipped with test facilities like spectrometer, standard chemical analysis lab, hardness meter, metallographic detection and ultrasonic testing to control good quality for customers. An advanced technical and management team with its members originally working and studying for large companies like Daye Special Steel Co.,Ltd. which is the base of Chinese special steel. They all have rich experience to operate all equipment from steelmaking to machines processing. The mill has formed a production capacity of heavy section steels 12000 tons each year for home and abroad ,including flats and round bars made from alloy steel, die steel, bearing steel and stainless steel.
Another is forging plant, Huangshi Sanli Forging Co.,Ltd., the partner of Sanzhao and also have 30% share belong to Mr. Liang. There is a 4500NK capacity hydraulic hammer to forging 10 tons of steel ingot, which is the biggest forging machine in Huangshi. The advanced auxiliary process devices are continuous heating furnace, bottom heating furnace, chamber furnace, annealing furnaces and finishing facilities like electric grinding wheel peeling machines and electric band saws.
Wuhan Office Introduction
Equipment:
6.The process of making steel
MTC OF 4140
MTC OF 1.2344
8.Certificate of our factory :
If you are interested in our products pls contact me as follow:
Contact person:Lavender Luo
after receiving your inquiry i will reply you as soon as possible!
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