40Cr AISI5140 SCr440 41Cr4 1.7035 530A40 530M40 | ||
Chemical composition(%) | C | 0.48—0.53 |
Si | 0.15—0.35 | |
Mn | 0.75—1.00 | |
P | ≤ 0.035 | |
S | ≤ 0.035 | |
Ni | ≤ 0.25 | |
Cr | 0.80—1.10 | |
Mo | 0.15—0.25 | |
Cu | ≤ 0.35 | |
V | 0.012—0.030 | |
Tensile strength (N/mm2Mpa) | ≥980 | |
Elongation ( % ) | ≥9 | |
Yield strength | ≥785 | |
Hardness( HBS ) | ≤20 | |
Reduction of area | ≥45% | |
Delivery condition | EAF + LF + VD, Hot rolled/Forged, annealed, black/peeled/machined, UT tested | |
Application | Use for mould and hardware part, the fastening piece, machine elements, sleeve gear, extrusion dies and die-casting for aluminum | |
Our company is an international trading company and has been dedicated to the trade in steel industry for almost ten years. Our company is located in Laiwu which is one of the main origin of steel in China. We have strong cooperative relationships with many manufacturers, so we can supply you with high qualityand low-coat products.
We always adhere to the principle of supremacy of clients. Therefore, if you have any demands in steel, please no hesitation to contact us. We can provide steel products according to your needs.
Welcome to inquiry. We will serve you with our honesty and integrity.




