Main Products: screw thread steel bar ,steel wire ,ETP sheet ,galvanized steel wire ,galvanized wire
steel specification 40Cr 5140 41Cr4
Negotiable /Ton
Min.Order:1 Ton
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Tianjin Guotai Qiancheng Iron & Steel Co., Ltd.
Business Type: Trading Company
Tianjin ChinaMain Products: screw thread steel bar ,steel wire ,ETP sheet ,galvanized steel wire ,galvanized wireProduct Details
| Packaging Details: | standard seaworthy |
|---|---|
| Delivery Detail: | within 30 days |
40Cr steel specifications
We are offering a wide range of sizes from 20mm to 500mm bar 40Cr that is extensively used as components in many machines and equipments. Available in varied sizes, these bars are widely appreciated for their quality and dimensional accuracy attributes. These are available at industry leading prices and can also be customized as per requirements of our clients.
Specifications are as following:
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 | |
1. Dimension Range
Hot-rolled: 20mm-300mm
Cold-drawn: 20mm-50mm
Forged: 250mm-300mm
2. Dimensional toleance
Hot-rolled steel round or square bar:
d/a(mm) | 5.5-7 | 7-20 | 20-30 | 30-50 | 50-80 | 80-110 | 110-150 | 150-190 | 190-250 |
(mm) | +0.30 -0.30 | +0.35 -0.35 | +0.40 -0.40 | +0.50 -0.50 | +0.70 -0.70 | +1.0 -1.0 | +1.3 -1.3 | +2.0 -2.0 | +2.5 -2.5 |
Hot-rolled flat bar:
Width(mm) | Thickness(mm) | ||||
Size | Size tolerance | Size | Size tolerance | ||
| Normal | Better |
| Normal | Better |
10-50 | +0.5, -1.0 | +0.3, -0.9 | 3-16 | +0.3, -0.5 | +0.2, -0.4 |
50-75 | +0.6, -1.3 | +0.4, -1.2 | 16-60 | +1.5% -3.0% | +1.0% -2.5% |
75-100 | +0.9, -1.8 | +0.7, -1.7 | |||
100-150 | +1.0%, -2.0% | +0.8%, -1.8% | |||
Cold-drawn bar:
Shape | Round bar | Square bar | Hexagon bar |
Grade | 8,9,10,11,12 | 10,11,12,13 | l0,11,12,13 |
Production Flow Chart:
Tianjin Guotai Qiancheng Iron & Steel Co., Ltd., based in the largest steel trading market in China, Tianjin, as a direct agent of Tiantie Zhaer Steel which is one of the largest steel manufacturers in China specializes in the export of Screw-thread steel bars for the prestressing of concrete ,anchorages and PC stranded steel wire including HRB500, PSB500, PSB785, PSB830, PSB930, PSB1080 of 15mm, 16mm, 18mm 20mm, 22mm, 25mm, 28mm, 32mm, 36mm, 40mm, 50mm, 75mm and other specifications, Left hand screw thread steel bars, Right hand screw thread steel bars and Deformed steel bars of HRB500E, HRB500 , HRB400E , HRB335 grades. Besides, we also supply construction and building use steel products including Stainless steel pipes,sheets and coil, Aluminum ingots and billets, Steel angle bars, I beam, H beam, T beam, PPGI and other steel products from major steel mills in China.
Adhering to the integrity of management and customer first concept, we will continue providing high quality products to customers with good service.
Contact : Mr. Tom
FAX : 0086-022-26802018
QQ : 809137356
website : www.guotaiqiancheng.en.china.cn
We warmly welcome kind inquiries and visit from customers from all over the world for mutual benefit and bright future !
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