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4340 40CrNiMoA 40NiCrMo22 871M40 Alloy Steel Bar
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Product Details
| Steel Grade | Alloy Steel | Standard | AISI, ASTM, BS, DIN, GB, JIS | |
| Dimensions | 13-300mm | Place of Origin | Tianjin, China | |
| Brand Name | Shandong | Model Number | round bar | |
| Technique | Hot Rolled | Application | Structural Steel Bar | |
| Alloy Or Not | Is Alloy | Special Use | Mold Steel | |
| Type | Alloy Steel Bar |
Product Description
Quick Details
- Steel Grade: 4340 40CrNiMoA 40NiCrMo22 871M40
- Standard: ASTM, BS, DIN, GB, JIS
- Dimensions: 13-300mm
- Place of Origin: Tianjin, China (Mainland)
- Brand Name: Shandong
- Model Number: round bar
- Technique: Hot Rolled
- Application: Structural Steel Bar
- Alloy Or Not: Is Alloy
- Special Use: Mold Steel
- Type: Alloy Steel Bar
Packaging & Delivery
| Packaging Details: | general package |
|---|---|
| Delivery Detail: | within 30days |
Specifications
4340 alloy steel bar
1.goods in stock
2.Mark: Cr-Mo-V
3.Size: 12mm-300mm
4.Application:automobile
4340 40CrNiMoA 40NiCrMo22 871M40 alloy steel bar
Grade: ASTM A193 B16 B7 B
Mark: Cr-Mo-V
Size: 12mm-300mm
Application:automobile
1.Chemical composition:
| C | Mn | P | S | Si | Cr | Mo | V | Al |
Chemical composition | 0.36 0.47 | 0.45 0.70 | Max 0.035 | Max 0.040 | 0.15 0.35 | 0.80 1.15 | 0.50 0.65 | 0.25 0.35 | Max 0.015 |
tolerance | +-0.02 | +-0.03 | +-0.005 | +-0.005 | +-0.02 | +-0.05 | +-0.03 | +-0.03 |
|
2.Type: Ferrite steel
3.Shapes and Dimensions:
Nominal Size(mm) | Cross Section Size(mm) | Length (mm) | Straightness (mm/m) | Corner Angle | Corner Radius (mm) | Ground Roughness Rt(max) |
125-130RCS | 125-130 (+3, -5) | 2800-3000 | Max. 5 | 90°+-2° | 10-25 | 100um |
4. Size tolerance:
Generally speaking, we can provide
Hot-rolled steel bar: diameter/side length: 16mm-300mm
Forged bar: diameter/side length: 150mm-800mm
Cold-drawn steel bar: diameter/side length:≤50mm
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% | |||
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 !
Contact Us
- Tianjin Guotai Qiancheng Iron & Steel Co., Ltd.
- Contact nameRobinson Lee Chat Now
- Phone86-022-84612322
- Address216, Zone A, Jinchen Steel Market, Beicang Road
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