Quick Details
- Steel Grade: SCM440 4140 42CrMo 1.7225 42CrMo4 B16
- Standard: AISI, ASTM, DIN, JIS
- Dimensions: 12mm-300mm
- Place of Origin: Shandong, China (Mainland)
- Brand Name: laiwu
- Model Number: round bar/Hex bar
- Technique: hot rolled or cold drawn
- Application: Structural Steel Bar
- Alloy Or Not: Is Alloy
- Special Use: Mold Steel
- Type: Alloy Steel Bar
- shape: Hex or round bar
- 4140 42CrMo4: 1.7225 alloy round bar
- cold drawn Hex bar: steel round bar
- hot rolled steel bar: steel bar
- surface: black or bright
Packaging & Delivery
| Packaging Details: | as customer's request |
|---|---|
| Delivery Detail: | within 30days after confirmation |
Specifications
Grade: ASTM A193 B16 B7 B
Mark: Cr-Mo-V
Size: 12mm-300mm
Application:automobile
Hot rolled steel bar B16 B6 B7 B7M(AISI 4140 4142 4145 4140H)
Grade: ASTM A193 B16 B7 B
Mark: Cr-Mo-V
Size: 12mm-300mm
Application:automobile
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 |
Type: Ferrite steel
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 |
Size Tolerance:
Length tolerance: +100mm/-0mm
Side length tolerance: +/-2mm
Straightness: Max 6mm/m
Quality Contation
Both end of each bar must be cut.
Ladle furnanced and vacuum de-gassed
Show heat No. on each bar
Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.
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 !