4140 astm a29 a29m 04 steel round bar

Quick Details

• Steel Grade: 42CrMo SCM440 42CrMo4 1.7225 SAE4140 708M40 42CD4 709M40 EN19
• Standard: AISI, ASTM, BS, DIN, GB, JIS
• Dimensions: 10-300mm
• Place of Origin: Tianjin, China (Mainland)
• Brand Name: Shandong Brand
• Model Number: 4140 steel round bar
• Technique: Hot Rolled
• Application: Structural Steel Bar
• Alloy Or Not: Is Alloy
• Special Use: Mold Steel
• Type: Alloy Steel Bar

Packaging & Delivery

Specifications

4140 astm a29 a29m 04 steel round bar 
1. Grade: 4140 1.7225 SCM440 42CrMo 
2. Size: 10-300mm 
3. Hot rolled, cold drawn, forged 

4140 astm a29 a29m 04 steel round bar

1. AmericaStandard: AISI4140

   International Standard: 42CrMo4

  JapanStandard: SCM440

  GermanyStandard: 42CrMo4

2. Chemical composition and technical requirement

3. Size condition:

Length tolerance: +100mm/-0mm

Side length tolerance: +/-2mm

Straightness: max 6mm/m

4. Quality cndition:

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 !