Quick Details

• Steel Grade: AISI 4340 40CrNiMoA 40NiCrMo22
• Standard: AISI, ASTM, BS, DIN, GB, JIS
• Dimensions: 12-200mm
• Place of Origin: Shandong, China (Mainland)
• Brand Name: Laigang,Juneng
• Technique: Hot Rolled
• Application: Structural Steel Bar, Coupling, Axles, Spindles, Gears, Shafts,Pin,etc
• Alloy Or Not: Is Alloy
• Special Use: Mold Steel
• Type: Alloy Steel Bar
• Bar Finish: Hot rolled, Turned and Polished, Peeled,forged,cold drawn

Packaging & Delivery

Specifications

1.Grade: EN24 AISI 4340 40CrNiMoA 40NiCrMo22 SNCM439 
2.Dia:10-200mm 
3.MOQ:100tons 
4.Hot rolled/cold-drawn/forged 

EN24Steel Round Bar 

1.Grade:EN24 AISI 4340 40CrNiMoA 40NiCrMo22 SNCM439
2.Dia:10-200mm
3.MOQ:100tons
4.Hot rolled/cold-drawn/forged

Related Specification

Germany: 40NiCrMo6 W.Nr 1.6565

Great Britain:EN24 BS 970-1955

USD: AISI 4340

          SAE4340

          ASTM4340

          UNS G43400

Japan:SNCM439  JISG 4103

             SNCM8 JIS 4103

Chemical Composition(40CrNiMoA Equivalent Grade of E24)

Physical Property

Size Tolerance

Length tolerance: +100mm/-0mm

Side length tolerance: +/-2mm

Straightness: max 6mm/m

Quality Condition
Both end of each bar must be cut.

Ladle furnaced and vacuum de-gassed

Show Heat No. on each bar

Surface condition: The surface of the bar shall be free cracks, scar and wrinkles at affect the use of the billets. In case there is the above-mentioned defect.it shall be removed.

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 !