alloy steel b16

Quick Details

• Steel Grade: ASTM A 193 B16 B6 B7 B7M(AISI 4140 4142 4145 4140H)
• Standard: AISI, ASTM, DIN, GB
• Dimensions: 12mm-300mm
• Place of Origin: Tianjin, China (Mainland)
• Brand Name: laigang brand
• Model Number: round bar
• Technique: Hot Rolled
• Application: Structural Steel Bar
• Alloy Or Not: Is Alloy
• Special Use: Mold Steel
• Type: Alloy Steel Bar
• steel round bar: alloy steel bar
• alloy bar: alloy round bar
• B7: B7M
• 4140: 42CrMo SCM440
• Bolt or stud nut: stud nut

Packaging & Delivery

Specifications

Grade:ASTM A 193 B16 B6 B7 B7M B8 
Dia:12mm-300mm 
Length:as customer's request 
Application:Bolt or stud nut 

Hot  rolled  steel  bar ASTM A 193 B16  B6  B7 B7M(AISI 4140 4142 4145 4140H)

For  Bolt  or stud nut

1.Grade:ASTM A 193  B16 B6 B7 B7M B8    

Dia:12mm-300mm

Length:as  customer's  request 

Application:Bolt  or  stud  nut

2.Chemical composition:Grade ASTM 193 B7 B7M 

C:0.37-0.49  Mn:0.65-1.10  P:Max 0.035  S:Max 0.040  Si:0.15-0.35 Cr:0.75-1.20   Mo:0.15-0.25

3. We  company  specialsied  in  kinds  of  steel  products  more  than  10years,especially  in  hot  rolled  steel  round  bars  and  forged  bars. 

4.Size Tolerance:

Length tolerance: +100mm/-0mm

Side length tolerance: +/-2mm

Straightness:Max 6mm/m

5.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 !