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   Home > Products > Round bar 
Round bar
 
 Product Description  
   

Round bar

 

 Material: Q195; Q235; A36; SS400; ST37; SAE1006/1008; S275JR; 20#; 45#; Q345,S355JR; 16Mn; ST52;

                42CrMo; 40CrNiMo etc.

 

Diameter:   6mm--300mm(Hot rolled round bar)
                     80mm--600mm(Forged round bar)
 

 Length:3-12mm

products description

 

Name

Grade

(mm)Diameter

Standard

Application

Status on Delivery

Remarks

High Quality Carbon Structure Steel

45

14-50

GB/T699-1999

GB/T702-2008

Mainly utilized in the cold, hot cutting process for shaft products, as well as in the construction engineering structure.

Hot Rolled

 

50

55

Common Carbon Structure Steel

Q195

10-45

GB/T700 –2006

Construction and Machine Manufacture

Q215

Q235

 

 

 Chemical composition

 

Grade

Chemical Contents %

C

Si

Mn

P

S

45

0.42~0.50

0.17~0.37

0.50~0.80

≤0.035

≤0.035

50

0.47~0.55

0.17~0.37

0.50~0.80

≤0.035

≤0.035

55

0.52~0.60

0.17~0.37

0.50~0.80

≤0.035

≤0.035

 

 

 

   
   
 
 
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