logo
Send Message
Home News

FAQ: what is the difference between Q345A, Q345B,Q345C,Q345D?

Certification
China Cangzhou High Booming Pipe Equipments Co.,Ltd certification
China Cangzhou High Booming Pipe Equipments Co.,Ltd certification
I'm Online Chat Now
Company News
FAQ: what is the difference between Q345A, Q345B,Q345C,Q345D?
Question: what is the difference between Q345A, Q345B,Q345C,Q345D?
 
Answer: Their differences can be found in mechanical properties and chemical composition. 
 
Mechanical Properties:
Steel
W.T(mm)
Elongation≥(%)
Yield (MPa≥)
Temperature℃
Q345A
≤16
21
345
/
Q345B
≤16
21
345
20
Q345C
16-35
22
325
0
Q345D
≤16
21
345
-20℃
16—40
21
335
-20℃

 

Chemical Composition:
Steel
C
Si
Mn
P
S
Q345A
≤0.20
≤0.55
1.00-1.60
≤0.045
≤0.045
Q345B
≤0.20
≤0.55
1.00-1.60
≤0.040
≤0.040
Q345C
≤0.20
≤0.55
1.00-1.60
≤0.035
≤0.035
Q345D
≤0.18
≤0.50
≤1.70
≤0.030
≤0.025

customer usually choose the steel materials as per the exact application such as buidling, construction, machinery, airport, oil and gas transmission, electricity etc. And price is different. 

 
Pub Time : 2015-03-17 09:19:38 >> News list
Contact Details
Cangzhou High Booming Pipe Equipments Co.,Ltd

Contact Person: Ms. Melody C.

Tel: +8619331795953

Send your inquiry directly to us (0 / 3000)