Material:

Q235B (ASTM A283/A283M-03 Grade D; JIS G3101-2004 SS400)

Q345B (ASTM A572/A572M-04 Grade 50)

Specification:  

1.0/1.5*1000*C, 1.5*1250/1500*C

2.90*1250/1500*C, 3.75*1250/1500*C

4.50*1250/1500*C, 4.75*1250/1500*C

5.00*1250/1500*C, 5.25*1250/1500*C

5.50*1250/1500*C, 5.75*1250/1500*C

6.00*12501500*C, 7.25*1250/1500*C

7.50*1250/1500*C, 7.75*1250/1500*C