Material:

Q235B is similiar to ASTM A283/A283M-03 Grade D

                         or  JIS G3101-2004 SS400

                         or  EN 10025/2-2004 S235JR or S235JO or S235J2

SS400 is similar to Q235B,

Q345B is similiar to ASTM A572/A572M-04 Grade 50(345)

                         or  JIS G3135-1986  SPFC 590

            or  EN 10025/2-2004 E335 or S335JR or S335JO or S335JZ or S335KZ or S335NL

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

8.0*1250/1500*C

9.25/9.50/9.75/11.25/11.50/11.75*1500*C

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