Specification Chemical Max Mechanical Mpa, min
  C
Max		 Mn
Max		 Si
Max		 S
Max		 P
Max		 Cr
Max		 Mo
Max		 Ni
Max		 Cu
Max		 Tensile Yield % EL Bend
                          50     GL   50 GL  
ASTM A 387                            
Gr 11 - CI 2 0.17 0.40
0.65		 0.50
0.80		 0.04 0.035 1.0
1.50		 0.45
0.65		 --- --- 515
690		 310 22 18 ---
Gr 12 - Cl 2 0.17 0.40
0.65		 0.15
0.40		 0.04 0.035 0.80
1.15		 0.45
0.60		 --- --- 450
585		 275 22 19 ---
Gr 5 - Cl 2 0.15 0.30
0.60		 0.50 0.035 0.035 4.0
6.0		 0.45
0.65		 --- --- 515
690		 310 18 --- ---
Gr 22 - Cl 2 0.15 0.30
0.60		 0.50 0.035 0.035 2.0
2.5		 0.90
1.10		 --- --- 515
690		 310 18 --- ---
ASTM A 204
Gr-B		 0.20 0.90 0.15
0.40		 0.04 0.035 --- 0.45
0.60		 --- --- 485
620		 275 21 17 2T
16 Mo3 0.12
0.20		 0.40
0.90		 0.35 0.025 0.030 0.30 0.25
0.35		 0.30 --- 440
590		 275 24 --- Impact :
+20C / 31J
ASTM A 588                            
Gr-A 0.19 0.80
1.25		 0.30
0.65		 0.05 0.04 0.40
0.65		 --- 0.40 0.25
0.40		 485 345 21 18 ---
Gr-B 0.20 0.75
1.35		 0.15
0.50		 0.05 0.04 0.40
0.70		 --- 0.50 0.20
0.40		 485 345 21 18 ---
ASME SA 302                            
Gr-A 0.20 0.95
1.3		 0.15
0.40		 0.035 0.035 --- 0.45
0.60		 --- --- 515
655		 310 19 --- ---
Gr-B 0.20 1.15
1.5		 0.15
0.40		 0.035 0.035 --- 0.45
0.60		 --- --- 550
690		 345 18 --- ---
Gr-C 0.20 1.15
1.5		 0.15
0.40		 0.035 0.035 --- 0.45
0.60		 0.40
0.70		 --- 550
690		 345 20 --- ---
Gr-D 0.20 1.15
1.5		 0.15
0.40		 0.035 0.035 --- 0.45
0.60		 0.70
1.0		 --- 550
690		 345 20 --- ---
Abrasion Resistance Steel 0.20 1.7 0.1
0.7		 .010 .025 0.80 1.00 --- --- 1250 1000 10 Hardness
360-440 BHN		 Impact :
-20C / 20J
Corrosion Resistance Steel 0.10 0.25
0.45		 0.28
0.72		 0.045 0.075
0.115		 0.30
0.39		 --- 0.28
0.49		 0.30
0.39		 490 350 22 --- 1T