PDF Steel grades according to American standards - A36, A572 ...
[Pages:1]Steel grades according to American standards - A36, A572, A588, A709, A913, A992
Mechanical properties
Yield strength Re
Tensile strength Rm
Ratio Re / Rm
Minimum elongation
Notch impact test
Standards
Grades
MPa [ksi]
MPa [ksi]
A36 - 04b A36
A572 - 04
Grade 42 Grade 50 Grade 55 Grade 60 Grade 65
A588 - 04 Grade B Grade C
A709 - 04a
Grade 36 Grade 50 Grade 50S
A913 - 04 Grade 50 Grade 65
A992 - 04a A992
250 [36]
290 [42] 345 [50] 380 [55] 415 [60] 450 [65]
345 [50] 345 [50]
250 [36] 345 [50] 345-450 [50-65]
345 [50] 450 [65]
345-450 [50-65]
Chemical composition
400-550 [58-80]
415 [60] 450 [65] 485 [70] 520 [75] 550 [80]
485 [70] 485 [70]
400-550 [58-80] 450 [65] 450 [65]
450 [65] 550 [80]
450 [65]
min. 200 mm min. 50 mm
[8 in.]
[2 in.]
ASTM A673, standard position longitudinal flange
0.85 0.85
0.85
%%
Temperature
Energy average
oC (?F)
J [ft-lbf]
20
21
20
24
18
21
17
20
16
18
15
17
18
21
18
21
20
21
18
21
18
21
18
21
15
17
21 [70] 21 [70]
54 [40] 54 [40]
18
21
Ladle analysis
Standards
Grades
C max.
Mn S max. P max.
Si
Cu
Ni
Cr
Mo max. Nb max.
V
CE max.
Other
%
%
%
%
%
%
%
%
%
%
%
%
elements
A36 - 04b A36
A572 - 04
Grade 42 Grade 50 Grade 55 Grade 60 Grade 65
A588 - 04 Grade B Grade C
A709 - 04a Grade 36 Grade 50 Grade 50S
A913 - 04 Grade 50 Grade 65
A992 - 04a A992
0.26
0.05 0.04 0.40
0.21 1.35 0.05 0.04 0.40 0.23 1.35 0.05 0.04 0.40 0.25 1.35 0.05 0.04 0.40 0.26 1.35 0.05 0.04 0.40 0.23 1.65 0.05 0.04 0.40
0.20 0.75-1.3 0.05 0.15 0.80-1.35 0.05
0.04 0.15-0.50 0.20-0.40 0.5 0.40-0.70 0.04 0.15-0.40 0.20-0.50 0.25-0.50 0.30-0.50
0.01-0.10 0.01-0.10
0.26
0.05 0.04 0.40
0.23 1.35 0.05 0.04 0.40
0.23 0.50-1.50 0.045 0.035 0.40 0.60 0.45 0.35 0.15
0.05 0.11 0.45
0.12 1.60 0.030 0.040 0.40 0.45 0.25 0.25 0.07 0.16 1.60 0.030 0.030 0.40 0.35 0.25 0.25 0.07
0.05 0.06 0.38 0.05 0.06 0.43
0.23 0.50-1.50 0.045 0.035 0.40 0.60 0.45 0.35 0.15 0.05 0.15 0.45
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