Mechanical Characteristics |
Chemical composition (% max) |
|||||||
|---|---|---|---|---|---|---|---|---|
Steel grade |
Min. yield strength |
Min. tensile strength |
Min. elongation |
C |
Si |
Mn |
P |
S |
European Standard EN 10248-1996 |
||||||||
S 240 GP |
240 |
340 |
26 |
0.25 |
/ |
/ |
0.055 |
0.055 |
S 270 GP |
270 |
410 |
24 |
0.27 |
/ |
/ |
0.055 |
0.055 |
S 320 GP |
320 |
440 |
23 |
0.27 |
0.6 |
1.7 |
0.055 |
0.055 |
S 355 GP |
355 |
480 |
22 |
0.27 |
0.6 |
1.7 |
0.055 |
0.055 |
S 390 GP |
390 |
490 |
20 |
0.27 |
0.6 |
1.7 |
0.05 |
0.05 |
S 430 GP |
430 |
510 |
19 |
0.27 |
0.6 |
1.7 |
0.05 |
0.05 |
American Standard ASTM A572 |
||||||||
A 36 |
250 |
400 |
21 |
0.23 |
0.4 |
1.5 |
0.035 |
0.045 |
A 328 |
270 |
485 |
20 |
0.2 |
/ |
/ |
0.035 |
/ |
Grade 42 |
290 |
415 |
24 |
0.21 |
1.4 |
1.35 |
0.04 |
0.05 |
Grade 50 |
345 |
450 |
21 |
0.23 |
0.4 |
1.35 |
0.04 |
0.05 |
Grade 55 |
380 |
485 |
20 |
0.25 |
0.4 |
1.35 |
0.04 |
0.05 |
Grade 60 |
415 |
520 |
18 |
0.26 |
0.4 |
1.35 |
0.04 |
0.05 |
Grade 65 |
450 |
550 |
17 |
0.23 |
0.4 |
1.65 |
0.04 |
0.05 |
A 588 |
345 |
485 |
21 |
0.19 |
0.3 |
0.8 |
0.04 |
0.05 |
A 690 |
345 |
485 |
21 |
0.22 |
0.4 |
0.6 |
0.08 |
0.04 |
Japanese Standard JIS A 5523-2006/JIS A 5528-2006 |
||||||||
SY 295 |
295 |
490 |
17 |
/ |
/ |
/ |
0.04 |
0.04 |
SY 390 |
390 |
540 |
15 |
/ |
/ |
/ |
0.04 |
0.04 |
SYW 295 |
295 |
490 |
17 |
0.18 |
0.55 |
1.5 |
0.04 |
0.04 |
SYW 390 |
390 |
540 |
15 |
0.18 |
0.55 |
1.5 |
0.04 |
0.04 |
Chinese Standard GB/T 20933-2014 |
||||||||
Q295P |
295 |
390-570 |
23 |
0.16 |
0.5 |
1.5 |
0.035 |
0.035 |
Q345P |
345 |
480-630 |
22 |
0.20 |
0.5 |
1.7 |
0.035 |
0.035 |
Q390P |
390 |
490-650 |
20 |
0.20 |
0.5 |
1.7 |
0.035 |
0.035 |
Q420P |
420 |
520-680 |
19 |
0.20 |
0.5 |
1.7 |
0.035 |
0.035 |
Q460P |
460 |
550-720 |
17 |
0.20 |
0.6 |
1.8 |
0.030 |
0.030 |
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