S355K2W steel plate is a kind of improved atmospheric corrosion resistance steel.S355K2W material Number is 1.8967.S355K2W steel V shaped impact test temperature is at -20 degree and min energy is 27J.Improved atmospheric corrosion resistance steel means weathering steel or atmosphere corrosion resistance steel.
S355K2W steel plate,"S" means S355K2W grade could be used in structural steel projects, 355 is the min yield strength. J0, J2 and K2 standard for the impact degree and energy in -20 temperature.W" means that the mainly different in their carbon and phosphorus contents and availability.
Chemical composition % of the Product analysis of grade S355K2W
|
C |
Si |
Mn |
Cu |
P |
S |
Cr |
N |
|
0.19 |
0.55 |
0.45-1.60 |
0.20-0.60 |
0.035 |
0.035 |
0.35-0.85 |
0.010 |
Mechanical properties of grade S355K2W
|
Temperature |
-20 |
-10 |
0 |
20 |
|
Notch impact test. Min. absorbed energy J |
40 |
|
|
|
|
Nominal thickness (mm) |
to 16 |
16 - 40 |
40 - 63 |
63 - 80 |
80 - 100 |
100 - 150 |
|
ReH - Minimum yield strength (MPa) |
355 |
345 |
335 |
325 |
315 |
295 |
|
Nominal thickness (mm) |
to 3 |
3 - 100 |
100-150 |
|
Rm -Tensile strength (MPa) |
510-680 |
470-630 |
450-600 |
|
Nominal thickness (mm) |
≥1.5＜2 |
≥2﹤2.5 |
≥2.5＜3 |
≥3＜40 |
≥40﹤63 |
≥6﹤100 |
≥100﹤150 |
|
A - Minimum elongation Lo = 5,65 √ So (%) Longitudinal |
16 |
17 |
18 |
22 |
21 |
20 |
18 |
