S355K2W steel phaj yog ib qho kev txhim kho atmospheric corrosion-resistant steel. Cov khoom siv S355K2W yog 1.8967. Lub V-zoo li qhov ntsuas kub ntawm S355K2W steel yog -20 degrees, thiab qhov tsawg kawg nkaus lub zog yog 27J. Txhim kho atmospheric corrosion-resistant steel hais txog huab cua-resistant steel los yog atmospheric corrosion-resistant steel.
S355K2W steel phaj, "S" qhia tias qib S355K2W tuaj yeem siv rau hauv steel qauv engineering, thiab 355 yog qhov tsawg kawg nkaus yield zog. Cov qauv J0, J2, thiab K2 yog qhov cuam tshuam thiab lub zog ntawm -20 degree . "W" qhia qhov sib txawv ntawm cov pa roj carbon thiab phosphorus cov ntsiab lus thiab kev siv.
EN 10025-5 S355K2W Weather Resistant Steel Phaj Chemical Composition thiab Mechanical Property:
|
C max |
Si max |
Mn | P |
S max |
N max |
Ntxiv ntawm Nitrogen combining ntsiab | Cr | Cu |
|
0.16 |
0.50 |
0.50-1.50 | 0.030 |
0.030 |
- |
yog | 0.40-0.80 | 0.25-0.55 |
|
Qib |
Mechanical Property |
|
|||
|
Tensile zog (MPa) |
Yield zog (MPa) |
% Elongation hauv 2 nti (50mm) min |
Impacting Test Temperature (degree) |
|
|
|
EN 10025-5 S355K2W |
510-680 |
355 |
16 |
-20 |
