S355J2WP steel qib yog cov khoom kub dov ntawm cov qauv hlau hauv cov txheej txheem xa khoom nrog kev txhim kho atmospheric corrosion kuj.Lub ntsiab alloying yog chromium nickel thiab tooj liab nrog ntxiv phosphorous uas muab nws zoo heev tiv thaiv tus kheej zoo. Raws li cov hlau reacts nrog cov ntsiab lus nyob rau hauv cov huab cua, cov khoom tsim ib txheej ntawm xeb nyob rau hauv lub sij hawm uas nyob rau hauv essence tiv thaiv cov hlau los ntawm corrosion.
Tshuaj muaj pes tsawg leeg % ntawm cov khoom tsom xam ntawm qib S355J2WP
|
C |
Si |
Mn |
Cu |
P |
S |
Cr |
N |
|
0.15 |
0.80 |
1.10 |
0.20-0.60 |
0.05-0.16 |
0.035 |
0.25-1.35 |
0.010 |
Mechanical zog ntawm qib S355J2WP
|
Kub |
-20 |
-10 |
0 |
20 |
|
Notch Impact Test. Min. absorbed zog J |
27 |
|
Nominal thickness (hli) |
rau 16 |
16 - 40 |
40 - 63 |
63 - 80 |
80 - 100 |
100 - 150 |
|
ReH - Yam tsawg kawg nkaus tawm lub zog (MPa) |
355 |
345 |
|
Nominal thickness (hli) |
rau 3 |
3 - 100 |
100-150 |
|
Rm -Tensile zog (MPa) |
510-680 |
470-630 |
|
Nominal thickness (hli) |
Ntau dua lossis sib npaug li 1.5＜2 |
Ntau dua lossis sib npaug rau 2﹤2.5 |
Ntau dua lossis sib npaug li 2.5＜3 |
Ntau dua lossis sib npaug rau 3 ~ 40 |
Ntau dua lossis sib npaug rau 40﹤63 |
Ntau dua lossis sib npaug rau 6﹤100 |
Ntau tshaj los yog sib npaug rau 100﹤150 |
|
A - Yam tsawg kawg elongation Lo=5,65 √ Li ntawd (%) Longitudinal |
16 |
17 |
18 |
22 |
