hect steel s275J {1}}} cov qauv hlau nqaj hlau
S275J 0 hect steel nqaj yog cov qauv hlau sib txuas tau siv ntau hom kev tsim kho thiab kev tsim kho vaj engineering. Nws zwm rau S275 series, cov pa roj carbon manganese steel haum rau cov hom phiaj txheej txheem. Qhov "j {{0" qhia tau tias cov khoom siv tau sim ntsuas kub ntawm {{4} degree.
S275J {{{1} hect hlau yog ib feem ntawm S275 series, uas suav nrog lwm cov sib txawv xws li S275JR, S275JT2 thiab S275Jo. Txhua tus hloov pauv tau ntsuas qhov sib txawv ntsuas kub thiab qhov sib txawv me ntsis tshuaj muaj pes tsawg leeg.
S275J {{1} hect} hecthaum nqaj nqaj ntawm gnee ua raws li European cov qauv en {2}}}, uas qhia cov khoom lag luam kub ntawm cov qauv txheem. Peb muab daim ntawv pov thawj zeb xeem raws li en 10204 kom ntseeg tau tias cov khoom raws li cov qauv tshwj xeeb.
Tshuaj Ntsuam Xyuas Tshuaj - Ntau Tshaj Plaws:
| C | Si | Mn | P | S |
|---|---|---|---|---|
|
0.21 |
– |
1.5 |
0.035 |
0.035 |
Cov kws tshawb xyuas tshuab - Qhov tsawg kawg nkaus:
| Paib lub zog | |
|---|---|
|
Cov Khoom Thickness |
MPa |
|
Tsawg dua los yog sib luag rau 16 |
275 |
|
>16 tsawg dua los yog sib npaug rau 40 |
265 |
|
>40 tsawg dua los yog sib npaug rau 63 |
255 |
| Lub zog tensile | |
|---|---|
|
Cov Khoom Thickness |
MPa |
|
< 3 |
430/580 |
|
Ntau dua los yog sib npaug rau 3 tsawg dua lossis sib npaug nrog 100 |
410/530 |
Kev cuam tshuam hluav taws xob - qhov tseem ceeb tshaj plaws:
| Qho so | Qhov tuab | Tshav dav hlau | |
|---|---|---|---|
|
JR |
20 degree |
Tsawg dua los yog sib npaug rau 150 |
27 |
|
J0 |
0 degree |
27 |
|
|
J2 |
-20 degree |
27 |
|
Gnee Steel H nqaj Steel Chaw Tsim Tshuaj
Gnee steel tau tsim tsa nyob rau xyoo 2008, peb cov khoom tseem ceeb yog seem steel, lub tsev sib luag, thiab lwm yam. Peb zoo siab los muab koj tus nqi zoo tshaj plaws thiab cov lus qhia. Koj zoo siab tos txais koj mus ntsib peb lub tuam txhab.
