S235 Steel Phajyog siv dav siv carbon steel phaj ua raws li European EN 10025 tus qauv. Muaj nyob rau hauv peb qib - S235JR, S235J0, thiab S235J2, cov khoom siv no tsim nyog rau ntau yam kev tsim kho thiab engineering.
S235 Steel Phaj
Txawm hais tias koj tab tom tsim cov choj, tshuab, lossis kev tsim kho vaj tse, GNEE muab S235 daim hlau txhim khu kev qha nrog kev ua tau zoo hauv vuam thiab lub zog.
Tshuaj muaj pes tsawg leeg ntawm S235 Steel Phaj
S235 steel phaj yog tsim los ntawm ntau yam khoom uas muab cov khoom nws lub zog, durability, thiab weldability. Ntawm no yog ib qho kev tawg ntawm cov tshuaj muaj pes tsawg leeg:
| Element | Txwv | Chav tsev |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.17 | % |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.35 | % |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 0.65 | % |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.030 | % |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030 | % |
Mechanical Properties ntawm S235 Steel Phaj
S235 steel paub txog nws cov khoom siv kho tshuab zoo, ua rau nws zoo tagnrho rau kev siv cov qauv. Hauv qab no yog cov khoom siv kho tshuab rau S235 steel phaj:
| Khoom | Tus nqi |
|---|---|
| Yield zog | Ntau dua lossis sib npaug li 225 MPa |
| Tensile zog | 360-510 MPa |
| Elongation (A) | Ntau dua lossis sib npaug li 20% |
Kev xa khoom ntawm S235 Steel Phaj
S235 steel phaj muaj nyob rau hauv ntau yam kev xa khoom kom haum rau kev siv sib txawv:
- Kub Rolled
- Tswj Rolling
- Li qub
Txhua yam ntawm cov txheej txheem no ua kom ntseeg tau tias cov phaj hlau ua tau raws li qhov xav tau lub zog thiab kev ua haujlwm ntawm txhua qhov chaw sib txawv.
Qhov sib txawv ntawm S235JR, S235J0, thiab S235J2
Peb qib ntawm S235 steel sib txawv feem ntau nyob rau hauv cov nqe lus ntawm kev cuam tshuam qhov kub thiab txias. Nov yog qhov lawv sib piv:
| Qib | Impact kub | Kev piav qhia |
|---|---|---|
| S235 JR | Qhov kub thiab txias | Standard qib rau kev siv |
| S235J0 | 0℃cuam tshuam | Tsim nyog rau kev siv qis - kub |
| S235J2 | -20℃cuam tshuam | Qhov zoo tshaj plaws rau qhov chaw txias txias |
Qhov txawv tseem ceeb:
S235JR yog qhov zoo tagnrho rau cov qauv siv,
S235J0 thiab S235J2 yog tsim los rau qhov chaw txias dua, nrog S235J2 yog qhov tsim nyog tshaj plaws rau huab cua kub mus txog -20 degree.
Rau kev ntseeg siab thiab siab -kev ua tau zoo S235 Steel Phaj, xaiv GNEE ua koj tus neeg muag khoom ntseeg siab. Peb cov phiaj xwm ua tau raws li tus qauv nruj EN 10025, ua kom muaj kev ruaj khov thiab zoo hauv koj cov haujlwm ua haujlwm. Tiv tauj peb tam sim no kom tau txais daim ntawv teev npe S235 tshiab thiab muaj!
Tiv tauj peb rau qhov tseeb S235 Steel Phaj nqe teev
S235J2 steel sib npaug yog dab tsi?
S235J2 yog sib npaug rau ASTM A283 Qib C, muaj zog zoo sib xws thiab weldability. Lub hardness ntawm S235J2 yog dab tsi? Qhov raug Brinell hardness (HB) ntawm S235J2 yog 120-170 HB, nyob ntawm thickness thiab kev kho cua sov.
S355J2 steel yog dab tsi?
Qhov tseem ceeb, S355J2 yog micro-alloyed structural steel uas zoo rau ntau yam kev siv tshuab engineering. Nws muaj qhov zoo heev weldability nrog max CEV=0.47 rau txhua qhov sib txawv, thiab nws feem ntau xa nrog cov ntsiab lus silicon tswj kom tso cai rau cov khoom zoo galvanizing.
Puas yog S355J2 zoo dua S355J0?
S355J0: Haum rau kev siv cov qauv siv dav dav qhov twg qhov kub thiab txias nyob ib puag ncig 0℃lossis siab dua. S355J2: Ntau qhov tsim nyog rau cov huab cua txias lossis cov ntawv thov uas qhov kub tuaj yeem poob mus rau -20℃lossis qis dua, xws li cov qauv sab nraum zoov, txuas hniav, lossis cov vaj tsev nyob hauv qhov chaw txias.
Puas yog S355J2 N carbon steel?
Kev tsim ntawm S355J2+N daim hlau siv tsuas yog ntshiab, qis- carbon hlau. Lawv yog cov zoo tagnrho rau welding txij thaum lawv muaj zog tensile zog