Thaum koj xa khoomS235J2 Steel Phaj, koj xav tau ib tus neeg muag khoom txhim khu kev qha thiab ntawv pov thawj. Gnee muab siab - zoo EN 10025-2 S235J2 steel daim hlau, tshwj xeeb tsim rau kev tsim kho, txuas hniav, kev tsim vaj tsev sab nrauv, thiab cov tshuab hnyav.
S235J2 Steel Phaj
Peb cov phaj yog zoo tagnrho rau kev lag luam uas xav tau lub zog nruab nrab, cuam tshuam tsis kam ntawm qhov kub thiab txias, thiab weldability zoo heev.
Kab lus no muab cov ntsiab lus dav dav ntawm EN 10025-2 S235J2 steel, suav nrog tshuaj lom neeg muaj pes tsawg leeg, cov khoom siv kho tshuab, kev siv, thiab cov txiaj ntsig. Cia peb mus rau hauv vim li cas S235J2 yog qhov kev xaiv zoo rau koj qhov project tom ntej.
TS EN 10025-2 S235J2 - Kev taw qhia txog tus qauv
EN 10025-2 yog tus qauv European rau kub- dov cov qauv steel phaj. Cov qauv no qhia txog cov txheej txheem kev xa khoom rau cov hlau tsis muaj hlau siv hauv kev tsim kho thiab kev siv engineering.
Ntawm cov qib sib txawv, S235J2 sawv tawm rau nws cov qauv zoo - cov qauv nplej, lub zog nruab nrab, thiab kev cuam tshuam ntawm -20 degree, ua rau nws tsim nyog rau cov khoom siv uas raug rau cov khoom hnyav.
Gnee manufactures EN 10025-2 S235J2 daim hlau nrog tag nrho traceability thiab ntawv pov thawj, kom ntseeg tau raws li thoob ntiaj teb cov qauv rau cov haujlwm thoob ntiaj teb.
Tshuaj muaj pes tsawg leeg ntawm S235J2 Steel Phaj
Cov tshuaj muaj pes tsawg leeg ntawm S235J2 yog qhov tseem ceeb rau kev ua tiav cov khoom siv kho kom zoo thiab ua kom zoo weldability thiab formability. Ntawm no yog cov muaj pes tsawg leeg ntawm DIN EN 10025-2:
| Element | Kev sib xyaw (%) | CAS Nr |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.17 | 7440-44-0 |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.40 | 7439-96-5 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035 | 7723-14-0 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.035 | 7704-34-9 |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.55 | 7440-21-3 |
| Copper (Cu) | Tsawg dua los yog sib npaug li 0.55 | 7440-50-8 |
| Nitrogen (N) | Tsawg dua lossis sib npaug li 0.012 | 7727-37-9 |
| Hlau (Fe) | Tshuav | 7439-89-6 |
Mechanical Properties ntawm S235J2 Steel Phaj
S235J2 daim hlau muaj cov khoom siv kho tshuab zoo heev, ua rau lawv zoo tagnrho rau ntau yam kev siv cov qauv. Hauv qab no yog cov khoom tseem ceeb mechanical:
| Khoom | Tus nqi |
|---|---|
| Yield zog (min) | 235 MPa rau |
| Tensile zog | 360-510 MPa |
| Elongation (min, 200 hli) | 24% |
| Impact Toughness (Charpy V-notch) | 27 J ntawm -20 degree |
| Hardness (HB) | 120–170 HB |
Thickness kam rau ua rau S235J2 daim hlau
Thickness tolerances yog qhov tseem ceeb rau kev tswj qhov tseeb qhov tseeb hauv cov qauv siv. Rau S235J2 daim hlau, EN 10029 Class A kam rau ua raws li hauv qab no:
| Nominal Thickness (hli) | Kev kam rau siab (mm) |
|---|---|
| Tsawg dua los yog sib npaug 3 | ±0.3 |
3 | ±0.4 |
|
5 | ±0.5 |
|
8 | ±0.6 |
|
15 | ±0.8 |
|
25 | ±1.0 |
|
40 | ±1.2 |
|
80 | ±1.4 |
|
100 | ±1.8 |
|
150 | ±2.2 |
|
200 | ±2.6 |
|
Gnee xyuas kom meej qhov tseeb ntawm S235J2 daim hlau los ntawm kev ua raws li cov kev zam no, nrog rau kev xaiv rau kev kho tshwj xeeb raws li qhov yuav tsum tau ua.
Kev siv ntawm S235J2 Steel Phaj
S235J2 yog siv dav hauv ntau lub lag luam, suav nrog:
- Kev tsim kho: choj, vaj tse, thiab cov khoom siv hauv tsev.
- Offshore Engineering: Platforms, cua turbines, thiab marine structures.
- Heavy Machinery: cranes, excavators, thiab cov khoom siv tsuas.
- Shipbuilding: Hulls thiab superstructures.
- Cov Khoom Siv Hluav Taws Xob: Cov kav dej, lub tank cia, thiab cov khoom siv ua lag luam.
S235J2 kev sib xyaw ua ke zoo heev ntawm lub zog, kev cuam tshuam, thiab weldability ua rau nws yog qhov kev xaiv zoo rau cov ntawv thov no.
Vim li cas thiaj xaiv Gnee rau S235J2 Steel Phaj?
Gnee yog ib tug ntseeg thoob ntiaj teb tsum ntawm S235J2 steel daim hlau, muab:
- Daim ntawv pov thawj zoo: Daim ntawv pov thawj tag nrho, suav nrog kev kuaj ultrasonic, Charpy cuam tshuam kev kuaj ntawm -20 degree, thiab tshuaj ntsuam xyuas kom tau raws li EN 10025-2.
- Customization Options: Muaj nyob rau hauv thicknesses los ntawm 6 mm mus rau 300 mm, nrog rau kev xaiv rau txiav - mus rau - loj, beveling, thiab normalization.
- Kev xa khoom thoob ntiaj teb: Kev ntseeg siab thiab xa khoom sai ntawm Tuam Tshoj mus rau thoob ntiaj teb kev lag luam.
- Kev Txhawb Kev Txawj Ntse: Kev taw qhia txog kev xaiv S235J2 piv rau lwm qib, xws li S355J2 lossis S275J2 steel.
Rau siab -zoo S235J2 Steel Phaj, Gangsteel yog koj lub chaw tsim khoom thiab cov neeg muag khoom ntseeg siab. Peb cov phiaj xwm tau ntawv pov thawj, raug nqi - zoo, thiab muaj rau kev xa khoom sai.
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 uas 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 yuav poob mus rau -20℃lossis qis dua, xws li cov qauv sab nraum zoov, txuas hniav, lossis kev tsim kho 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