Core Classification & Standardscov
| covParametercov | covSIB 400(JIS Standard) | covQ235B(Suav GB Standard) |
|---|---|---|
| covTxujcov | JIS G3101-2017 (Carbon Steel) | GB / T 700-2006 (Carbon Structural Steel) |
| covLub hauv paus muaj zogcov | covTensile zog ≥400 MPa(Tsis muaj lub zog lav lav) | covTawm Zog ≥235 MPa(t≤16mm) |
| covHom khoomcov | Plain Carbon Steel (tsis muaj alloys) | Carbon Steel (nrog Mn / Si kab) |
covMechanical Properties Sib pivcov
| covKhoomcov | covSIB 400cov | covQ235Bcov |
|---|---|---|
| covYield zog (MPa)cov | covTsis tau teev tseg(Typ. 235–245) | cov≥235(t≤16mm) |
| covTensile zog (MPa)cov | cov400–510 : kuvcov | cov370-500 Nwscov |
| covElongation (%)cov | ≥17 | cov≥ 26(200 hli gauge) |
| covImpact Toughnesscov | covTsis xav taucov | cov+20°C, ≥27J(Charpy V-ntu) |
| covThickness nyhuvcov | Lub zog ruaj khov | Lub zog ↓ li thickness ↑ (Min{0}}MPa) |
covChemical Composition (%)cov
| Element | covSIB 400cov | covQ235Bcov |
|---|---|---|
| covCcov | ≤ 0.29 | ≤ 0.20 |
| covMncov | Tsis tau teev tseg | 0.30–0.70 Nws |
| covPcov | ≤ 0.050 | cov≤ 0.045cov |
| covScov | ≤ 0.050 | cov≤ 0.045 |
Daim ntawv thov Scenariocov
| covDaim ntawv thovcov | covPom zoo Qibcov | covKev xavcov |
|---|---|---|
| Tej yaam num hauv Nyiv | SIB 400 | Kev ua raws li JIS |
| Cov qauv hlau hauv Suav teb | covQ235Bcov | GB ua raws + lub zog tawm los |
| Tsawg- cov kav dej siab / laj kab | Ob leeg txais tau | Tsis yog - siv qhov tseem ceeb |
| Dynamic/siab systems | covTsis yogcov | Yuav tsum tau Q355 / S355-qib steel |
covInternational sib npaugcov
| Thaj tsam | Zoo ib yam li SS400 | Zoo ib yam li Q235B |
|---|---|---|
| covTeb chaws Europecov | S235JR (EN 10025) | S235JR (EN 10025) |
| covTeb chaws USAcov | A36 (ASTM) | A283C (ASTM) |
