S275JR vs S235JR
Tshuaj muaj pes tsawg leeg:
Cov tshuaj muaj pes tsawg leeg ntawm S235JR thiab S275JR kuj txawv. Txawm hais tias ob qho tib si tsis muaj ntau tshaj 0.21% carbon, S275JR feem ntau muaj tsis ntau tshaj 0.60% silicon (Si) thiab tsis ntau tshaj 1.70% manganese (Mn), thaum S235JR muaj tsis ntau tshaj 0.35% silicon (Si) thiab tsis ntau tshaj 1.40% manganese (Mn). Tsis tas li ntawd, muaj qhov sib txawv me ntsis ntawm cov ntsiab lus ntawm phosphorus (P) thiab sulfur (S).
Kev sib piv tshuaj lom neeg
| Element | S235JR (%) | S275JR (%) |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.22 | Tsawg dua lossis sib npaug li 0.21 |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.55 | Tsawg dua los yog sib npaug li 0.50 |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.70 | Tsawg dua lossis sib npaug li 1.50 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.035 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.035 |
Qib Qib:
S235JR thiab S275JR yog cov qib sib txawv. S235JR feem ntau muaj lub zog tensile ntawm 360-510 MPa thiab lub zog tawm ntawm 235 MPa. S275JR feem ntau muaj lub zog tensile ntawm 410-560 MPa thiab lub zog tawm ntawm 275 MPa. Yog li ntawd, S275JR yog me ntsis zog dua S235JR.
Mechanical Properties Sib piv
| Khoom | S235JR (MPa) | S275JR (MPa) |
|---|---|---|
| Yield zog (Re) | Ntau dua lossis sib npaug rau 235 | Ntau dua lossis sib npaug li 270 |
| Tensile zog (Rm) | 360-510 | 430-580 |
| Elongation (A) | Ntau dua lossis sib npaug li 18% | Ntau dua lossis sib npaug li 14% |
Impact Toughness:
S235JR thiab S275JR kuj txawv ntawm qhov cuam tshuam toughness. S275JR feem ntau muaj kev cuam tshuam zoo dua thiab ua kom muaj zog zoo ntawm qhov kub thiab txias.
| Khoom | S235 JR | S275 JR |
|---|---|---|
| Impact Toughness (KV) | Ntau dua lossis sib npaug rau 27J (0 degree) | Ntau dua lossis sib npaug rau 27J (20 degree) |
| Hardness (HBW) | 120-170 | Tsawg dua lossis sib npaug li 187 |
Daim ntawv thov:
Vim tias qhov sib txawv ntawm lub zog thiab qhov cuam tshuam qhov hnyav, S235JR thiab S275JR tuaj yeem muaj cov ntawv thov sib txawv. S235JR feem ntau yog siv rau hauv kev tsim vaj tsev dav dav, cov nroj tsuag kev lag luam, txuas hniav, thiab lwm yam. S275JR, vim nws lub zog ntau dua thiab zoo dua qhov cuam tshuam, yog tsim rau cov qauv uas muaj cov khoom loj thiab lub sijhawm, xws li siab - nce cov tsev thiab txuas hniav.
S275JR thiab S235JR Square Tube hauv Tshuag
