Dab tsi yogSA572 Qib 55?
SA572 Qib 55 yog siab -lub zog, qis- alloy structural steel txhais raws li ASTM A572. Nws muab qhov tsawg kawg nkaus lub zog ntawm 380 MPa (55 ksi) nrog zoo weldability thiab toughness. Cov hlau feem ntau yog siv hauv cov txuas hniav, cov tsev, cov kab hluav taws xob, cov khoom siv tshuab, thiab cov khoom siv thauj khoom-cov kabmob uas yuav tsum muaj zog dua piv rau Qib 50.
Chemical Composition (Tswj Limits)
| Lub ntsiab | Cov ntsiab lus (%) |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.26 |
| Manganese (Mn) | 0.50–1.65 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.040 |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.40 |
| Vanadium / Niobium (V / Nb) | Tsawg dua los yog sib npaug rau 0.15 (ua ke) |
Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Yield zog (min) | 380 MPa (55 ksi) |
| Lub zog tensile | 485-620 MPa (70-90 ksi) |
| Elongation | 17–20% |
| Qhov ntom | 7.85 g / cm³ |
Dab tsi yogSA572 Qib 50?
SA572 Qib 50 steel phaj yog siab -lub zog qis- alloy steel phaj (HSLA) nrog lub zog tsawg kawg nkaus ntawm 50,000 psi (345 MPa) thiab lub zog tensile yam tsawg kawg nkaus ntawm 65,000 psi (450 MPa). Tus qauv no (ASTM A572 Qib 50) yog siv dav hauv kev lag luam xws li kev tsim kho, khoom siv hnyav, kev thauj mus los, thiab lub zog vim nws lub zog siab - rau - qhov hnyav piv tso cai rau txo cov khoom siv hauv kev siv. Cov phaj hlau no muaj qhov zoo weldability thiab, vim nws lub zog siab thiab corrosion kuj, feem ntau yog siv rau hauv cov khoom siv.
Tshuaj muaj pes tsawg leeg
| Lub ntsiab | Kev sib xyaw (%) |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.23 |
| Manganese (Mn) | 1.35 max |
| Silicon (Si) | 0.40 max |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.030 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030 |
| Copper (Cu) | 0.20 - 0.40 |
| Vanadium (V) | 0.01 - 0.15 |
| Niobium (Nb) | 0.005 - 0.05 |
Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Yield zog (MPa) | Ntau dua lossis sib npaug rau 345 |
| Tensile zog (MPa) | 450 - 620 |
| Elongation (%) | Ntau dua lossis sib npaug li 21 |
| Lub zog cuam tshuam ntawm 0℃(J) | Ntau dua lossis sib npaug 27 |
| Hardness (HB) | 140 - 190 |
| Fatigue zog (MPa) | 160 - 180 |
SA572 Qib 55 muaj zog npaum li cas piv rau SA572 Qib 50?
SA572 Qib 55 pom muaj zog dua SA572 Qib 50.
Qib 55 muab qhov siab tshaj qhov ua tau zoo ntawm lub zog380 MPa rau, thaum Qib 50 muaj345 MPa ua.
Lub zog tensile kuj tseem me ntsis siab dua, muab Qib 55 zoo dua load-cov kabmob muaj peev xwm rau kev siv cov qauv hnyav.
Lub zog sib piv cov lus
| Khoom | SA572 Qib 50 | SA572 Qib 55 |
|---|---|---|
| Yield zog (min) | 345 MPa (50 ksi) | 380 MPa (55 ksi) |
| Lub zog tensile | 450-620 MPa | 485-620 MPa |
| Hom kev siv | Standard structural hlau | Siab dua -lub zog steel |
GNEE Steel kuj muab ntau yam siab - lub zog steel phaj, xws li A514 Qib F, A572 Qib 50, A588 Qib A, S355JR, S690Q, SS400, S690QL, Q345B, Q345E, thiab lwm yam. Yog tias koj xav paub ntau ntxiv txog cov hlau phaj +8615824687445 lossis xa email rauinfo@gneesteels.com. Koj tuaj yeem sab laj nrog peb, thiab peb txaus siab los teb koj cov lus nug.
