Dab tsi yogSA573 Qib 70 steel?
SA573 Qib 70 yog asiab- zog, qis- alloy (HSLA) cov qauv hlauRaws li ASTM A573. Nws yog tsim rauhnyav -cov haujlwm ua haujlwmxav tau lub zog siab dua cov qib qis. SA573 Qib 70 muabzoo heev weldability, toughness, thiab formability, ua kom haum rautxuas hniav, siab -load machinery, cranes, thiab structural beams.
Chemical Composition (Tswj Limits)
| Element | 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) |
| Copper (Cu, yeem) | Tsawg dua lossis sib npaug li 0.60 |
Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Yield zog (min) | 485 MPa (70 ksi) |
| Tensile zog | 485-690 MPa |
| Elongation | 16–19% |
| Qhov ntom | 7.85 g / cm³ |
Qhov twg ASTM tus qauv npog SA573 Qib 70?
Cov ntsiab lus tseem ceeb ntawm ASTM A573 rau Qib 70
Scope:Npog siab -lub zog, qis- alloy steel daim hlau nyob rau hauv thicknesses feem ntau yog li ntawm 6 hli mus rau 150 hli (nyob ntawm subgrade thiab dov).
Qib:SA573 suav nrog ntau qib xws li 50, 55, 60, 65, thiab 70, txhua tus txhais los ntawmyam tsawg kawg nkaus yield zog.
Daim ntawv thov:Cov yam ntxwv ntawm cov khoom siv rautxuas hniav, tsev, cranes, hnyav machinery, thiab lwm yam thauj khoom -cov kabmob.
Mechanical Requirements:ASTM A573 qhiayield zog, tensile lub zog, elongation, thiab cuam tshuam toughness.
Tshuaj muaj pes tsawg leeg:Kev txwv rau carbon, manganese, silicon, phosphorus, sulfur, thiab xaiv cov alloying ntsiab xws li vanadium, niobium, lossis tooj liab.
Cov ntaub ntawv dab tsi sib npaug rau SA573 Qib 70?
US & ASTM / AISC sib npaug
| Khoom siv | Txuj | Sau ntawv |
|---|---|---|
| A573 Qib 70 | ASTM | Tib lub siab -lub zog qis- alloy steel rau cov qauv siv |
| A913 Qib 70 | ASTM | Siab -lub zog dov cov duab rau txuas hniav thiab hnyav- cov qauv ua haujlwm |
| A709 Qib 50W / 50 | ASTM | Choj hlau; qis tawm los tab sis qee zaum siv hloov pauv nyob ntawm tus qauv tsim |
International sib npaug
European Standards
| Khoom siv | Txuj | Sau ntawv |
|---|---|---|
| S460JR / S460J2 | TS EN 10025-2 | Ze European sib npaug (~ 460 MPa yield zog) |
| S460 NL | TS EN 10025-3 | Txhim kho qis-kub toughness, zoo ib yam li cov tshuab ua haujlwm |
Suav Standards
| Khoom siv | Txuj | Sau ntawv |
|---|---|---|
| Q500C / Q500D | GB/T 1591 | Yield ~ 500 MPa, mechanically zoo ib yam li SA573 Qib 70 |
| Q520B | GB/T 1591 | Lub zog me ntsis siab dua, qee zaum siv hnyav - cov haujlwm ua haujlwm |
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.
