Khoom Description
A573Gr70 yog cov khoom siv, muab faib ua 58 qib, 65 qib, 70 qib peb qib zoo.
Executive Standard: American Society for Materials and Testing Standard, ASTM A573/573M-05
Cov xwm txheej txheej txheem: Cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab ntawm Bensteel raug tshem tawm. Thaum kev txiav txim, kev cuam tshuam ntxiv, kev kuaj pom qhov tsis zoo, Z kev taw qhia, kev tswj xyuas muaj pes tsawg leeg, kev ua tau zoo tshaj li cov qauv, thiab lwm yam.
| Cim | Tshuaj muaj pes tsawg leeg | ||||
| C max |
Si max |
Mn max |
P max |
S max |
|
| a573g 70 | 0.27-0.28 | 0.15-0.40 | 0.85-1.20 | 0.035 | 0.004 |
| Cim | Yield point los yog pov thawj kev nyuaj siab N/mm2 (min) |
Tensile zog N/mm2 min |
Elongation % min | Tensile xeem daim | Kho tau | ||
| Khoov Lub kaum sab xis |
Sab hauv lub voj voog | Kuaj daim | |||||
| a573g 70 | 290 | 485-620 | 18 | NO.5 nyob rau hauv dov kev taw qhia | 180 degree | Thickness x 1 0 Thickness x 1.5 hli |
No.3 nyob rau hauv dov kev taw qhia |
A573Gr70 steel phaj muaj qhov zoo heev corrosion thiab hnav tsis kam thiab tuaj yeem siv rau hauv qhov chaw hnyav kom tswj tau nws qhov kev ua tau zoo thiab zoo li lub sijhawm ntev. Cov yam ntxwv no ua rau nws siv dav hauv qee thaj chaw uas xav tau cov khoom siv siab, xws li petrochemical, chaw nres tsheb fais fab thiab lwm yam lag luam.
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