ASTM A573 steel feem ntau yog siv rau cov qauv siv uas yuav tsum tau ua kom zoo dua qub, xws li cov tso tsheb hlau luam, thaum ASTM A572 yog siab - zog, qis- alloy (HSLA) steel siv rau kev siv cov qauv siv xws li txuas hniav, vaj tse, thiab cov khoom hnyav uas muaj zog thiab ductility yog qhov tseem ceeb. A573 yog cov pa roj carbon-manganese-silicon steel rau siv nyob rau hauv atmospheric kub qhov twg toughness yog ib qho tseem ceeb, whereas A572 muaj ib tug ntau yam ntawm cov qib (42 mus rau 65) nrog sib txawv high yield zog rau xav tau cov qauv siv.
ASTM A573GR65 steel Vs ASTM A572GR65 steel hauv tshuaj muaj pes tsawg leeg
| Qib | C max | Mn | P max | S max | SI |
| A572 GR65 | 0.23 | 1.35 max | 0.04 | 0.05 | 0.40 max |
| A573GR65 | 0.24 | 0.85-1.2 | 0.035 | 0.04 | 0.15-0.40 |
ASTM A573GR65 steel Vs ASTM A572G65 steel hauv cov khoom siv kho tshuab
| Qib | Yield zog Mpa | Tensile zog Mpa | Elongation% hauv 200mm | Elongation% hauv 50mm |
| A572 GR65 | 450 | 550 | 15 | 17 |
| A573GR65 | 240 | 415-530 | 20 | - |
ASTM A573 Hlau Vs ASTM A572 Hlau
ASTM A573 steel phaj yog npaj rau kev pab cuam ntawm atmospheric kub qhov twg txhim kho notch toughness yog ib qho tseem ceeb.
ASTM A572 steel phaj yog dav siv hauv cov qauv siv, nrog rau cov txuas hniav, cov tsev thiab cov cuab yeej siv thiab lwm yam.
