Dab tsi yog ASTM A500 GR B?
ASTM A500 GRB yog tus qauv hauv American tus txheej txheem rau cov roj carbon hlau, uas yog hais txog cov yeeb nkab square, ua los ntawm cov hlau tsis muaj steel. Cov yeeb nkab steel no muaj ntau cov kev siv, tshwj xeeb hauv cov yeeb yam uas muaj kev sib txawv ntawm cov qauv A500 GBB sib txawv ntawm cov qauv A500 GRB ua CE thiab ISO 9001, txhawm rau paub meej thiab ntseeg tau zoo thiab ntseeg tau.
Dab tsi yog cov tshuaj lom neeg muaj pes tsawg leeg ntawm ASTM A500 GRB?
| muaj pes tsawg | zoo siab |
|---|---|
| C | 0.26%-0.30% |
| Mn | 1.35%-1.6% |
| S | Tsawg dua li lossis sib npaug rau 0. 05% |
| P | Tsawg dua li lossis sib npaug rau 0. 04% |
| CU | Tsawg dua los yog sib npaug rau 0. 60% |
| Cr | Tsawg dua los yog sib npaug rau 0. 40% |
