Dab tsi yog5qib hlau?
ST15 yog ib qib ntawm khaub thuas-rolled low-carbon steel phaj, uas belongs rau qhov sib sib zog nqus qauv qib kev sib sib zog nqus cov qauv (DIN Txuj Ci) lossis European Txuj Ci (En Txuj Ci).
Puas yog ST15 cov hlau zoo?
Hauv kev kub nyas, siab yuav tsum tau ua thiab tsis tshua muaj cov ntaub ntawv st15 yog ib qho ntawm cov kev lag luam uas nyiam tshaj plaws rau nws cov khoom lag luam zoo thiab zoo}
Puas yog ST15 me me hlau?
St15 cov roj av tsis tshua muaj zog
Puas yog ST15 tib yam li SpCcc?
ST15 yog qib German Din tus qauv lossis European en txheej txheem, uas yog qhov tshwj xeeb uas yog cov khoom lag luam tsis sib thooj (xws li cov ntaub qhwv roj sib sib zog nqus); Spcc yog ib qib ntawm Japanese JIS qauv (JIS G 3141), uas yog cov khoom txias-carbon hlau, qhov chaw ntawm cov cuab yeej txias hauv tsev, thiab cov txheej txheem dav dav .
Dab tsi yog qhov sib txawv ntawm ST15 thiab CR3?
Ob qho ST15 thiab CR3 yog txias-carbon steels, tab sis lawv muaj rau cov qauv sib txawv ntawm cov qauv (thiab yog tsim rau cov kev ua tiav siab, tshwj xeeb tshaj yog rau cov kev sib sib zog nqus-sib txawv; CR3 belongs rau Suav GB Txuj Ci (GB / T 5213) Thiab yog ib qib ntawm cov hlau txias-carbon.
