Cov qauv siv li cas?
A: Khoom siv:GB/T 700-2006
Hlau phaj:GB/T 3274, GB/T 709
Lub hardness yog dab tsi?
A: 120-160 HB(Brinell), mos thiab yooj yim rau tshuab / daim ntawv.
Q235 puas tuaj yeem siv rau cov hlab ntsha siab?
A: Raulow-siab, tsis yog-corrosivekev pabcuam nkaus xwb. Tsis yog rau qhov tseem ceeb lossis siab - cov hlab ntsha siab.
Yuav ua li cas txheeb xyuas cov khoom Q235?
A: KosMill Test Certificate (MTC); uaspectrometry(kev tshuaj ntsuam xyuas tshuaj) lossis kev sim tshuab.
3 Dab tsi yog qhov kev pheej hmoo ntawm kev yuav khoom?
A:
Kev hloov qib (A rau B / C / D)
Tawm ntawm -spec chemical / mechanical properties
Qhov sib txawv (thickness / dav / ntev)
Deg tsis xws luag