Q195 steel yog dab tsi?
Q195 yog hom zoo tib yam carbon structural steel teev nyob rau hauv Suav teb tus qauv GB/T 700-2006. "Q" sawv cev rau lub zog tawm los, thiab "195" qhia qhov tsawg kawg nkaus lub zog muaj zog Ntau dua lossis sib npaug rau 195MPa rau lub thickness Tsawg dua lossis sib npaug li 16 hli. Nws poob rau hauv qeb ntawm cov pa roj carbon tsawg.
2. Tus qauv rau Q195 yog dab tsi?
Tus qauv tseem ceeb yog GB / T 700-2006 "Carbon Structural Steel." Nws cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab cov khoom xa tuaj yuav tsum tau ua raws li cov qauv no.
3. Cov tshuaj lom neeg ntawm Q195 yog dab tsi?
Carbon (C) Tsawg dua lossis sib npaug li 0.12%, Silicon (Si) Tsawg dua lossis sib npaug li 0.30%, Manganese (Mn) 0.25% -0.50%, Sulfur (S) Tsawg dua lossis sib npaug 0.050%, Phosphorus (P) Tsawg dua lossis sib npaug li 0.045%. Tsawg carbon thiab tsawg impurities yog nws cov yam ntxwv tseem ceeb.
4. Dab tsi yog qhov sib npaug thoob ntiaj teb ntawm Q195?
International sib npaug: ISO HR2; ASTM Gr.B (USA); JIS SS330 (Nyiv); DIN St33 (Lub Tebchaws Yelemees); BS 040A10 (UK).