Q: Puas muaj kev sib koom ua ke thoob ntiaj teb rau Q235?
A: Tsis muaj kev sib raug zoo thoob ntiaj teb tsim. Approximate correspondences yog:
EU: S235JR;
USA: A36;
Nyiv: SS400.
Q: Dab tsi yog qhov tseem ceeb ntawm Q235?
A: Siv dav hauv kev tsim vaj tsev (xws li cov kab hlau thiab cov kab), cov tshuab engineering (xws li kev txhawb nqa thiab cov hauv paus), cov khoom siv kho vajtse (xws li bolts thiab txiv ntseej), welded qhov chaw, thiab cov khoom siv tsis zoo.
Q: Q235 puas tuaj yeem siv los tsim cov kabmob?
A: Tsis yog, bearings yuav tsum muaj siab -hardness, siab- hnav- steel tiv taus (xws li bearing steel GCr15), thiab Q235 tsis muaj zog txaus thiab hardness.
Q: Lub zog thiab tensile lub zog ntawm Q235 yog dab tsi?
A: Yield zog Ntau dua los yog sib npaug rau 235MPa (thickness Tsawg dua lossis sib npaug rau 16mm), tensile zog 375 ~ 500MPa.
Q: Tus qauv elongation rau Q235 yog dab tsi?
A: Elongation δ₅ Ntau dua lossis sib npaug li 26% (thickness Tsawg dua lossis sib npaug li 16mm). Lub elongation yuav txo me ntsis raws li cov thickness ntawm cov hlau nce.