Q355B steel phaj

Q355B steel phaj yog qis-alloy high-strength steel phaj. Q355B steel phaj muaj kev ua haujlwm zoo heev, ua haujlwm tsis muaj qhov kub thiab txias, thiab zoo heev plasticity thiab weldability. Q355B steel yog siv los ua cov thawv nruab nrab thiab qis qis, roj tank, tsheb, crane, mining machinery, chaw nres tsheb fais fab, choj, thiab lwm yam.

Tshuaj muaj pes tsawg leeg ntawm Q355B steel phaj:
C≤0.24, Si≤0.55, Mn≤1.6, P≤0.035, S≤0.035, Ni≤0.3; Cr≤0.3, N≤0.0012

Mechanical zog ntawm Q355B steel phaj:
Yield zog ≥355, tensile zog: 470-630, Akv≥34.

Q355B steel phaj yog dav siv hauv engineering, mining machinery, txuas hniav, tsheb, nkoj, kev tsim kho, siab hlab ntsha, khoom siv tshwj xeeb, thiab lwm yam.

Cov ntsiab lus tshuaj tseem ceeb ntawm Q355B
C	Si	Mn	P	S	Cr	Ni	Cu	N
0.24	0.55	1.60	0.035	0.035	0.30	0.30	0.40	0.012

Mechanical Property rau Q355B steel phaj
	Thickness (hli)
Yield zog (≥Mpa)	T≤16	16	40	63	80	100	150	200
	355	345	335	325	315	295	285	275
Tensile zog (Mpa)	T≤100		100		150		250
	470-630		450-600		450-600		-