Q355B ígwè efere

Q355B ígwè efere bụ obere alloy elu-ike ígwè efere. Q355B ígwè efere nwere magburu onwe n'ibu ọrụ, ala okpomọkụ ọrụ, na magburu onwe plasticity na weldability. A na-eji ígwè Q355B eme ihe na-ajụ na obere nrụgide, tank mmanụ, ụgbọ ala, kreenu, igwe Ngwuputa, ọdụ ọkụ, akwa mmiri, wdg.

Ngwakọta kemịkalụ nke Q355B ígwè efere:
C≤0.24, Si≤0.55, Mn≤1.6, P≤0.035, S≤0.035, Ni≤0.3; Cr≤0.3, N≤0.0012

Njirimara akụrụngwa nke efere ígwè Q355B:
Ike mbịara≥355, ike ndọtị: 470-630, Akv≥34.

A na-eji efere ígwè Q355B eme ihe n'ọtụtụ ebe na injinia, igwe Ngwuputa, àkwà mmiri, ụgbọ ala, ụgbọ mmiri, ihe owuwu, ụgbọ mmiri nrụgide, akụrụngwa pụrụ iche, wdg.

Ihe mejupụtara kemịkalụ bụ isi nke Q355B
C	Si	Mn	P	S	Cr	Ni	Ku	N
0.24	0.55	1.60	0.035	0.035	0.30	0.30	0.40	0.012

Ngwongwo igwe maka efere igwe Q355B
	Ọkpụrụkpụ (mm)
Ike mpụta (≥Mpa)	T≤16	16	40	63	80	100	150	200
	355	345	335	325	315	295	285	275
Ike tensile (Mpa)	T≤100		100		150		250
	470-630		450-600		450-600		-