Q235A efere ígwè

A na-ejikarị efere igwe eji esi mmiri ọkụ na-emepụta ihe dị iche iche na ngwa ndị dị mkpa. Ebe ọ bụ na efere igwe ọkụ ọkụ na-arụ ọrụ na ọkara okpomọkụ (n'okpuru 350 Celsius) na nrụgide dị elu, na mgbakwunye na nrụgide dị elu, ọ na-enwekwa mmetụta, ike ọgwụgwụ na mmiri vapor corrosion. Ọ chọrọ ka ekwe nkwa ụfọdụ ike, na nwere ezi ịgbado ọkụ na oyi na-ehulata arụmọrụ. Akara ndị nkịtị: Q245R, A5155 ọkwa 55, A5156 ọkwa 60, Q235A carbon ígwè efere, A5166 ọkwa 65, A51670 ọkwa.

The elongation nke ala alloy elu-ike ígwè bụ 15% -23%, na mmetụta absorption ike na ime ụlọ okpomọkụ karịrị 34J. Q235A carbon steel efere, obere alloy elu ike ígwè nwere ezigbo plasticity na mmetụta na-eguzogide, nke nwere ike zere kenkuwa mgbaji n'oge mmetụta na-eme ka oyi ekwe na ịgbado ọkụ mfe. Ke adianade do, kenkuwa okpomọkụ mgbanwe nke ala alloy elu-ike ígwè dị ala, na absorption na-arụ ọrụ uru nke E-grade ígwè na -40 Celsius C abụghị ihe na-erughị 27J. Nke a dị oke mkpa maka akụrụngwa injinia na ụzọ ụgbọ njem dịka ụgbọ ala, ụgbọ mmiri, ikpo okwu mmanụ dị n'ụsọ mmiri, arịa, àkwà mmiri, wdg.

Ihe mejupụtara kemịkalụ bụ isi nke Q235A
C	Si	Mn	P	S
0.22	0.35	1.40	0.045	0.050

Ọkpụrụkpụ (mm)
Q235A	≤ 16	> 16 ≤ 40	> 40 ≤ 60	> 60 ≤ 100	> 100 ≤ 150	> 150
Ike mpụta (≥Mpa)	235	225	215	215	195	185
Ike tensile (Mpa)	370-500