GB/T 4171-2008 steel plate atmospheric corrosion resisting structural steel

GB/T 4171-2008 atmospheric corrosion resisting structural steel are produced in the grades and qualities: Q355GNH, Q310GNH, Q295GNH, Q265GNH, Q235NH, Q295NH, Q355NH, Q415NH, Q460NH, Q500NH, Q550NH. GB/T4171-2008 Q235NH, Q355NH, Q355GNH steel plates are having many excellent features to offer. This has made them to be very much high in demand.

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Product Introduction

GB/T 4171 steel plate introduction:
GB/T 4171-2008 atmospheric corrosion resisting structural steel are produced in the grades and qualities: Q355GNH, Q310GNH, Q295GNH, Q265GNH, Q235NH, Q295NH, Q355NH, Q415NH, Q460NH, Q500NH, Q550NH.
GB/T4171-2008 Q235NH, Q355NH, Q355GNH steel plates are having many excellent features to offer. This has made them to be very much high in demand. Those GB/T4171 steel plates are good dimensional accuracy, high tensile strength, withstanding high temperature and heavy loads, high durability, high flexibility, rugged construction, good surface finishes. It is also having more features like anti-corrosives, general corrosion resistance ability, and crevice corrosion and stress corrosion cracking resistance ability.

Steel Properties

GB/T 4171 steel plate chemical composition(%):

Material	C	Si	Mn	P	S	Cu	Cr	Ni
Q355GNH	≤0.12	0.20-0.75	≤1.00	0.07-0.15	≤0.020	0.25-0.55	0.30-1.25	≤0.65
Q310GNH	≤0.12	0.20-0.75	0.20-0.50	0.07-0.12	≤0.020	0.20-0.50	0.30-1.25	≤0.65
Q295GNH	≤0.12	0.10-0.40	0.20-0.50	0.07-0.12	≤0.020	0.25-0.45	0.30-0.65	0.25-0.50
Q265GNH	≤0.12	0.10-0.40	0.20-0.50	0.07-0.12	≤0.020	0.20-0.45	0.30-0.65	0.25-0.50
Q235NH	≤0.13	0.10-0.40	0.20-0.60	≤0.030	≤0.030	0.20-0.55	0.40-0.80	≤0.65
Q295NH	≤0.15	0.10-0.50	0.30-1.00	≤0.030	≤0.030	0.25-0.55	0.40-0.80	≤0.65
Q355NH	≤0.16	≤0.50	0.50-1.50	≤0.030	≤0.030	0.25-0.55	0.40-0.80	≤0.65
Q415NH	≤0.12	≤0.65	≤1.10	≤0.025	≤0.030	0.25-0.55	0.30-1.25	0.12-0.65
Q460NH	≤0.12	≤0.65	≤0.15	≤0.025	≤0.030	0.20-0.55	0.30-1.25	0.12-0.65

GB/T 4171 steel plate mechanical properties:

Material	Yieldstrength(MPa) min for T in mm				Tensilestrength(Mpa)	Elongation(%)
Material	≤16	>16≤40	>40≤60	>60	Tensilestrength(Mpa)	≤16	>16≤40	>40≤60	>60
Q355GNH	355	345	-	-	490-630	22	22	-	-
Q310GNH	310	-	-	-	≥450	26	-	-	-
Q295GNH	295	285	-	-	430-560	24	24	-	-
Q265GNH	265	-	-	-	≥410	27	-	-	-
Q235NH	235	225	215	-	360-510	25	25	24	23
Q295NH	295	285	275	255	430-560	24	24	23	22
Q355NH	355	345	335	325	490-630	22	22	21	20
Q415NH	415	405	395	-	520-680	22	22	20	-

GB/T 4171 steel plate equivalent grades:

GB/T4171-2008	ISO 4952-2006	ISO5952-2005	EN10025-5: 2004	JIS G3114-2004	JIS G3125-2004
Q235NH	S235W	HSA235W	S235J0W,J2W	SMA400AW,BW,CW	-
Q355NH	S355W	HSA355W2	S355J0W,J2W,K2W	SMA490AW,BW,CW	-
Q355GNH	S355WP	HSA355W1	S355J0WP,J2WP	-	SPA-H
Q460NH	S460W	-	-	SMA570W,P	-

Application

GB/T 4171 steel plate application:
GB/T 4171 steel plate atmospheric corrosion resisting structural steel is widely used to building shipping containers and offshore containers, such as schedule waste storage container, weather shelters, tool boxes, workshop containers and so on.

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