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Weathering Steel Plate and Coil for Welding structure

Weathering Steel Plate and Coil for Welding structure

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Style	Grade	Standard	Spec (mm) Coil	Spec (mm) Plate	Characteristic	Application Area
Welded weathering steel	Q235NH S235J0W S235J2W S235WB/WD	GB/T4171 EN10025.5-2004 ISO4950-2006	1.5-19mm	6-50mm	Very good Welding performance	By improving the performance of corrosion resistance and extending the service life of structural parts significantly,the products apply to manufacture all kinds of structural parts which work in the atmospheric environment and corrosive gases & liquids.
	Q295NH	GB/T4171 Or Technical Agreement	1.5-19mm	6-50mm
	Q355NH S355JOW S355J2W S355K2W S355W2C/W2D A588M GR.K	GB/T4171 EN10025.5-2004 ISO4950-2006 ASTM A588M	1.5-19mm	6-50mm
	Q415NH A871M G60 S415WA/WD	GB/T4171 ASTM A871M ISO4950-2006	1.5-19mm	6-50mm
	Q460NH A871M G60 S460WA/WD	GB/T4171 ASTM A871M ISO4950-2006	1.5-19mm	6-50mm
	Q500NH	GB/T4171	1.5-19mm	6-50mm
	Q550NH	GB/T4171	1.5-19mm	6-50mm

Grade	Chemical Component/%
Grade	C	Si	Mn	P	S	Cr	Cu	Ni
Q235NH	≤0.13	0.1-0.5	0.2-0.6	≤0.030	≤0.030	0.4-0.8	0.25-0.55	≤0.65
S235J0W	≤0.13	≤0.40	0.2-0.6	≤0.035	≤0.03	0.40-0.80	0.25-0.55
S235J2W	≤0.13	≤0.40	0.20-0.6	≤0.035	≤0.035		0.25-0.55
Q295NH	≤0.15	0.1-0.5	0.3-1.0	≤0.030	≤0.030	0.4-0.8	0.25-0.55	≤0.65
Q355NH	≤0.16	≤0.50	0.5-1.5	≤0.030	≤0.030	0.4-0.8	0.25-0.55	≤0.65
S355JOW	≤0.13	≤0.40	0.2-0.6	≤0.035	≤0.03	0.40-0.80	0.25-0.55
S355J2W	≤0.13	≤0.40	0.2-0.6	≤0.035	≤0.03	0.40-0.80	0.25-0.55
S355K2W	≤0.16	≤0.50	0.5-1.5	≤0.03	≤0.03	0.30-1.25	0.25-0.55
A588 GR.K	≤0.17	0.25-0.5	0.50-1.20	≤0.04	≤0.05	0.30-0.5	0.30-0.5
Q415NH	≤0.12	≤0.65	≤1.1	≤0.025	≤0.030	0.3-1.25	0.25-0.55	0.12-0.65
A871M	≤0.19	0.30-0.65	0.80-1.35	≤0.04	≤0.05	0.40-0.70	0.25-0.40	0.4
Q460NH	≤0.12	≤0.65	≤1.5	≤0.025	≤0.030	0.3-1.25	0.25-0.55	0.12-0.65
Gr65	≤0.17	0.25-0.50	0.50-1.20	≤0.04	≤0.05	0.40-0.70	0.30-0.50	0.4
Q500NH	≤0.12	≤0.65	≤2.0	≤0.025	≤0.030	0.3-1.25	0.25-0.55	0.12-0.65
Q550NH	≤0.16	≤0.65	≤2.0	≤0.025	≤0.030	0.3-1.25	0.25-0.55	0.12-0.65

Weathering steel for welding structure

Mechanical Property
Grade	Yield Strength/MPa	Tensile Strength/MPa	Elongation/%
Q235NH	≥235	360-510	≥25
S235J0W	≥235	360-510	≥25
S235J2W	≥235	360-510	≥25
Q295NH	≥295	430-560	≥24
Q355NH	≥355	490-630	≥22
S355JOW	≥355	490-630	≥22
S355J2W	≥355	490-630	≥22
S355K2W	≥355	490-630	≥22
S355JOWP	≥355	490-630	≥22
S355J2WP	≥355	490-630	≥22
Q415NH	≥415	520-680	≥22
A871M Gr60	≥415	≥520	≥18
Q460NH	≥460	560-730	≥20
A871M G65	≥450	≥550	≥17
Q500NH	≥500	600-760	≥18
Q550NH	≥550	620-780	≥16

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