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Weathering steel plate rusts

What are the characteristics of weathering steel plate
1. The weather-resistant steel plate can resist certain corrosion. It is generally used in containers, vehicles, and steel structures on bridges.
2. When the weather-resistant steel plate is compared with the fluorocarbon steel, the corrosion resistance of the weather-resistant steel plate in the normal environment will be better. And when the weather-resistant steel plate is compared with stainless steel, metal elements, such as copper and chromium, are added to the weather-resistant steel plate. Although the metal elements in it are only a few percent, but stainless steel will account for more than ten percent, so it is particularly cost-effective in terms of price.

Weathering steel plate specification

Specification
Steel Grade	GB: Q195, Q215, Q235A, Q235B, Q235C, Q235D, Q255A, 255B, Q275, Q295A, Q295B, Q345B,Q345C,Q345D,Q345E,Q390A,Q390B,Q390C,Q390D,Q390E,Q420,Q420B,Q420C,Q420DQ420E,Q460D, Q460E, Q500D, Q500E, Q550D, Q550E, Q620D,Q620E,Q690D,Q690E EN: S185, S235JR, S275JR, S355JR, S420NL, S460NL S500Q, S550Q, S620Q, S690Q ASTM: Grade B, Grade C, Grade D, A36, Grade 36, Grade 40, Grade 42, Grade 50, Grade 55, Grade 60, Grade 65, Grade 80 JIS: SS330, SPHC, SS400, SPFC, SPHD, SPHE
Standard	GB/T709-2006, ASTM A36, JIS G4051, DIN EN 10083, SAE 1045, ASTM A29M
Thickness	0.15mm-300mm
Width	500-2250mm
Length	1000mm-12000mm or according to customer's special request
Tolerance	Thickness: +/-0.02mm, Width:+/-2mm
MOQ	2 Tons
Application	1.Automobile, Bridges, Buildings. 2.Machinery, Pressure vessel industries. 3.Ship building, Engineering construction. 4.Mechanical manufacturing, Pavement slab, ect.
Package	Bundle with steel strip,Container shipping
Capacity	200000 tons /month
Mill MTC	can be supplied before shipment
Inspection	The Third Party inspection can be accepted,SGS,BV

Weathering steel plate chemical composition

Grade	C	Si	Mn	P	S	Cu	Cr	Ni
Q235NH	≤0.13'	0.10-0.40	0.20-0.60	0.03	≤0.030	0.25-0.55	0.4-0.8	≤0.65
Q265GNH	≤0.12	0.10-0.40	0.20-0.5	0.07-0.12	≤0.020	0.20-0.45	0.3-0.65	0.25-0.50
Q295GNH	≤0.12	0.10-0.40	0.20-0.5	0.07-0.12	0.02	0.20-0.45	0.3-0.65	0.25-0.50
Q295NH	≤0.15	0.1-0.50	0.3-1	≤0.030	≤0.030	0.25-0.55	0.4-0.8	≤0.65
Q310GNH	≤0.12	0.25-0.75	0.20-0.5	0.07-0.12	≤0.020	0.20-0.5	0.3-1.25	≤0.65
Q355NH	0.16	≤0.50	0.5-1.5	≤0.030	≤0.030	0.25-0.55	0.4-0.8	≤0.65
Q415NH	≤0.12	≤0.65	1.1	≤0.025	0.03	0.20-0.55	0.30-1.25	0.12-0.65
Q460NH	0.12	≤0.65	1.5	≤0.025	≤0.0304	0.20-0.55	0.30-1.25	0.12-0.65
Q500NH	≤0.12	≤0.65	≤2.0	0.025	≤0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q550NH	0.16	≤0.65	≤2.0	0.025	≤0.0304	0.20-0.55	0.30-1.25	0.12-0.65