Weather Resistant Steel ASTM A871 Type2Gr60 supplier


A871Type2Gr65 Corrosion Resistant Steel Description
A871Type2Gr65 is a corrosion resistant steel, also can be called weathering resistant steel or atmosphere corrosion resistant steel. A871Type2Gr65 also is a high strength low alloy steel, so it is suitable for a lot of applications exposed the weather condition. With its good property , A871Type2Gr65 is suitable for welded bridges and other structures with the longer life cycle due to its corrosion resistant properties.

Why Choosing A871Type2Gr65 Corrosion Resistant Steel
A871Type2Gr65 steel is becoming more popular by roll formed product end-users. Its unique look and naturally oxidizing finish make it especially desirable for many architectural projects. A871Type2Gr65 has increased resistance to atmospheric corrosion when compared to other steels. A871Type2Gr65 resists the corrosive effects of rain, snow, ice, fog, and other meteorological conditions by forming a coating of dark brown oxidation over the metal, which inhibits deeper penetration and save the cost for painting or rust-prevention maintenance.

Theory of A871Type2Gr65 Corrosion Resistant Steel Stop rusting
A871Type2Gr65 Steel never completely stops rusting. The weathering process occurs after the panel come out. It eventually decreases and from that point on the finish acts as a protective coating for the base metal.

This protective coating essentially stops the corrosion. Laboratory analysis of the rust have shown that the alloying elements in the steel, such as copper, chromium, and nickel produced insoluble compounds that clogged the pores at the rust and steel interface, thereby ending the regeneration.

Application of A871Type2Gr65 Corrosion Resistant Steel
ASTM A871Type2Gr65 is mainly used for welded, bolted and riveted constructions e.g. steel frame structures, bridges, tanks and containers, exhaust systems, vehicles and equipment constructions.

A871Type2Gr65 Supply size
Thickness:4-200mm Width:1500mm-3000mm Length:6000mm-12000mm

A871Type2Gr65 Delivery Condition:
Hot Rolled, Cold Rolled, Normalized, Quenched, Tempering, Thermal Mechanical Control Process (TMCP)

Chemical composition and Mechanical property of A871Type2Gr65
Grade C% Si% Mn% P% S% Cu% V% Cr% Ni%
A871Type2Gr65 0.20 0.15-0.50 0.75-1.35 0.040 0.050 0.20-0.40 0.01-0.10 0.4-0.70 0.40

Grade Yield Strength Tensile Strength Elongation %
A871Type2Gr65 ≥450 MPa ≥550 MPa 15-17

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