Specification of GB Q235NH steel grade sheet/coil

The company has allocated special environmental protection facilities for all pollution sources, strengthened the recycling of waste resources and improved the efficiency of resource utilization At present, the recovery and utilization rate of solid wastes such as iron slag, steel slag, iron bearing dust, steel mill scale, environmental protection dust has reached 100%,GB Q235NH steel grade.

GB Q235NH steel grade,Composite steel plate is a composite steel plate which is made of carbon steel or low alloy steel as the base material and coated with stainless steel, titanium alloy and other composite materials, or sandwiched with other metal or non-metal materials between two layers of steel and processed by pressure or blasting. It is mainly used to make chemical equipment and chemical storage tank, or obtain special functions such as shock absorption. The manufacturing methods of composite steel plate include rolling method and explosion method, but most of them are rolling method.

15CrMo alloy steel plate is pearlite structure heat-resistant steel, which has high heat strength (δb≥440MPa) and oxidation resistance at high temperature, and has certain resistance to hydrogen corrosion. Due to the high content of Cr, C and other alloying elements in steel, the hardening tendency of steel is obvious and the weldability is poor. 15crmo alloy steel plate is mainly used in petroleum, petrochemical, high-pressure boilers, etc.

Blast furnace ironmaking is a traditional ironmaking method based on coke energy It cooperates with converter steelmaking and is the main method of producing steel at present This dominance of blast furnace ironmaking is not expected to change for quite a long time The essence of blast furnace ironmaking is the reduction of iron Besides, coke is used as fuel and reducing agent At high temperatures, iron ore or iron-containing raw materials are reduced from an oxide or mineral state to liquid pig iron,GB Q235NH steel grade.

GB Q235NH steel supplier: In January, 2019, our South Africa customer purchased 669 tons S235J2+N carbon steel and GB Q235NH steel plates to use in their tank fabrication project . S235J2 steel, as a non-alloy structural steel grade, is mainly used in structural projects and tanks. J2 symbol -20 temperature impact test. The client required CEV 0.38%, S≤0.01%, 100% UT, Charpy V-notch impact test at-20℃, Z25 for S235J2+N plates. After they receiving the S235J2+N steel plates, the customer are very satisfied with the quality of this batch of products.

Specification of GB Q235NH steel grade sheet/coil with the thickness range is 1.2-40mm, the width range is 1220-4200mm, and the length range is 5000-18000mm.  GB Q235NH steel mechanical properties is the yield strength 300MPa, and the tensile strength 460MPa. To be specified in details: Maximum content for C≤0.28%, Mn≤1.4%, P≤0.030%, S is 0.030%, V+Nb+Ti≤0.15%, Copper maximum is 0.50%, nickel maximum 0.50%, chromium 0.50%, Molybdenum 0.15%.

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