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Weathering steel plate is a kind of natural weathering steel plate with atmospheric corrosion resistance, characteristic corrosion and oxidation, which has been obtained in many fields. The common bas
Read MorePhosphorus element (P element) is brought into steel by ore. Generally speaking, phosphorus is also harmful element. Although phosphorus can increase the strength and hardness of hardness of SMA490CW
Read MoreMechanical properties of SMA400AW bridge weathering steel, Q420qENH steel plate:The thickness of Q420qENH is not more than 50mm, the yield strength is not less than 420MPa, the tensile strength is not
Read MoreThe Indonesia INKA is the only train carriage maker for railway industry in Indonesia. We cooperated with them since 2012 and supply them SPA-H steel. The SPA-H steel is used by them to fabricate trai
Read MoreChemical composition of JIS G 3114 grade SMA400BW tensile strength, Q420qENH steel plate:
Carbon C: not more than 0.11, silicon Si: 0.15-0.50, manganese Mn: 1.10-1.50, niobium Nb: 0.01-0.1, vanadium V
JIS G 3114 steel SMA400AW, Q420qENH steel plate is a kind of weathering steel plate for bridge. Weathering steel, i.e. atmospheric corrosion resistant steel, is between ordinary steel and stainless st
Read MoreBoth the cross rolling method and the extrusion method must first heat the tube blank or ingot, and the steel tube produced is called hot rolling tube. Steel pipes produced by hot working can sometime
Read MoreQuenching and tempering (QT) is a double heat treatment process of quenching and high temperature tempering. In general, medium carbon steel and medium SMA490AP atmospheric corrosion resisting steel c
Read MoreSMA400CW weather resistant steel material product plate production process:Raw materials (scrap steel, pig iron and molten iron) → electric furnace (100 tons electric arc furnace smelting) →
Read MoreUnder the action of the roller and the plug, a cavity is formed in the blank, which is called the blank. Then send it to the automatic tube rolling machine to continue rolling. Finally, the wall thick
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