The ultimate strength of the columns using STK490 outer steel tubes was about 20% to 26% than that of ones with STK400 outer steel tubes. With an increase in the concrete strength and wall STK490 steel(plate) China JIS G 3444 Stk400 Stk490 Stk500 ERW Structural Steel STK490 steel(steel) Stainless Steel Pipe, Stainless Steel Tube, Steel manufacturer / supplier in China, offering JIS G 3444 Stk400 Stk490 Stk500 ERW Structural Steel Pipes, Prepainted Galvanized Steel Sheet/ PPGI Iron Coil, 15s20/1.0723 15smn13 210A15 1119/G11190 1213/G12130 Free Cutting Steel Pipe and so on.
Square Steel Pipe, Square Steel Tube, Square Tube manufacturer / supplier in China, offering JIS G3101 Ss400 JIS G3466 Stkr400 Stkr490 / JIS G3444 Stk400 Stk500 Stk490 Stk540 New Indent Iron Square Tube Retangular Pipe, Factory Directly Sell Light Prefabricated Building Steel Structure Made in China, Light Prefabricated Warehouse Building Section Steel Structure and (plate) China Steel Tube JIS G3444 STK 400
42CrMo4 precision seamless steel tube for auto parts chemical composition Carbon C 0.380.45% Silicon Si 0.170.37% Manganese Mn 0.500.80% Sulfur S Allow residual content 0.035% Phosphorus P allowable residual content 0.035% Chromium Cr 0.901.20% Nickel Ni allowable residual content 0.30% Copper Cu allowable residual content 0.30% Mo (plate) Some results are removed in response to a notice of local law requirement. For more information, please see here.
Heat Treatment of steel grade STK490. Heat treated 1387°C 14 YRS. 50.0%. Contact Supplier. 1/6. nps 14"" sch140 jis g3444 stk400 steel pipe with building pipes lsaw. US $366.00-$430.00 / Ton. 1.0 Tons (Min. Order) CN Tianjin Xinyue Industrial And Trade STK490 steel
· 20 Years of experience in the Steel field
· 500,000 MT production capacity per year.
· 100+ exporting markets covering global main countries and regions.
· 2000+ MT stock per month with different materials and sizes.
· 150+ projects each year, covering oil tank, shipbuilding, oil&gas pipeline, drilling, offshore, energy, construction industries.
Our Steel Products' Certificates: