Requirements can withstand acid, sulfuric acid - ferric sulfate, nitrate, nitric acid - hydrofluoric acid, sulfuric acid - copper sulfate, phosphoric acid, formic acid, acetic acid and other corrosive 316 stainless steel pipe joints, widely used in chemical, food, pharmaceutical, paper , oil, nuclear and other industries, as well as construction, kitchen utensils, cutlery, vehicles, household appliances all kinds of parts. Bao Jie Tianjin Shengda Trading Company Wholesale Large stainless steel pipe, stainless steel plate, stainless steel rods, and a variety of customized stainless steel door can seam 304 stainless steel pipe, stainless steel rails industrial seam stainless steel pipe, stainless steel fence, stainless steel eyewash, etc., please contact the phone negotiations on the 304 weight management formulas :( OD - Wall Thickness) × wall thickness × 0.02491 = weight per meter (kg) mechanical properties of yield strength (N / mm2) ≥205 ≥520 tensile elongation (%) ≥40 Hardness HB ≤187 HRB≤90 HV≤200 density 7.93 g · cm-3 specific heat c (20 ℃) ??0.502 J · (g · C) -1 Thermal conductivity λ / W (m · ℃) -1 ( In the following temperature / ℃) 20 100 50012.1 16.3 21.4 linear expansion coefficient α / (10-6 / ℃) (/ ℃) 20 ~ 10020 ~ 200 20 ~ 300 20 ~ 40016.0 16.8 17.5 18.1 resistivity at room temperature below 0.73 Ω · mm2 · m-1 melting point of 1398 ~ 1420 ℃ seam stainless steel pipe | stainless steel pipe joints | Shengda-commerce provided by Tianjin Bao Bao Jie Shengda Trading Company. Bao Jie Tianjin Shengda Trading Company (www.sdbjsm.com) strong, credible, in Tianjin's daily hardware industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shengda treasure-commerce and you hand into the brilliant, for a better future!