Stainless steel tube use: industrial stainless steel tube: heat exchangers, boilers, petroleum, chemical, fertilizer, chemical, pharmaceutical, nuclear power and so on. Fluid stainless steel tube: Water supply systems, medical equipment and so on. Mechanical structure with stainless steel tube: dyeing, printing, textile machinery, medical equipment, kitchen equipment, automobile and ship fittings, construction and other decorations. Stainless steel pipe Standard: China GB / T14976, GB / T14975, GB / T3280, GB / T4237, GB / T1220; American ASTM A312, A312M, ASTM A213, A213M, ASTM A240; Japan JIS G 4304, JIS G4304, JISIG4303 stainless steel tube (seamless) features 1, chemical analysis: The chemical composition of the material for chemical analysis, chemical composition meet the standard requirements. 2, pressure. Hydrostatic test on pressure pipe branch into it by the hydrostatic test, at a predetermined pressure value is not less than 5 seconds remain, non-disclosure, conventional supply hydraulic pressure test to 2.45MPa. Air pressure test is P = 0.5MPAa. 3, corrosion test: the corrosion-resistant steel for industrial or both according to standard protocols carried etching method of steel corrosion test, not a tendency to intergranular corrosion. 4, process performance test: The flattening test tensile test impact test flaring test hardness test metallurgical test bending test NDT (including eddy current testing .X-ray inspection and ultrasonic testing)........ 5. Standard: China: GB / T14975-2002.GB / T14976-2002.GB13296-91.GB9948-88 GB5310-95.GB2270-80 America:. ASTM A213 / A213-99a.ASTN312 / A312M-00b.ASTM A269-00.AS 511-96 Japan:. JIS3463.JIS3446.JIS3448.JIS3459 Germany: DIN2462 theoretical weight: Cr-Ni austenitic stainless steel W = 0.02491S (DS) Cr-Ni-Mo austenitic stainless steel (kg / m) S- thickness (mm) D- diameter (mm) to provide services: a, can provide stainless steel deep processing b according to customer requirements, are available upon request stainless steel capillary: diameter 1.0-5.0mm * thickness of 0.15-1.0 mm c, provides product specifications and other conventional thickness d according to customer requirements, and offers a variety of shaped tube e length according to customer requirements, we can provide all kinds of precision cold-rolled f, according to customer requirements to provide side according to customer requirements, rectangular tube brushed surface g, available according to customer requirements in the sanitary, outside polished steel