Stainless steel: 304 304L 316 316L 321 2520 310,317, and other materials Path:. DN15-DN1200 wall thickness: SCH5-SCH160 standard: ASME DIN JIS BS GB / T JB SH HG, as follows: GB / T12459-2005, GB / T13401-2005, ASME B16.9, SH3408, SH3409, HG / T21635, DL / T695, SY / T0510, DIN2617 uses: water, soft drinks, beer, food, petrochemical, nuclear power, machinery, medical equipment, fertilizer, shipbuilding , water treatment, pipeline and other packaging: wooden, cardboard disc cap of r at avoiding stitching, will thinned, high stress.