... Our products comply with ASTM,DIN,JIS.GOST and ect. 1. Commodity: Seamless stainless steel pipe/tube2. Process method: Cold ... A213,DIN,JIS,GOST 9941-81 6. Size: A) NPS: 1/8" to 10" B) Schedule: 5/5S, 10/10S, 20/20S ... B36.19 C) O. D.: 10 mm to 273 mm D) W. T.: 1 mm to 20 mm E) Length: Max. 15 ... cases/bundle packaging 9. Certificate: ISO 9001: 2008 NPS: 1/8" to 10" 321 seamless stainless steel pipes