... ASTM , DIN, JIS, EN, API, BS Standard 4) SGS, VOC, BV, CE api 5l carbon steel pipeKEY WORDS: ... ISO9001: 2000, PED(Pressure Equipment Directive), API 5L, API 5CT, TS16949, DNV, KR 3) Standard: ASTM/ASME - A106, A53, A179 ... ST35.8/ST45.8), DIN2391(ST35/ST45/ST52) API - LINE PIPE(B/X42/X46/X52/X60, ... , middle, low pressure boiler and pressure purpose Production Standard, Grade, Steel No: ASTM A178 Grade A, ...