type
size
1/2"-72"(DN15-DN1200)1.5*1.5~80*80
connection
welding
technic
forged
varieties
SCH20, SGP, STD, SCH40, SCH80, SCH160

material
carbon steel ,alloy steel ,stainless steel WPBA234,Q235,20#,A420 A403-WP304,A403-WP316,A403-WP316L,A403-WP317,A403-WP321 etc.
standard
BS, DIN ,JIS,etc. ANSI B16.9/16.28, ASTM,API 5L, DIN2605/2615/2616, JIS P2311/2312 ASME B36.10M---1996
connection
welding
quality
first grade
Certification
ISO9001 - 2000, CE, SGS, etc.
Application
petroleum, electricity, chemicals, natural gas, construction, shipbuilding and other fields because of its high pressure, high temperature, etc