Material: Carbon Steel: ASTM A234 WPB, WPC, ASTM A420 WPL1, WPL3, WPL6 etc;
Stainless Steel: ASTM A403 WP304/304L, WP316/316/L, WP317L, WP321, WP347 & WPS31254 ,
Alloy Steel: ASTM A234 WP1/WP12/WP11/WP22/WP5/WP7/WP9/WP91;
Duplex and super duplex steel: ASTM A815 UNS S31803/S32205/S32750/S32760 .
End Bevel: According to the standard or the customer's requirements.
Manufacture Standard: ASME B16.9,ASME B16.11,ASME B16.28 ,MSS SP-43,JISB2311,JIS B2312,JIS B2313,DIN 2605,DIN 2606 ,DIN2615,DIN2616 ,BG12459-90,GB/T13401,HGJ514 ,SH3408 ,SH3409, HG/T21635, HG/T21631.
Non-destructive testing: penetration test, ultrasonic test, radiographic test, any third parties inspection.
Product application: Electric power industry, petroleum industry, nuclear power industry, petrochemical industry, oil and gas industry, ship-making industry, chemical industry, pharmaceutical industry, papermaking industry, building construction industry.