Carbon Steel

Pipes		Fittings	Flanges
A106 grade B		A234 WPB + WPC	A105
A333 grade 6		A420 WPL6	A350 LF2
A333 grade 3		A420 WPL3	A350 LF3
API 5L grade B X42		A860 WPHY42	A694 F42
API 5L grade B X52		A860 WPHY52	A694 F52
API 5L grade B X60		A860 WPHY60	A694 F60
API 5L grade B X65		A860 WPHY65	A694 F65
API 5L grade B X70		A860 WPHY70	A694 F70

Aloy Steel

Pipes		Fittings		Flanges
A355 grade P1		A234 WP1		A182 F1
A335 grade P5		A234 WP5		A182 F5
A335 grade P9		A234 WP9		A182 F9
A335 grade P11		A234 WP11		A182 F11
A335 grade P12		A234 WP12		A182 F12
A335 grade P22		A234 WP22		A182 F22
A335 grade P91		A234 WP91		A182 F91

Stainless Steel

 

Pipes		Fittings	Flanges
A312 / A358 TP304 (L/H)	UNS S 30400	A403 WP304 (L/H)	A182 F304 (L/H)
A312 / A358 TP316 (L/H/Ti)	UNS S 31600	A403 WP316 (L/H/Ti)	A182 F316 (L/H/Ti)
A312 / A358 TP 321 (H)	UNS S 32100	A403 WP321 (H)	A182 F321 (H)
A312 / A358 TP 347 (H)	UNS S 34700	A403 WP347 (H)	A182 F347 (H)
A790 6 Mo	UNS S 31254	A815 UNS S31254 6Mo	A182 F44 6Mo
A790 Duplex	UNS S 31803	A815 UNS S31803 Duplex	A182 F51 Duplex
A790 Super Duplex	UNS S 32750 / 32760	A815 UNS S32750 Super Duplex	A182 F55/F53 Super Duplex