Product description

Spectacle Blind Flanges Features

Forming:forged SIZE：1/2"---48"
Standard：ASME B16.48

Spectacle Blind Flanges Materials

Stainless Steel ：
OCr18Ni9, 0Cr18Ni9Ti, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, 00Cr19Ni10, 00Cr17Ni14Mo2, 

ASTM A182-F304, F304L, F304H, F316, F316L, F321, F321H, F347

Super Stainless Steel:

ASTM A182-904L, 317, 317L

Duplex Stee：

ASTM A182-F51, F53, F44

Special steel：

N06600, N08800, N08811

Alloy Steel：

16Mn, 12CrMo, 15Cr5Mo, Cr5Mo, 12Cr1MoV, ASTM A182-F11, F22, F91 F9  F5

Pipeline Steel：

ASTM A694-F42, F46, F48, F50, F52, F56, F60, F65, F70, F80

Carbon Steel:
ASTM A350-LF2, LF3  Q235A, 20#, ASTM A105