Main Flange Standard

American (Oil & Gas Dominant)

·Process Flanges: ASME B16.5, ASME B16.47 (Series A & B, Covers API 605 & MSS SP-44)

·Line Blinds: ASME B16.48 (Spectacle Blinds)

·Orifice Flanges: ASME B16.36

·High Pressure / Wellhead: API 6A (Type 6B & 6BX)

·Water Works: AWWA C207

European (DIN / EN)

·Current Standard: EN 1092-1 (Types 01, 02, 05, 11, 12, 13)

·German (Legacy): DIN 2527 (Blind), DIN 2573/2576 (Plate), DIN 2630-2638 (WN)

·Italian (Legacy): UNI 2276-2278, UNI 6091-6099

·British (Legacy): BS 4504, BS 10 (Table D, E, F)

Russian / GOST (CIS Market)

·New Standard: GOST 33259-2015

·Legacy Standards: GOST 12820-80 (Plate), GOST 12821-80 (WN), GOST 12836 (Blind), ATK 24.200.02-90

Asian & Oceanian

·Japan: JIS B2220 (5K, 10K, 16K, 20K)

·Korea: KS B 1503

·Australia: AS 2129 (Table D, E, H), AS 4087

African

·South Africa: SABS 1123

Specialized

·Offshore Piping: EEMUA 234 (incorporating EEMUA 145)

·Hydraulic Flanges: SAE J518 / ISO 6162

·Compact Flanges: ISO 27509 / NORSOK L-005 / ASME Code Case 2904

Main Flange Material

Carbon & Low Temperature Steel

·Carbon Steel: ASTM A105 / A105N (Normalized)

·Low Temp. Carbon Steel (LTCS): ASTM A350 LF1, LF2 (Class 1 & 2), LF3, LF6, ASTM A516 Gr.60 / Gr.70(For Blinds)

High Yield Pipeline Steel

·ASTM A694: F42, F46, F52, F56, F60, F65, F70 (Typically matches API 5L X-grades)

Alloy Steel (High Temperature)

·ASTM A182: F1, F5, F9, F11, F12, F22, F91, F92

·European / DIN Standard: 16Mo3, 13CrMo4-5, 10CrMo9-10, 15CrMo, X10CrMoVNb9-1 (P91 equivalent)

Stainless Steel

·Standard: ASTM A182 F304/F304L, F316/F316L

·High Temp: ASTM A182 F321/F321H, F347/F347H, F310S

·Corrosion Resistant: ASTM A182 F317L, F904L (Uranus B6)

·6Mo / Super Austenitic: ASTM A182 F44 (UNS S31254 / 254 SMO)

Duplex & Super Duplex Steel

·Duplex: ASTM A182 F51 / F60 (UNS S31803 / S32205 / Duplex 2205)

·Super Duplex: ASTM A182 F53 (UNS S32750 / 2507), F55 (UNS S32760 / Zeron 100)

Nickel Alloys & Non-Ferrous

·Nickel 200/201: ASTM B564 UNS N02200 / N02201

·Monel 400: ASTM B564 UNS N04400

·Inconel 600 / 625: ASTM B564 UNS N06600 / N06625

·Incoloy 800 / 800H / 825: ASTM B564 UNS N08800 / N08810 / N08825

·Hastelloy C276: ASTM B564 UNS N10276

·Copper-Nickel (Cu-Ni): 90/10 (C70600), 70/30 (C71500)

·Titanium: ASTM B381 Gr.2, Gr.5

·Aluminium: ASTM B247 1050, 1060, 1100, 5083-H112, 6061-T6