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Carbon steel flange The main material for flange are carbon steel, stainless steel and alloy steel . 1. ANSI FLANGES Standard: ANSI B16.5 ANSIB16.47 ANSI B16.48 Types: Welding neck flanges, slip on flanges, thread flanges, socket welding flanges, blind flanges, lap joint flanges, ring joint flanges, long welding neck flanges, figure 8 blanks PRESSURE GRADE: Class 150, Class300, , Class900, Class1500, Class2500 Size :1/2 NB TO 48NB 2. DIN FLANGES Standard: Din2527, DIN2566, DIN2573, DIN2641, DIN2642, DIN2600, DIN2656, DIN2627, DIN2628, DIN2629,DIN2631, DIN2632, DIN2633, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673 Types: Welding neck flanges , slip on flanges, thread flanges, socket welding flanges, blind flanges Pressure Grade: 6bar, 10bar, 16bar, 25bar, 40bar SIZE:DN10-DN1000 3. JIS B2220 FLANGES Types: sop type, soh type, pleate flanges, blind flanges Pressure class:5K, 10K, 16K, 20K, 30K SIZE: 10A-1500A 4. BS FLANGES Standard: BS4504 SEC3.1: Welding neck flange(111/134), Hubbed Slip on Flanges(113), Lapped Pipeend FlangesE(133), Plate Flanges(101), Loose Plate Flanges(102), Loose plate with weld-neck flanges(104), blank flanges(105) Standard:BS4504(PART-1) PRESSURE GRADE: PN2.5 TO PN40 Standard:BS 10:Welding neck flanges, Plate Slip-on flanges, screwed boss flanges, slip on boss flanges, blind flanges TYPES: Table:D, E, F, H SIZE:1/2 NB TO 48NB 5. EN 1092-1:2001 FLANGES SIZE:TYPE1(plate flanges); TYPE2(loose plate flanges); TYPE5(blank flanges); TYPE11(weld-neck flanges); TYPE12(hubbed slip-on flanges for welding) TYPE13(hubbed threaded flanges) Pressure class:ON2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100 SIZE:1/2 TO48 6. GOST FLANGES: TYPE:PLATE FLANGES(GOST12820-80), BLING FLANGES(GOST 12836-67), WELDING NECK FLANGES(GOST12821-80), STEEL BUTT-WELDED FLANGES (GOST12821-80) PRESSURE Class: PN=0.6PN=10.0(100/2) SIZE:1/2 TO 48 7. AS2129 AND AS4087 FLANGES TYPE: 1.plate flanges table D bling,2 plate flanges table D slip on drelled 3.plate flanges table E blind 5.Flanges tables H blind 6.plate flanges table H slip on drilled 7. DIN PN16 Plate flanges 8. Forged flanges table D slip 9. forged flanges table D screwed 10. forged flanges table D screwed GAL, 11. Forged flanges table E slip on 12. Forged flanges table T table E screwed 13. forged flanges table R screwed GAL 14 Forged flanges table H slip on 15 forged flanges table H screwed SIZE :1/2 TO 48