Steel Flanges

We supply high quality steel flanges in variables sizes for different applications in waterworks, petrochemicals, refineries, chemical industry, construction works etc.

Range: 15 NB to 2400 NB in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS available with NACE MR 01-75

Form:

l       Socket Weld

l       Slip On

l       Blind

l       Lapped

l       Screwed/ THREADED

l       Weld Neck

l       Long Weld Neck/ORIFICE WELDING NECK

l       Reducing

l       Spectacle

l       Ring Joint FACINGS

l       RTJ GROOVE

l       SPADED

l       Anchor Flange

l       Compact Flange

 

Stainless Steel Flanges

Standard: ASTM / ASME A/SA 182
Grade: F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.

 

Nickel Alloy Flanges

Standard: ASTM / ASME SB 564 / 160 / 472
Grade: UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 2201 (NICKEL 201), (ALLOY 20 / 20 CB 3)

 

Carbon Steel & Alloy Steel Flanges

Standard: ASTM / ASME A/SA 105 / 350 LF 2, ASTM A694
Standard: ASTM / ASME A/SA 182
Grade: F5, F9, F11, F12, F22, F91, F42 - F100

 

Copper Alloy & Duplex Steel Flanges

Standard: ASTM / ASME SB 61 / 62 / 151 / 152.
Grade: UNS NO. C 92200, UNS NO. C 83600, UNS NO. 70600, 71500, C 70600 (CU -NI- 90/10), C 71500 (CU -NI- 70/30), UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200
Standard: ASTM / ASME A/SA 182
Grade: F5, F9, F11, F12, F22, F91.

 

 

ASME STANDARDS

l       ASME B 16.5: Pipe Flanges and Flanged Fittings

l       ASME B 16.36: Orifice flanges

l       ASME B 16.47: Large diameter steel flanges

l       ASME B 16.48: Line blanks

 

UNI STANDARDS

l       UNI 2223: Flange metalliche per tubazioni

l       UNI 6100: Flange metalliche per tubazioni. Tolleranze e contrassegno

l       UNI 2280: PN 6 Flange a collarino a saldare di testa

l       UNI 2281: PN 10 Flange a collarino a saldare di testa

l       UNI 2282. PN 16 Flange a collarino a saldare di testa

l       UNI 2283: PN 25 Flange a collarino a saldare di testa

l       UNI 2284: PN 40 Flange a collarino a saldare di testa

l       UNI 2285: PN 64 Flange a collarino a saldare di testa

l       UNI 2286: PN 100 Flange a collarino a saldare di testa

l       UNI 6085: PN 160 Flange a collarino a saldare di testa

l       UNI 6085: PN 250 Flange a collarino a saldare di testa

l       UNI 6091: PN 6 Flange cieche

l       UNI 6092: PN 10 Flange cieche

l       UNI 6093: PN 16 Flange cieche

l       UNI 6094: PN 25 Flange cieche

l       UNI 6095: PN 40 Flange cieche

l       UNI 6096: PN 64 Flange cieche

l       UNI 6097: PN 100 Flange cieche

l       UNI 6098: PN 160 Flange cieche

l       UNI 6099: PN 250 Flange cieche

l       UNI 2229: Superfici di tenuta a gradino

 

BS STANDARDS

l       BS 3293: Specification for carbon steel pipe flanges (over 24 inches nominal size) for the petroleum industry

 

ASTM STANDARDS

l       ASTM A234: Pipe Fittings of Wrough Carbon Steel and alloy steel for Moderate and elevated Temperatures

l       ASTM A403: Wrough Austenitic Stainless Steel Pipe Fittings

l       ASTM A420: Pipe Fittings of Wrough Carbon Steel and alloy steel for low Temperatures Service

l       ASTM A53: Pipe,Steel, Black and Hot Dipped Zinc Coated Welded and Seamless

l       ASTM A106: Seamless Carbon Steel for high Temperature Service

l       ASTM A105: Forging Carbon Steel for Piping Components

l       ASTM A181: Forging Carbon Steel for General Purpose Piping

l       ASTM A182: Forged or Rolled Alloy Steel Pipe Falnges, Forged Fittings, and Valves and Parts for high temperature Service

l       ASTM A350: Forging Carbon AND Low-Alloy Steel,requiring Notch Toughness Testing for piping Components

l       ASTM A815: Wrough Ferritic, Ferritic/Austenitic and Martensitic Stainless Steel Pipe Fittings

l       ASTM A860: Wrough High Strength, Low Alloy Steel, Butt Welding Fittings

 

API STANDARD

l       API 6A: Specification for Wellhead and Christmas Tree Equipment

 

IPS STANDARD

l       IPS-M-PI-150: Standards for Flanges and Fittings

 

DIN STANDARD

l       DIN 2627: Welding Neck Flanges; Nominal Pressure 400

l       DIN 2638: Welding Neck Flanges; Nominal Pressure 160

l       DIN 2527: Blind

l       DIN 86029: Hubbed slip-on flanges for welding; nominal pressure 10

l       DIN 86030: Hubbed slip-on flanges for welding; nominal pressure 16

 

NORSOK STANDARD

l       L-005: Compact Flanged Connections
 
 
 
 
Specifications︰ PN1.0MPa（10bar）
10 90 60 14 4 M12 41 2 14 28 3
15 95 65 14 4 M12 46 2 14 32 3
20 105 75 14 4 M12 56 2 16 40 4
25 115 85 14 4 M12 65 2 16 50 4
32 140 100 18 4 M16 76 2 18 60 5
40 150 110 18 4 M16 84 2 18 70 5
50 165 125 18 4 M16 99 2 20 84 6
65 185 145 18 4 M16 118 2 20 104 6
80 200 160 18 8 M16 132 2 20 120 6
100 220 180 18 8 M16 156 2 22 140 8
125 250 210 18 8 M20 184 2 22 170 8
150 285 240 18 8 M20 211 2 24 190 10
200 340 295 22 8 M20 266 2 24 246 10
250 395 350 22 12 M20 319 2 26 298 10
300 445 400 22 12 M20 370 2 26 348 10
350 505 460 22 16 M24 429 2 26 408 12
400 565 515 22 16 M24 480 2 26 456 12
450 615 565 22 20 M24 530 2 28 502 12
500 670 620 26 20 M27 582 2 28 559 12
600 780 725 30 20 M27 682 2 34 658 12
700 895 840 30 24 M30 794 5 34 772 12
800 1015 950 33 24 M30 901 5 36 876 12
900 1115 1050 33 28 M33 1001 5 38 976 12
1000 1230 1160 36 28 M36 1112 5 38 1080 12
1200 1455 1380 39 32 M39 1328 5 44 1292 12
1400 1675 1590 42 36 M45 1530 5 48 1496 12
1600 1915 1820 48 40 M45 1750 5 52 1712 12
1800 2115 2020 48 44 M45 1950 5 56 1910 15
2000 2325 2230 48 48 M45 2150 5 60 2120 15

PN1.6MPa（16bar）
10 90 60 14 4 M12 41 2 14 28 3
15 95 65 14 4 M12 46 2 14 32 3
20 105 75 14 4 M12 56 2 16 40 4
25 115 85 14 4 M12 65 2 16 50 4
32 140 100 18 4 M16 76 2 18 60 5
40 150 110 18 4 M16 84 2 18 70 5
50 165 125 18 4 M16 99 2 20 84 6
65 185 145 18 4 M16 118 2 20 104 6
80 200 160 18 8 M16 132 2 20 120 6
100 220 180 18 8 M16 156 2 22 140 8
125 250 210 18 8 M16 184 2 22 170 8
150 285 240 22 8 M20 211 2 24 190 10
200 340 295 22 8 M20 266 2 24 246 10
250 405 350 26 12 M24 319 2 26 296 10
300 460 400 26 12 M24 370 2 26 350 10
350 520 460 26 16 M24 429 2 26 410 12
400 580 515 30 16 M27 480 2 26 458 12
450 640 565 30 20 M27 530 2 28 516 12
500 715 620 33 20 M30 582 2 28 576 12
600 840 725 36 20 M33 682 2 34 690 12
700 910 840 36 24 M33 794 5 34 760 12
800 1025 950 39 24 M36 901 5 36 862 12
900 1125 1050 39 28 M36 1001 5 38 962 12
1000 1255 1160 42 28 M39 1112 5 38 1076 12
1200 1485 1380 48 32 M45 1328 5 44 1282 12
1400 1685 1590 48 36 M45 1530 5 48 1482 12
1600 1930 1820 55 40 M52 1750 5 52 1696 12
1800 2130 2020 55 44 M52 1950 5 56 1896 15
2000 2345 2230 60 48 M56 2150 5 60 2100 15
PN2.5MPa（25bar）
10 90 60 14 4 M12 41 2 14 28 3
15 95 65 14 4 M12 46 2 14 32 3
20 105 75 14 4 M12 56 2 16 40 4
25 115 85 14 4 M12 65 2 16 50 4
32 140 100 18 4 M16 76 2 18 60 5
40 150 110 18 4 M16 84 2 18 70 5
50 165 125 18 4 M16 99 2 20 84 6
65 185 145 18 4 M16 118 2 22 104 6
80 200 160 18 8 M16 132 2 24 120 6
100 235 180 22 8 M20 156 2 24 142 8
125 270 210 26 8 M24 184 2 26 162 8
150 300 240 26 8 M24 211 2 28 192 10
200 360 295 26 8 M24 274 2 30 252 10
250 425 350 30 12 M27 330 2 32 304 10
300 485 400 30 12 M27 389 2 34 364 10
350 555 460 33 16 M30 448 2 38 418 12
400 620 515 36 16 M33 503 2 40 472 12
450 670 565 36 20 M33 548 2 46 520 12
500 730 620 36 20 M33 609 2 48 580 12
600 845 725 39 20 M36 720 2 58 684 12
700 960 840 42 24 M39 820 5 50 780 12
800 1085 950 48 24 M45 928 5 54 882 12
900 1185 1050 48 28 M45 1028 5 58 982 12
1000 1320 1160 55 28 M52 1140 5 62 1086 12
1200 1530 1380 55 32 M52 1350 5 70 1296 12
1400 1755 1590 60 36 M56 1560 5 76 1508 12
1600 1975 1820 60 40 M56 1780 5 84 1726 12
1800 2195 2020 68 44 M56 1985 5 90 1920 15
2000 2425 2230 68 48 M64 2210 5 96 2150 15

 

10 90 60 14 4 M12 41 2 14 28 3
15 95 65 14 4 M12 46 2 14 32 3
20 105 75 14 4 M12 56 2 16 40 4
25 115 85 14 4 M12 65 2 16 50 4
32 140 100 18 4 M16 76 2 18 60 5
40 150 110 18 4 M16 84 2 18 70 5
50 165 125 18 4 M16 99 2 20 84 6
65 185 145 18 4 M16 118 2 22 104 6
80 200 160 18 8 M16 132 2 24 120 6
100 235 180 22 8 M20 156 2 24 142 8
125 270 210 26 8 M24 184 2 26 162 8
150 300 240 26 8 M24 211 2 28 192 10
200 360 295 26 8 M24 274 2 30 252 10
250 425 350 30 12 M27 330 2 32 304 10
300 485 400 30 12 M27 389 2 34 364 10
350 555 460 33 16 M30 448 2 38 418 12
400 620 515 36 16 M33 503 2 40 472 12
450 670 565 36 20 M33 548 2 46 520 12
500 730 620 36 20 M33 609 2 48 580 12
600 845 725 39 20 M36 720 2 58 684 12
700 960 840 42 24 M39 820 5 50 780 12
800 1085 950 48 24 M45 928 5 54 882 12
900 1185 1050 48 28 M45 1028 5 58 982 12
1000 1320 1160 55 28 M52 1140 5 62 1086 12
1200 1530 1380 55 32 M52 1350 5 70 1296 12
1400 1755 1590 60 36 M56 1560 5 76 1508 12
1600 1975 1820 60 40 M56 1780 5 84 1726 12
1800 2195 2020 68 44 M56 1985 5 90 1920 15
2000 2425 2230 68 48 M64 2210 5 96 2150 15