Size: 1/2″ (15 NB) to 48″ (1200NB)
Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44,GOST 12820-80 /GOST 12821-80 ,EN 1092-1 ,JIS B2220,DIN ,BS 4504
Pressure Ratings: Class 150 to Class 2500 | PN6 to PN64 .
Types of Flanges: Weld neck Flanges (WNRF), Slip-on Flanges (SORF), Blind Flanges (BLRF), Lap Joint Flanges(SOLJ), Socket-weld Flanges (SWRF), Screwed (Threaded) Flanges, Long weld neck Flanges (LWNRF), Spectacle Blind Flanges, Spacer & Blind Flanges, Ring Type Joint Flanges (RTJ)
Carbon Steel Flanges:
ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
Stainless Steel Flanges:
ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel Flanges: ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Flanges Duplex, Super Duplex, Nickel Alloys
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Value Added Services: CNC Machining, Customised Flanges
Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.
Flanges are available as Weld Neck, Integral, Blinds, Targets and Test Blinds for use with the following pressure ratings:
Rating | 150lb | 300lb | 400lb | 600lb | 900lb | 1,500lb | 2,500lb |
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Max. Working Pressure | 285 PSI | 740 PSI | 990 PSI | 1480 PSI | 2220 PSI | 3705 PSI | 6170 PSI |
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Test Pressure | 450 PSI | 1125 PSI | 1500 PSI | 2225 PSI | 3350 PSI | 5575 PSI | 9275 PSI |
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Operating Temperature Range | -28 To +540 Deg C | -28 To +540 Deg C | -28 To +540 Deg C | -28 To +540 Deg C | -28 To +540 Deg C | -28 To +540 Deg C | -28 To +540 Deg C |
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All material supplied by AT Engineering Solutions are complete with BS EN 10204.3.1.B certification as standard |
with BS EN 10204.3.1.C certificates available upon request. |
Materials are supplied in accordance with the following, as applicable to the product: |
ANSI | American National Standards Institute |
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API | American Petroleum Institute |
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NACE MR-01-75 | Sulphide Stress Cracking Resistant Metallic Materials for Oilfield Equipment |
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ASTM | American Society for Testing and Materials |
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ASME | American Society of Mechanical Engineers |
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Element | % | A106 GrB | A234 WPB | A333 Gr6 | A420 WPL6 | API 5L X52 | WPHY 52 | A182 F316L | A519 4130 | A182 F51 |
Carbon (C) | Max | 0.30 | 0.30 | 0.30 | 0.30 | 0.24 | 0.20 | 0.035 | 0.33 | 0.03 |
Min | - | - | - | - | - | - | - | 0.28 | - |
Manganese (Mg) | Max | 1.06 | 1.06 | 1.06 | 1.35 | 1.40 | 1.45 | 2.00 | 0.60 | 2.00 |
Min | 0.29 | 0.29 | 0.29 | 0.60 | - | 1.00 | - | 0.400 | - |
Phosphorus (Ph) | Max | 0.035 | 0.050 | 0.025 | 0.035 | 0.025 | 0.030 | 0.045 | 0.025 | 0.030 |
Min | - | - | - | - | - | - | - | - | - |
Sulphur (S) | Max | 0.035 | 0.058 | 0.025 | 0.040 | 0.015 | 0.010 | 0.030 | 0.025 | 0.020 |
Min | - | - | - | - | - | - | - | - | - |
Silicon (Si) | Max | - | - | - | 0.30 | - | 0.40 | 1.00 | 0.35 | 1.00 |
Min | 0.10 | 0.10 | 0.10 | 0.15 | - | 0.15 | - | 0.15 | - |
Chromium (Cr) | Max | 0.40 | 0.40 | - | 0.30 | - | 0.30 | 18.00 | 1.10 | 23.00 |
Min | - | - | - | - | - | - | 16.00 | 0.80 | 21.00 |
Molybdenum (Mo) | Max | 0.15 | 0.15 | - | 0.12 | - | 0.25 | 3.00 | 0.25 | 3.50 |
Min | - | - | - | - | - | - | 2.00 | 0.15 | 2.50 |
Nickel (Ni) | Max | 0.40 | 0.40 | - | 0.40 | - | 0.50 | 15.00 | - | 6.50 |
Min | - | - | - | - | - | - | 10.00 | - | 4.50 |
Copper (Cu) | Max | 0.40 | 0.40 | - | 0.40 | - | 0.35 | - | - | - |
Min | - | - | - | - | - | - | - | - | - |
Nitrogen (N) | Max | - | - | - | - | - | - | - | - | 0.20 |
Min | - | - | - | - | - | - | - | - | 0.08 |
Columbium (Cb) | Max | - | 0.02 | - | 0.02 | - | 0.04 | - | - | - |
Min | - | - | - | - | - | - | - | - | - |
Titanium (Ti) | Max | - | - | - | - | - | 0.05 | - | - | - |
Min | - | - | - | - | - | - | - | - | - |
Vanadium (V) | Max | 0.08 | 0.08 | - | 0.05 | - | 0.10 | - | - | - |
Min | - | - | - | - | - | - | - | - | - |
Aluminium (Al) | Max | - | - | - | - | - | 0.06 | - | - | - |
Min | - | - | - | - | - | - | - | - | - |
Tensile Strength | Min PSI | 60,000 | 60,000 | 60,000 | 60,000 | 66,000 | 66,000 | 70,000 | 105,000 | 90,000 |
Mpa | 415 | 415 | 415 | 415 | 455 | 455 | 485 | 724 | 620 |
Yeild Strength | Min PSI | 35,000 | 35,000 | 35,000 | 35,000 | 52,000 | 52,000 | 25,000 | >80,000 | 65,000 |
Mpa | 240 | 240 | 240 | 240 | 359 | 359 | 170 | 551 | 450 |
Hardness | Max HB | - | 197 | - | - | - | - | - | 237 | 237 |
Impact Values Deg C | J | - | - | 18J min av -45 | 17.6J min av -45 | 27J min av -50 | 27J min av -50 | - | 42J min av -50 | 27J min av -50 |
