Duplex Flanges
S32205 Flange Manufacturer
S31803 Flange Manufacturer
Introduction
Duplex Steel Slip On Flanges, Duplex Steel Flanges Manufacturers in India, Duplex Steel Pipe Flanges, Duplex Steel Weld Neck Flanges, DSS Loose Flange, Duplex Steel Blind Flange, Duplex Steel Flanges, PN16 Duplex Steel Flanges, DSS Flange.
Duplex Steel 2205 ASTM A182 UNS S32205/Uns S31803 Flanges Manufacturer, Stockist, Dealer, Wholesaler, Distributor, Stockholder and Supplier in India.
Newzel Industries is one of India’s leading suppliers, exporters, and stockists of Duplex Steel 2205 ASTM A182 UNS S32205 and S31803 Pipe Flanges. The claim has been consolidated with a rejection rate of fewer than 1%. The key reason behind this is that we prioritize 100% customer happiness. This includes our excellent after-sales services. We have supplied Duplex ASTM A182 UNS S32205 and S31803 Pipe Flanges Petrochemical plants, Nuclear power projects, Oil and gas industries in South Africa, Australia, New Zealand, Gambia, Ghana, Guinea, Nigeria, Egypt, Morocco, Sudan, Kenya, Mozambique, Zimbabwe, Madagascar, Tunisia, Saudi Arabia, Kuwait, Qatar, United Arab Emirates, and Turkey.
Refer to duplex stainless steel flange pressure rating and the most popular varieties of DSS flanges as per ASME B16.5.
Highly competent duplex flange maker. Our in-house production of DSS flanges uses high-quality Japanese raw materials. ASTM A182 F51 and ASTM A182 F60 are used to manufacture duplex stainless steel flange.
Duplex Steel Flange Specification
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Size | 1/2″ (15 NB) to 48″ (1200NB), DN10~DN5000 |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K |
| Flange Connection / Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove, Flange Pipe. |
| Types of Flanges | Threaded / Screwed / Forged / Plate |
| Coating | Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized |
| Test Of Flange | Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine. |
| Production Technique Used | Heat treated, Forged and Machined |
| Equipment | Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc. |
| Grades | F201, F202, F301, F302, F304, F304L, F309, F310, F316, F316L, F316LN, F317L, F321, F347, 405, 409, 410, 420, 430, 440C, F904L |
Duplex stainless steel flange pressure rating
| Temperature In °F | Working Pressure As per ASME B16.5 Class 150 to 2500 In PSI | |||||
| CL 150 | CL 300 | CL 600 | CL 900 | CL 1500 | CL 2500 | |
| -20~100 | 290 | 750 | 1500 | 2250 | 3750 | 6250 |
| 200 | 260 | 745 | 1490 | 2230 | 3720 | 6200 |
| 300 | 230 | 665 | 1335 | 2000 | 3335 | 5560 |
| 400 | 200 | 615 | 1230 | 1845 | 3070 | 5120 |
| 500 | 170 | 580 | 1160 | 1740 | 2905 | 4840 |
| 600 | 140 | 555 | 1115 | 1670 | 2785 | 4640 |
| 700 | 110 | 540 | 1085 | 1625 | 2710 | 4520 |
Reliable supplier of duplex slip on flange in Mumbai. Find here the weight of Alloy 2205 weld neck flange in kg.
| NPS | Class 150 | Class 300 | Class 600 | Claas 900 | Class 1500 | Class 2500 |
| NPS | Blind | BL | BLRF | RFBL | Blind (BL) | BL (Blind ) |
| 1/2 | 0.5 | 0.9 | 1.4 | 1.8 | 1.8 | 3.2 |
| 3/4 | 0.9 | 1.4 | 1.8 | 2.7 | 2.7 | 4.5 |
| 1 | 0.9 | 1.8 | 1.8 | 4.1 | 4.1 | 5.4 |
| 1½ | 1.4 | 3.2 | 3.6 | 6.3 | 6.3 | 11.3 |
| 2 | 2.3 | 3.6 | 4.5 | 11.3 | 11.3 | 17.6 |
| 2½ | 3.6 | 5.4 | 6.8 | 14.4 | 15.8 | 25.2 |
| 3 | 4.1 | 7.2 | 9 | 15.8 | 21.6 | 38.7 |
| 4 | 5.9 | 12.6 | 18.5 | 24.3 | 32.9 | 59.9 |
| 5 | 6.8 | 16.7 | 30.6 | 39.2 | 63 | 100.4 |
| 6 | 8.6 | 22.5 | 38.7 | 51.8 | 72 | 155.3 |
| 8 | 13.5 | 36.5 | 63 | 90 | 135.9 | 239.8 |
| 10 | 19.4 | 55.8 | 103 | 130.5 | 229.5 | 461.3 |
| 12 | 28.8 | 83.3 | 132.8 | 186.8 | 348.8 | 658.8 |
| 14 | 40.5 | 112.5 | 170.1 | 234 | 438.8 | – |
| 16 | 47.7 | 141.8 | 237.2 | 278.6 | 585 | – |
| 18 | 58.5 | 186.3 | 299.3 | 396 | 787.5 | – |
Check the heat treatment, tensile strength, and chemical composition of the 2205 duplex flanges.
Heat treatment of duplex slip on flange
Annealing heat treatment In °C = 1040 – 1080°C
Annealing heat treatment In °F = 1900 – 1975°F
2205 duplex flanges tensile strength
| Temperature °F | 122°F | 212°F | 392°F | 572°F |
| Tensile Strength In KSI | 96 | 90 | 83 | 81 |
Duplex SS flanges chemical composition
| Element | ASTM A182 F51 flange | ASTM A182 F60 flange |
| Ni (Nickel) | 4.50 – 6.50 | 4.50 – 6.50 |
| N (Nitrogen) | 0.14 – 0.20 | 0.8 – 0.20 |
| Mo (Molybdenum) | 3.0 – 3.5 | 2.50 – 3.50 |
| Mn (Manganese) | 2.00 maximum | 2.00 maximum |
| S (Sulphur) | 0.020 maximum | 0.020 maximum |
| C (Carbon) | 0.030 maximum | 0.030 maximum |
| Cr (Chromium) | 22.0 – 23.0 | 21.0 – 23.0 |
| Si (Silicon) | 1.00 maximum | 1.00 maximum |
| Fe (Iron) | 63.72 min | 63.54 min |
| P (Phosphorous) | 0.030 maximum | 0.030 maximum |
Manufacturing Standards and Origin
| Italy | Europe | Europe | USA | Australia and UK | – |
| UNI 2276/ 6091 | BS EN 1092-1 (Steel) | BS EN 1092-3 (Alloy) | ANSI | BS 10 | – |
| Russia | Japan | Europe | France | Germany | China |
| Ghost | JIS | ISO 7005, BS EN 1092-2 (Iron), PN | NF E 29-200/ NF E 29-203 | DIN | GB/T 9112 / 9119 |
| USA | Korea | Malaysia | Australia | Canada | Europe |
| ASME, ASTM, MSS SP44, AWWA, API-605 | KS | MS 816, MS 253 | AS 2129 | CSA B16.5/ B16.47 | EN |
Equivalent of duplex pipe flange
| Standard | ASTM A182 F51 Flange | ASTM A182 F60 Flange |
| Grade | F51 | F60 |
| UNS | S31803 | S32205 |
| Density (g/cm3) | 7.805 | 7.805 |
| WERKSTOFF NR. | 1.4462 | 1.4462 |
Alloy 2205 forged flanges mechanical properties
| Element | Duplex 2205 S31803 and S32205 |
| Thermal Expansion | 13.7 x10^-6 /K |
| Thermal Conductivity | 19.0 W/m.K |
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Proof Stress | 450 Min MPa |
| Tensile Strength | 620 Min MPa |
| Electrical Resistivity | 0.85 x10^-6 Ω .m |
| Modulus of Elasticity | 200 GPa |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669 |
| Hardness Brinell | 290 Max HB |
| Elongation A50 mm | 25 Min % |
Thermal conductivity of DSS flange
Thermal Conductivity (W/m-K): 19.0
Thermal Conductivity (BTU-in/hr-ft2–oF): 11.0
Frequently Asked Questions
What are Duplex Steel Flanges?
Duplex Steel Flanges are pipe connection components constructed from duplex stainless steel, which has both austenitic and ferritic characteristics. They provide excellent strength, corrosion resistance, and durability for industrial pipe systems.
What grades are commonly available in Duplex Flanges?
Common grades include UNS S31803, UNS S32205, ASTM A182 F51, and ASTM A182 F60. These grades are commonly utilized in demanding industrial applications.
What are the benefits of Duplex Steel Flanges?
They offer superior corrosion resistance, better tensile strength than normal stainless steel, exceptional weldability, and a long service life in severe situations.
What types of Duplex Flanges are available?
Weld Neck, Slip On, Blind, Socket Weld, Threaded, Lap Joint, Orifice, Reducing, and Spectacle Blind Flanges are among the most popular.
Where are Duplex Steel Flanges used?
They are widely utilized in oil and gas, petrochemical plants, chemical processing, marine systems, power plants, and offshore sectors.
Are Duplex Flanges better than SS 304 or SS 316 Flanges?
Duplex Flanges are often stronger and more resistant to pitting, crevice corrosion, and stress corrosion cracking than ordinary SS 304 or SS 316 flanges.
What standards do Duplex Flanges follow?
They are manufactured in accordance with ASME B16.5, B16.47, B16.48, DIN, EN 1092, BS, and ANSI standards, according on the project needs.
What sizes are available in Duplex Steel Flanges?
Duplex flanges come in a variety of sizes (½” to 48″) and pressure classes (150, 300, 600, 900, 1500, 2500).
Can Duplex Flanges be used in seawater applications?
Yes, Duplex Flanges are ideal for seawater and chloride-rich situations because to their improved corrosion resistance.
How are Duplex Steel Flanges tested for quality?
They are subjected to PMI, hardness, tensile, ultrasonic, impact, and hydrostatic testing to verify dependability and quality.
Are custom sizes available?
Yes, bespoke dimensions, drilling patterns, surface treatments, and pressure ratings can be provided according on project requirements.
Why choose Newzel Industries for Duplex Flanges?
Newzel Industries provides high-quality Duplex Steel Flanges that are made to international standards, with a focus on durability, precision, and fast delivery.
