ISO 9001:2008 | OHSAS 18001:2007 | ISO 14000:2004
Duplex Steel Pipe Fittings, Manufacturers of Duplex Steel Pipe Fittings, Duplex Steel Pipe Fittings Manufacturers in India
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MICROTECH STAINLESS STEEL CO. is specialized in manufacturing and supplying of Duplex Steel Pipe fittings , Pipe Fitting, Forged Fittings, Butt weld fittings in Stainless steel, alloy Steel & carbon Steel since 1991, we manufacture wide range of Duplex Steel Pipe fittings such as Duplex Steel Elbows, Duplex Steel Tees, Duplex Steel Reducers, Duplex Steel pipe end Caps, Duplex Steel Pipe Bends etc. as per International standard like ASME/ASTM/API, we are supplying & exporting Duplex Steel Pipe fittings in seamless & welded both forms to more than 60 countries for over 2 decades, we have our dealers & distributors in Nigeria, Australia, Malaysia, Egypt, South Africa, Tanzania, Kenya, Mozambique, Angola, Gabon Germany, Turkey, France, United Kingdom, Italy, Netherlands, Iran , Iraq , Saudi Arabia, United Arab Emirates , Iisrael, Jordan, Oman, Kuwait, Qatar, Bahrain, Bangladesh, China, Indonesia, South Korea, Pakistan, Philippines, Singapore, Sri Lanka, Thailand, Vietnam, Brazil, Colombia, Argentina & United States of America, MICROTECH STAINLESS STEEL CO. is the only company in INDIA which is approved Manufacturer & supplier of Duplex Steel Pipe fittings in 300 top companies worldwide. Few of them are ORPIC, NIORDC, Saudi Aramco, SABIC, PIDMCO, GASCO, KNPC, Indian Oil, BPCL, HPCL, NTPC, BARC & Indian Navy, MICROTECH STAINLESS STEEL CO. is ISO 9001:2008, ISO 14001, OHSAS 18001 Certified Company since 2006 & PED approved Manufacturer since 2008, MICROTECH STAINLESS STEEL CO. is India's 6th largest Manufacturer, supplier & exporter of Duplex Steel Pipe fittings .
Infrastructure :
MICROTECH STAINLESS STEEL CO. is 6th largest Duplex Steel Pipe fittings & Flanges manufacturers in INDIA. we have following latest automated machines to manufacture Duplex Steel Pipe fittings : Induction Elbow Making Machines, Bulge Forming Machine, Pipe Bending Machine, Elbow Cold Forming Machine, Induction Elbow Machine, Hydraulic Pressing Machine, Elbow and Pipe Bending Machine, Beveling Machine, we have largest Four-Column Hydraulic Press in INDIA which is used for pipe bending, pipe fitting press forming, metal sheet stretching and pulling. MICROTECH STAINLESS STEEL CO. corp . is INDIA's largest Engineering & Forging Company related to Petro-Chemical and Oil & Gas Industry.
Original photograph of Duplex Steel Pipe Fittings at our factory in india
Duplex Steel Buttweld Pipe Fittings
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Ready Stock of Duplex Steel Buttweld Pipe Fittings at our Warehouse Mumbai,India |
Type : SEAMLESS / WELDED/ FABRICATED
Form
- Elbows in Long & Short Radius in 45 deg, 90 deg, 180 deg.
- Equal, Unequal Tee & Barred Tee.
- Eccentric Reducer & Concentric Reducer.
- Caps & Crosses.
- Long & Short Stub End.
- Swage Nipple & Barrel Nipple.
Long Radius Bend, Piggable Bend, Hot Bend with Radius R=3D, 5D, 6D, 8D, 10D & 20D.
- Minimum wall thinning rate and ovality
- No wrinkles
Duplex Steel Forged Pipe Fittings
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Ready Stock of Duplex Steel Forged Pipe Fittings at our Warehouse Mumbai,India |
Range¼” NB to 4” NB in 3000 LBS, 6000 LBS, 9000 LBS available with NACE MR 01-75.
Type :Socket Weld (S/W) & Screwed (SCRD)
Form : Elbow 45 deg & 90 degree, Tee , Union, Full & Half coupling, Cross, Cap, Swage Nipple, Plug, Bush
Grade : UNS NO.S 31803, S 32205.
Duplex Steel Forged Pipe Fittings
Standard : ASTM / ASME A/SA 182
Grade : F 44, F 45, F51, F 53, F 55, F 60, F 61
other : Customised Fittings
2205 Duplex Fittings
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Ready Stock of 2205 Duplex Fittings at our Warehouse Mumbai,India |
| Stainless Steel | Tradename | UNS no. | Werkstoff No. | Density (g/cm3) |
| Duplex | F51 / 2205, F60 | S31803 / S32205 | 1.4462 | 7.805 |
Duplex Steel Butt Weld Pipe Fittings
Standard : ASTM / ASME SA 815
Grade : UNS NO.S 31803, S 32205.
Duplex Steel Forged Pipe Fittings
Standard : ASTM / ASME A/SA 182
Grade : F 44, F 45, F51, F 53, F 55, F 60, F 61
other : Customised Fittings
2507 Duplex Fittings
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Manufacturing of 2507 Duplex Fittings |
| Standard | Super Duplex 2507 / SAF 2507 |
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| UNS | S32750 / S32950 |
| Werkstoff Nr. | 1.4410 |
| DIN | 1.4410 |
| UNS | S32750 |
Range¼” NB to 4” NB in 3000 LBS, 6000 LBS, 9000 LBS available with NACE MR 01-75.
Type :Socket Weld (S/W) & Screwed (SCRD)
Form : Elbow 45 deg & 90 degree, Tee , Union, Full & Half coupling, Cross, Cap, Swage Nipple, Plug, Bush
Duplex Pipe Fittings
Duplex stainless steels have a mixed microstructure of austenite and ferrite, the aim being to produce a 50/50 mix, although in commercial alloys, the mix may be 40/60 respectively.
Duplex steels have improved strength over austenitic stainless steels and also improved resistance to localised corrosion, particularly pitting, crevice corrosion and stress corrosion cracking. They are characterised by high chromium (19–28%) and molybdenum (up to 5%) and lower nickel contents than austenitic stainless steels. The most used duplex stainless steel are the 2205 (22% Chromium, 5% Nickel) and the 2507 (25% Chromium, 7% Nickel); the 2507 is known as “super duplex” due to its higher resistance to corrosion.
The mechanical properties of Duplex steels are approximately double those of singular austenitic steels, and resistance to stress corrosion cracking is far superior to type 316 stainless steel in chloride solutions. Duplex material has ductile or brittle transition at approximately -50 degrees.
Duplex Steel Pipe Fittings Specificatins
| Duplex Steel : | ASTM / ASME SA 815 UNS S31803, S32205, S32550, S32750, S32760 |
| Super Duplex Steel : | ASTM / ASME SA 815 UNS S32750, UNS S32950 |
| Size : | 1/8" NB TO 24" NB. (Seamless & Welded) |
| Wall Thickness : | Sch. 5S To Sch. XXS |
| Also as per National & International Standard &Specification | |
| Grade | Specification |
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| Duplex 2205 S31803 / S32205 | A815 / SA815, A182 / SA182 |
| Duplex Fitting type | Standards | Designation |
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| Butt weld Fitting | ASTM | A 815 |
| Butt weld Fitting | ASME | SA 815 |
| Forged Fitting | ASTM | A 182 |
| Forged Fitting | ASME | SA 182 |
Available Types of Duplex Steel Pipe Fittings
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Common Duplex Steel Pipe Fittings Specification :
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316T DESIGNATIONS |
CHEMICAL COMPOSITION ASTM/EN STANDARDS (Major elements only) |
Welding |
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% content is a maximum unless a range is indicated |
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ASTM |
EN |
Trade Name |
C |
Mn |
Cr |
Ni |
Mo |
N |
Other |
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Duplex |
2304 |
0.03 |
21.5/24.5 |
3.0/5.5 |
0.1/0.6 |
0.05/0.2 |
0.05/0.6 Cu |
2304/2205 |
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1.4362 |
0.03 |
22.0/24.0 |
3.5/5.5 |
0.1/0.6 |
0.05/0.2 |
0.1/0.6 Cu |
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2101 |
1.4162 |
0.04 |
4.0 |
21.0 |
1.35 |
0.1 |
0.2 |
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2205 |
0.03 |
22.0/23.0 |
4.5/6.5 |
3.0/3.5 |
0.14/0.2 |
2205 |
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1.4462 |
O.03 |
21.0/23.0 |
4.5/6.5 |
2.5/3.5 |
0.10/0.22 |
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2507 |
0.03 |
24.0/26.0 |
6.0/8.0 |
3.0/5.0 |
0.24/0.35 |
1.5/2.5 Cu |
2507 |
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1.441 |
0.03 |
24.0/26.0 |
6.0/8.0 |
3.0/4.5 |
0.2/0.35 |
1.0/2.5 Cu |
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Type of Duplex Steel Pipe Fittings
Duplex Pipe Fittings Production Range
| Specification | ASTM A 815, ASME SA 815, ASTM A 182, ASME SA 182 ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61. |
| Type | Seamless / Welded / Fabricated |
| Range | ½”NB to 24″NB in Sch 10S, 40S, 80S, 160s, XXS |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43 |
Buttweld Duplex Pipe Fittings
Seamless/ Welded 100% Radiography Tested
| Products | Size | |
| Duplex Elbows – Long Radius | Duplex Stub Ends |
Sizes 1/2″ – 48″ |
| Duplex Elbows – Short Radius | Duplex Crosses | |
| Duplex Reducing Elbows | Duplex Reducing Crosses | |
| Duplex 45° Elbows | Duplex 180° LR Return Bends | |
| Duplex Tees | Duplex 180° SR Return Bends | |
| Duplex Fabricated Tees | Duplex Pipe Bends / Piggable Bends | |
| Duplex Reducers | Duplex Couplings | |
| Duplex Concentric Reducers | Duplex Pipe Nipples | |
| Duplex Eccentric Reducers | Duplex Forged/Plate Cut Rings | |
| Duplex 3D Elbow | Duplex End Caps | |
| Duplex 5D Elbow | Duplex Forged / Plate Circles | |
Duplex Stainless Steel Pipe Fittings - Buttweld (B/W) Fitting |
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Sr. No. |
Material |
Size (in mm) |
Sch. & Swg. |
Specification |
Items |
1 |
Seamless |
15 NB to 300 NB |
Sch. 5 to Sch. XXs |
B/W ANSI B16.9 |
Bend (Long & Short) R=2D,3D,5D,10D Etc Elbow (180°, 90° & 45°) Tee (Equal & Unequal) Reducer (Con & Ecc) CAP Stubend (Long & Short) Nipple (Barrel) |
High Pressure Forged Duplex Pipe Fittings
Threaded and Socket Weld Duplex Pipe Fittings
| Products | Size | |
| Duplex 90° Elbows | Duplex Couplings |
Sizes 1/8″ – 4″ Pressure Ratings – |
| Duplex 45° Elbows | Duplex Reducers | |
| Duplex Street Elbows | Duplex Inserts | |
| Duplex Tees | Duplex Caps | |
| Duplex Crosses | Duplex Unions | |
Duplex Steel S31803 Pipe Fittings Specification :
Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Specifications : ASTM A815 / ASME SA815
Size : 1/2" to 24" NB to 24″NB in Sch 10S, 40S, 80S, 160s, XXS
Grade : UNS No. S31803, S32205, S32550, S32750, S32760.
Type : Seamless / Welded / Fabricated
ASTM A789 / ASTM 790 UNS S32205 | UNS S2550 | UNS S31803 | UNS S32750 | UNS S32760
| Super Duplex | ||||
| Alloy | Common Name | Related Specification | ||
| European | UNS | ASTM/ASME | ||
| Alloy 255 | Ferralium 255 | 1.4507 | S32550 | F61 |
| Zeron 100 | Zeron 100 | 1.4501 | S32760 | F55 |
| Alloy 2507 | SAF 2507 | 1.4410 | S32750 | F53 |
| Duplex | ||||
| Alloy | Common Name | Related Specifications | ||
| European | UNS | ASTM/ASME | ||
| Alloy 2205 | SAF 2205 | 1.4462 | S32205 | F60 |
| S31803 | UNS 31803 | 1.4462 | S31803 | F51 |
Duplex Buttweld Pipe Fittings |
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Our Specialization in Below Duplex Steel Pipe Fittings
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