Red Earth Steels Pvt Ltd
Red Earth Steels
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Red Earth Steels is having expertise and experience in manufacturing of duplex stainless steel fittings. Company supplying ASTM A815 UNS S31803 elbow and equal tee to water desalination pipelines in Saudi Arabia and Oman. Duplex 2205 pipe fittings having high chromium content and because of this properties these fittings are more compatible with salt water. Anyone can find maximum sizes of DSS 90-degree elbows and duplex stainless steel reducing tee in ready stock at Mumbai. The best part of the red earth steels that all the duplex fittings come with test certificate EN 10204 Type 3.1 B. Red Earth Steels is the only company in India produced duplex steel elbow in size 72 inches and wall thickness schedule 160s for chemical processing company in Qatar. UNS S31803 fittings are mainly used in oil and gas exploration pipelines and marine applications.
Check UNS S31803 long radius elbows and short radius elbows price list in Mumbai. Red Earth Steels produce UNS S32205 concentric reducers and eccentric reducers as per strict compliance of ASME B16.9 and all American and European standards. Company also purchases duplex stainless steel pipes from Japan, Europe and South Korea. Customers who have strict requirement that they don’t accept China and Indian origin DSS fittings so Red Earth Steels can produce duplex steel buttweld fittings by European make pipes and also provide the purchasing documents and proof of raw material to the clients.
Other advantage that buyers can get large size UNS S31803 stub end and pipe end caps in their inventory as well as can get odd sizes in duplex stainless steel fittings with MTC.

Duplex Steel Pipe Fittings Specification
Size : Buttweld : 1/2" – 36", Seamless : 1/2" – 24", Welded : 24 – 96"
End Types: Compound Bevel, Plain Bevel, Buttweld, Bevelled
Quote within 24Hrs with Technical Data Sheet
Heat Treatment: Annealed at 1900°F
Schedule : SCH 5 – SCH XXS
100% Tested Duplex Pipe Fittings supply with MTC EN 10204/3.1
Who they are?

Duplex Steel Pipe Fittings Manufacturer in India

Supplier of ASTM A815 WP-S UNS S31803 material in Mumbai

Manufacturer of Duplex UNS S31803 Tee in Mumbai

Exporter of ASTM A815 UNS S31803-S Reducer Fittings

Duplex Steel Elbow Manufacturer in India
Stock Details
Following sizes and types of Duplex Pipes Fittings are ready in stock of Red Earth Steels:
| Type of Duplex Steel Buttweld Fittings | Size | Material Grade | Quantity in stock |
|---|---|---|---|
| ASTM A815 WP-S UNS S31803 Elbow (90°) | 1/2" to 14" – LR/SR | Duplex S31803 | 500 pcs |
| Duplex Steel Elbow (45°) | 1/2" to 14" – LR/SR | Duplex S31803 | 300 pcs |
| Duplex 2205 Tee (Equal) | 1/2" to 14" | Duplex S31803 | 400 pcs |
| Alloy 2205 Tee (Reducing) | 1/2" to 14" | Duplex S31803 | 200 pcs |
| UNS S31803 Reducer (Concentric) | 1/2" to 14" | Duplex S31803 | 250 pcs |
| DSS Reducer (Eccentric) | 1/2" to 14" | Duplex S31803 | 250 pcs |
| ASTM A815 WP-S S31803 Cap | 1/2" to 24" | Duplex S31803 | 150 pcs |
| Duplex Cross | 1/2" to 4" | Duplex S31803 | 100 pcs |
| Duplex Steel Stub End | 1/2" to 24" | Duplex S31803 | 350 pcs |
| ASTM A815 Bend (Long Radius and Short Radius) | 1/2" to 10"- LR/SR | Duplex S31803 | 350 pcs |
What is the difference between a Long Radius Elbow and Short Radius Elbow?
| Feature | Long Radius Elbow | Short Radius Elbow |
|---|---|---|
| German Standard | DIN 2605 | DIN 2605 |
| Radius of Curvature | 1.5 times the pipe diameter (1.5D) | 1.0 times the pipe diameter (1.0D) |
| Manufacturing Size Range | ½" to 48" | ½" to 48" |
Duplex 2205 Fittings Hardness
| Properties | Value |
|---|---|
| Hardness Range | 31 Rockwell C (HR C) |
| 293 Brinell (HB) |
ASTM A815 WP-S UNS S31803 Material at Best Price in Mumbai
Weight Chart of UNS S31803 Pipe Fittings
| Size | Weight |
|---|---|
| 1/2 | 0.08 |
| 1 1/2 | 0.39 |
| 2 | 0.66 |
| 10 | 37 |
| 12 | 61 |
| 14 | 85.1 |
| 16 | 121 |
| 18 | 176 |
| 24 | 377 |
| 2 1/2 | 1.37 |
| 3 | 2.19 |
| 4 | 4.12 |
| 3/4 | 0.11 |
| 1 | 0.15 |
| 1 1/4 | 0.25 |
| 5 | 6.89 |
| 6 | 10.7 |
| 8 | 21.6 |
What is ASTM A815 WP-S UNS S31803 Material?
ASTM A815 WP-S UNS S31803 is a specification of Duplex Steel Pipe Fittings when you order to any manufacturer or supplier. ASTM A815 is an American standard for duplex steel buttweld fittings. WP-S means the fittings are seamless, and UNS S31803 is the grade of duplex steel. This material is suitable to use in extremely corrosion resistant environments. ASTM A815 UNS S31803 pipe fititngs are manufactured in both seamless and welded methods.
ASTM A815 WP-S/WX UNS S31803 Applications

Check Price List of Duplex 2205 Fittings in Mumbai for year 2024 -2025
Duplex 2205 Fittings Price in India
Red Earth Steels Pvt. Ltd. is one of the largest manufacturer of Duplex Pipe Fittings who offers the lowest price in Mumbai. Get in touch with their sales team to check the material in ready stock.
| Size | Types | Price in USD |
|---|---|---|
| 1” x Sch. 40S | Duplex Steel Elbow | US $ 32.96 |
| ¾” x Sch. 40S | US $ 35.68 | |
| 1.1/4” x Sch. 40S | US $ 40.83 | |
| 2.1/2” x Sch. 40S | US $ 63.44 | |
| 3” x Sch. 40S | Tee | US $ 120.33 |
| 6” x Sch. 40S | US $ 290.23 | |
| 12” x Sch. 40S | US $ 910.21 | |
| 14” x Sch. 40S | US $ 1053.36 | |
| 1” x Sch. 40S | End Cap | US $ 35.15 |
| 4” x Sch. 40S | US $ 125.98 | |
| 8” x Sch. 40S | US $ 214.85 |
Supplier of Duplex Stainless Steel Elbows in Mumbai
UNS S32205 Pipe Elbow Dimensions

| Size | OD | 45° B | 90° A | 45° B | 90° A |
|---|---|---|---|---|---|
| 3D Elbow | Long Radius Elbow | ||||
| 12 | 323.08 | 378 | 914 | 190 | 457 |
| 14 | 355.06 | 441 | 1067 | 222 | 533 |
| 1 | 33.04 | 31 | 76 | 22 | 38 |
| 2½ | 73 | 79 | 190 | 44 | 95 |
| 3 | 88.09 | 95 | 229 | 51 | 114 |
| 3½ | 101.06 | 111 | 267 | 57 | 133 |
| 4 | 114.03 | 127 | 305 | 64 | 152 |
| 5 | 141.03 | 157 | 381 | 79 | 190 |
| 6 | 168.03 | 189 | 457 | 95 | 229 |
| 8 | 219.01 | 252 | 610 | 127 | 305 |
| 1¼ | 42.02 | 39 | 95 | 25 | 48 |
| 1½ | 48.03 | 47 | 114 | 29 | 57 |
| 3/4 | 26.07 | 24 | 57 | 19 | 38 |
| 2 | 60.03 | 63 | 152 | 35 | 76 |
| 10 | 273 | 316 | 762 | 159 | 381 |
Duplex Fittings Equivalent Standard
| Standard | UNS S31803 Fittings | UNS S32205 Fittings |
|---|---|---|
| WNR | 1.4462 | 1.4462 |
| UNS | S31803 | S32205 |
| Grade | F51 | F60 |
Sizes of Duplex 2205 Equal Tee
All sizes of Duplex Steel Equal Tee in ready stock at Mumbai

| NPS | OD | Center-to-End | |
|---|---|---|---|
| Inch | Run (C) | Outlet(M) | |
| 1/2 | 21.3 | 25 | 25 |
| 3/4 | 26.7 | 29 | 29 |
| 1 | 33.4 | 38 | 38 |
| 3 1/2 | 101.6 | 95 | 95 |
| 4 | 114.3 | 105 | 105 |
| 3 | 88.9 | 86 | 86 |
| 12 | 323.8 | 254 | 254 |
| 14 | 355.6 | 279 | 279 |
| 5 | 141.3 | 124 | 124 |
| 6 | 168.3 | 143 | 143 |
| 8 | 219.1 | 178 | 178 |
| 10 | 273.0 | 216 | 216 |
| 1 1/4 | 42.2 | 48 | 48 |
| 1 1/2 | 48.3 | 57 | 57 |
| 2 | 60.3 | 64 | 64 |
| 2 1/2 | 73.0 | 76 | 76 |
| 16 | 406.4 | 305 | 305 |
| 18 | 457.0 | 343 | 343 |
| 20 | 508.0 | 381 | 381 |
Types of Duplex Pipe Fittings

Duplex 2205 Pipe Fittings vs Stainless Steel 316L Pipe Fittings
| Property of alloy | Duplex 2205 Pipe Fittings | Stainless Steel 316L Fittings |
|---|---|---|
| Group name | Duplex Stainless Steel | Austenitic Stainless Steel |
| UNS | UNS S32205/ S31803 | UNS S31603 |
| Life | 25-30 years | 20-25 years |
| Tensile | 620 MPa min | 485 MPa min |
| Density | 7.8 g/cm³ | 8.0 g/cm³ |
| Melting Point | 1350-1450°C | 1371-1399°C |
| Corrosion Resistance for chloride environments | Excellent and better then 316L | Less effective |
| Thermal Conductivity | 19 W/m·K | 16 W/m·K |
| Uses and Applications |
|
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| Suitable Temperature | -50°C to 300°C | -196°C to 500°C |
| Duplex Steel Pipe Fittings Price per kg in India, Ex Mumbai (US$) | US $6-8 per kg | US $4-5 per kg |
| Different Element |
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| Highly corrosive environments | Best material to use | Not advisable to use |
Get in touch with the listed manufacturer, supplier and stockist of Duplex pipe fittings, their technical team is always ready to answer all your queries.
Why Duplex Stainless Steel is one of the best material for water desilation plants and pipelines?
Duplex steel is the best choice for water desalination plants and pipelines because of its strong properties. Also, these duplex fittings such as elbow, reducer, cap and B/W tee does not rust easily.

List of Top 10 Countries import Duplex Stainless Steel Fittings from India
Indian material is now high in demand for good quality and reasonable price globally. Here are the top 10 countries who import Duplex fittings from Indian manufacturers:
- United Arab Emirates
- Saudi Arabia
- Bahrain
- Qatar
- Oman
- Germany
- Singapore
- United States
- South Korea
- United Kingdom
Delivery Estimate
Red Earth Steels is a largest Duplex Steel Pipe Fittings Manufacturer in India who can deliver from Ex-stock by Air within 7 days. The company is supplying all types of duplex fittings in sch 10 to XS. Contact to the manufacturer directly for large diameter duplex steel elbow, tee, reducer, or buttweld cap fittings. Also find the delivery estimate to following countries:
| Export Country Name | Port Name | Location | Delivery Time (From Ex-stock) No. of Days |
Delivery Time (If Not in Stock) No. of Days |
|---|---|---|---|---|
| Dubai (UAE) | Jebel Ali Port | Dubai | 5-7 | 12-14 |
| Saudi Arabia | Jeddah Port | Jeddah | 8-10 | 15-17 |
| Qatar | Hamad Port | Doha | 7-9 | 14-16 |
| Oman | Port Sultan Qaboos | Muscat | 7-9 | 14-16 |
| Kuwait | Shuwaikh Port | Kuwait City | 8-10 | 15-17 |
| Turkey | Port of Istanbul | Istanbul | 15-18 | 22-25 |
| Saudi Arabia | Jeddah Port | Jeddah | 8-10 | 15-17 |
| Egypt | Port Said | Cairo | 15-18 | 22-25 |
| Iraq | Umm Qasr Port | Baghdad | 15-18 | 22-25 |
| Algeria | Port of Algiers | Algiers | 20-25 | 27-32 |
| Kuwait | Shuwaikh Port | Kuwait City | 8-10 | 15-17 |
| Libya | Tripoli Port | Tripoli | 20-25 | 27-32 |
| Morocco | Port of Casablanca | Casablanca | 25-30 | 32-37 |
| Tunisia | Port of Tunis | Tunis | 25-30 | 32-37 |
| Jordan | Aqaba Port | Amman | 20-25 | 27-32 |
| Syria | Port of Latakia | Damascus | 25-30 | 32-37 |
| Lebanon | Port of Beirut | Beirut | 20-25 | 27-32 |
| Turkmenistan | Turkmenbashi Port | Ashgabat | 25-30 | 32-37 |
| Quba (Azerbaijan) | Port of Baku | Quba | 25-30 | 32-37 |
| Singapore | Port of Singapore | Singapore | 12-15 | 19-22 |
| Malaysia | Port Klang | Kuala Lumpur | 12-15 | 19-22 |
| UK | Port of Felixstowe | London | 25-30 | 32-37 |
Chemical Composition of Duplex Pipe Fittings
| Element | UNS S32205 Fittings | UNS S31803 Fittings |
|---|---|---|
| Silicon | 1.00 | 1.00 |
| Iron | 63.54 min | 63.72 min |
| Nickel | 4.50 – 6.50 | 4.50 – 6.50 |
| Carbon | 0.030 | 0.030 |
| Nitrogen | 0.8 – 0.20 | 0.14 – 0.20 |
| Molybdenum | 2.50 – 3.50 | 3.0 – 3.5 |
| Chromium | 21.0 – 23.0 | 22.0 – 23.0 |
| Phosphorous | 0.030 | 0.030 |
| Sulphur | 0.020 | 0.020 |
| Manganese | 2.00 | 2.00 |
Marking on the Duplex Fittings
Seamless Fittings, Duplex Steel
- Manufacturer Name: RED EARTH
- ASTM A815 S31803-S
- (*SIZE*) ASME B16.9
- HEAT NO. XXXX NACE MR0175
Welded Fittings, Duplex Steel
- Manufacturer Name: RED EARTH
- ASTM A815 S31803-WX
- (*SIZE*) ASME B16.9
- HEAT NO. XXXX NACE MR0175
6 Major Reasons that why Red Earth Steels is Best Choice of Duplex Weld Fittings in India

Mechanical Properties of Duplex Steel Pipe Fittings
| Properties | ASTM A815 UNS S31803/ S32205 | |
|---|---|---|
| Hardness Brinell | HB | 290 Max |
| Tensile Strength | MPa | 620 Min |
| Elongation A50 mm | % | 25 Min |
| Proof Stress | MPa | 450 Min |
| Modulus of Elasticity | GPa | 200 |
ASTM A815 material manufacturing types and dimensions
UNS S32205 Pipe Reducer according to ASME SA 815 Standard and ASME B16.9 Dimensions
| Types of Duplex Steel Pipe Fittings (ASTM A815 grade WPS S31803/ S32205) |
Sizes (inches) | Manufacturing Types | Specification |
|---|---|---|---|
| Duplex Steel Elbow | ½" to 48" | 45°, 90°, 180° | ASME B16.9, DIN 2605 |
| Duplex Tee | ½" to 48" | Equal and Reducing | ASME B16.9, DIN 2615 |
| DSS Reducer | ½" to 48" | Concentric, Eccentric | ASME B16.9, DIN 2616 |
| Duplex Steel End Cap | ½" to 48" | Plain end, Bevel end | ASME B16.9, DIN 2617 |
| DSS Cross | ½" to 48" | Equal and Reducing | ASME B16.9, DIN 2615 |
| Duplex Steel Stub End | ½" to 48" | Short and Long Stub End | ASME B16.9, DIN 2642 |
| Duplex Pipe Bend | ½" to 48" | Customizable (15° to 180°) | ASME B16.9, DIN 2605 |
Thermal Conductivity of Duplex Pipe Fittings

Abbrevations Applicable in ASTM A815 S31803 Pipe Fittings
- BW – Buttweld
- LR – Long Radius
- SR – Short Radius
- S – Seamless
- WX – Welded
- RT – 100% X-ray weld
Following Documents are provided by Duplex Steel Pipe Fittings Manufacturers in India
- Datasheet
- Material Test Certificate (MTC)
- Certificate of Conformity
- Dimension Reports
- NDT (Non Destructive Testing)
CASE STUDIES
Client Name: Oil and Gas Pipeline Project, Abu Dhabi (UAE)
An Abu Dhabi-based oil and gas company given their requirement of Duplex Steel Pipe Fittings to Red Earth Steels for an offshore site in UAE
Red Earth Steels supplied duplex steel S31803 buttweld fittings in form of elbows, tees, caps and reducers as per the project requirement according to ASTM A815 and ASME B16.9. The project engineer approved the supplied material and specification. The project requirements were completed successfully by Red Earth Steels with 100% client satisfaction.
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Company Profile
| Nature of Business | Manufacturer, Exporter |
|---|---|
| Import Export Code (IEC) | 0313074097 |
| Legal Status of firm | Private Limited |
| GST No. | 27AAACR1413M1ZH |
Contact Info
| Contact Person | Mr. Kalpesh Jain |
|---|---|
| Phone | +91 9773441022 |
| info@redearthsteels.com | |
| Head Office | Red Earth Steels Pvt Ltd 1B, Siddhi Apartment, 10th Khetwadi Back Road, Mumbai 400004, India |
| Google Map Location | Locate Us on Google Map |

