Excellent Overseas is a trusted manufacturer, stockist and exporter of Buttweld Pipe Fittings in Carbon Steel, Low Temperature Carbon Steel, Stainless Steel, Alloy Steel and Nickel Alloys, supplied with EN 10204 3.1 / 3.2 certification and complete heat-number traceability.
Table of Content
- Buttweld Fittings Supply Range
- Material Grades & Specifications
- Types of Pipe Fittings
- High Temperature Fittings
- Dimensional Standards
- Fittings at a Glance
- Chemical Composition
- Mechanical Properties
- Pipe Fittings Dimension Chart
- ASME B16.9 Tolerance Chart
- Coating of Pipe Fittings
- Testing & Inspection
- Applications
- Countries We Export To
Buttweld Pipe Fittings Supply Range
Size1/8" NB to 48" NB (Seamless & Welded)
Seamless Fittings1/2" to 24"
Welded Fittings1/2" to 48" (larger sizes on request)
Wall ThicknessSch. 5S to Sch. XXS (SCH 5 – SCH 160)
ProcessSeamless, Welded, Fabricated
Bending Radius1D, 1.5D (LR), 2D, 3D, 5D
Dimensional StandardsASME B16.9, MSS-SP-43, MSS-SP-75, EN 10253, DIN, JIS
OriginIndian, Japanese, European, Korean, American
CoatingCRA, FBE, 3PE, Zinc, Clad / Lined, Custom
PackagingBundled, Bubble Wrap, Wooden Box
TypesElbow, Tee, Reducer, Return Bends, Stub-Ends, Cap, Collar, Cross, Insert, Lateral Tee, Piggable Bend, etc.
CertificationsEN 10204 3.1 / 3.2, IBR Approved, NABL Lab Testing, Third Party Inspection (TPI)
Buttweld Fittings Material Grades
| Material | Specification & Grades |
|---|---|
| Stainless Steel | ASTM A403 / ASME SA403 WP 304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L etc. |
| Alloy Steel | ASTM A234 / ASME SA234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91 etc. |
| Carbon Steel | ASTM A234 / ASME SA234 WPB |
| Low Temperature Carbon Steel | ASTM A420 / ASME SA420 WPL3 / WPL6 |
| High Yield Carbon Steel | MSS-SP-75 WPHY 42 / 46 / 52 / 56 / 60 / 65 / 70 | ASTM A860 / ASME SA860 |
| Nickel & Copper Alloys | Monel, Nickel, Inconel, Hastelloy, Copper, Brass, Bronze, Titanium, Tantalum, Bismuth, Aluminium, High Speed Steel, Zinc, Lead etc. |
Types of Buttweld Pipe Fittings
IBR certified pipe fittings stockist in India supplying every buttweld form in all material grades.
Elbows & Bends
90° Long Radius Elbow
R = 1.5D
90° Short Radius Elbow
R = 1D
45° Long Radius Elbow
R = 1.5D
45° Short Radius Elbow
R = 1D
180° Long Radius Return
Return bend
180° Short Radius Return
Return bend
3D Elbow / Bend
R = 3 × OD
5D Elbow / Bend
R = 5 × OD
Long Radius Bend
Hot induction bend
Piggable Bend
With tangent ends
Tees & Crosses
Equal / Straight Tee
Reducing Tee
Reducing Outlet Tee
Lateral Tee
45° branch
Equal / Straight Cross
Reducing Cross
Reducing Outlet Cross
Reducers, Caps & Stub Ends
Concentric Reducer
Eccentric Reducer
Pipe Cap / End Cap
Long Stub End
MSS-SP-43 Type A
Short Stub End
MSS-SP-43 Type B
Lap Joint Stub End
With lap joint flange
Collar
Insert
High Temperature Fittings Used in Oil and Gas Sector
| Material | High Temperature Grades | UNS | Wrought Fittings | Temperature Can Withstand |
|---|---|---|---|---|
| Carbon Steel | ASTM A234 | K03006 | WPB | Up to 425°C |
| Stainless Steel | 304 | S30400 | WP304 | Up to 900°C |
| 316 | S31600 | WP316 | ||
| 321 | S32100 | WP321 | ||
| 347 | S34700 | WP347 | ||
| Nickel Alloys | Inconel 600 | N06600 | WPNCI | Up to 1093°C |
| Incoloy 800H | N08810 | WPNIC10 | ||
| Hastelloy X | N06002 | - | ||
| Alloy Steel | 1¼Cr-½Mo | K11597 | WP11 | Up to 650°C |
| 2¼Cr-1Mo | K21590 | WP22 | ||
| 9Cr-1Mo-V | K91560 | WP91 | ||
| 9Cr-2W | K92460 | WP92 |
Pipe Fittings Dimensional Standards
Full line pipe fittings manufacturer in India in accordance with ASME B16.9 and many other international standards.
| Standard | Size | Method | Schedule |
|---|---|---|---|
| ASME B16.9 (incl. former B16.28 SR elbows) | 1/2" to 48" | Seamless / Welded | SCH 5S to XXS |
| MSS-SP-43 (light-wall SS, stub ends) | 1/2" to 24" | Seamless / Welded | SCH 5S, 10S |
| MSS-SP-75 (high-yield WPHY) | Up to 60" | Seamless / Welded | As per order |
| ASME B16.25 (buttwelding ends) | Weld-end bevel preparation for all buttweld fittings | ||
| EN 10253 | DN15 to DN1200 | Seamless / Welded | Wall thickness as per standard (mm) |
| DIN 2605 / 2615 / 2616 / 2617 | DN15 to DN600 | Seamless / Welded | Wall thickness as per standard (mm) |
| JIS B2311 / B2312 / B2313 | 15A to 600A | Seamless / Welded | As per JIS pipe schedule |
Buttweld Pipe Fittings at a Glance
Material Specifications
- ASTM A234 / ASME SA234
- ASTM A403 / ASME SA403
- ASTM A420 / ASME SA420
- ASTM A860 / ASME SA860
Fittings Form
- Elbow
- Tee
- Reducer
- Cap
Elbow Process
- Welded
- Seamless
- Fabricated
Elbow Bending Radius
- 1D
- 2D
- 3D
- 5D
Fittings Origin
- Japanese
- European
- Korean
- American
Tee Coating
- CRA
- FBE
- 3PE
- Zinc Coating
Reducer Application
- Transporting Water
- Transporting Oil & Gas
- High-Pressure Lines
- Chemical Processing
Pipe Cap Testing
- HIC Tested
- PMI Test
- NDT Test
- Ultrasonic Test
Schedule 10 Fittings Features
- Corrosion Resistance
- Controlled Manufacturing
- High Strength
- Tested to Standards
Stub End Benefits
- High Strength
- Cost-Effective
- Versatility
Fittings Packaging
- Bundled
- Bubble Wraps
- Wooden Box
Excellent Overseas is a Reliable Pipe Fittings Stockist With Ready Inventory.
Elbows, tees, reducers, caps and stub ends in CS, SS, AS and Nickel Alloys. Request stock list, price and full documentation.
Quote NowPipe Fittings Chemical Composition
ASTM A234 WPB Carbon Steel Fittings (wt %)
C
Carbon
≤ 0.30%
Mn
Manganese
0.29–1.06%
P
Phosphorus
≤ 0.050%
S
Sulfur
≤ 0.058%
Common Buttweld Fitting Grades (wt %)
| Grade | C | Mn | P | S | Si | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| A234 WPB | ≤ 0.30 | 0.29 – 1.06 | ≤ 0.050 | ≤ 0.058 | ≥ 0.10 | - | - | - |
| A420 WPL6 | ≤ 0.30 | 0.60 – 1.35 | ≤ 0.035 | ≤ 0.040 | 0.15 – 0.30 | - | - | - |
| A234 WP11 Cl.1 | 0.05 – 0.15 | 0.30 – 0.60 | ≤ 0.030 | ≤ 0.030 | 0.50 – 1.00 | 1.00 – 1.50 | - | 0.44 – 0.65 |
| A234 WP22 Cl.1 | 0.05 – 0.15 | 0.30 – 0.60 | ≤ 0.040 | ≤ 0.040 | ≤ 0.50 | 1.90 – 2.60 | - | 0.87 – 1.13 |
| A403 WP304 | ≤ 0.08 | ≤ 2.00 | ≤ 0.045 | ≤ 0.030 | ≤ 1.00 | 18.0 – 20.0 | 8.0 – 11.0 | - |
| A403 WP316 | ≤ 0.08 | ≤ 2.00 | ≤ 0.045 | ≤ 0.030 | ≤ 1.00 | 16.0 – 18.0 | 10.0 – 14.0 | 2.00 – 3.00 |
Values are typical limits per the respective ASTM specification; refer to the mill test certificate for actual heat chemistry.
Mechanical Properties of Buttweld Fittings
| Grade | Tensile Strength, ksi (MPa) | Yield Strength min, ksi (MPa) | Elongation min |
|---|---|---|---|
| A234 WPB | 60 – 85 (415 – 585) | 35 (240) | 22% |
| A420 WPL6 | 60 – 85 (415 – 585) | 35 (240) | 22% |
| A234 WP11 Cl.1 | 60 – 85 (415 – 585) | 30 (205) | 22% |
| A234 WP22 Cl.1 | 60 – 85 (415 – 585) | 30 (205) | 22% |
| A403 WP304 / WP316 | 75 min (515) | 30 (205) | 28% |
Elongation is longitudinal, 4D round specimen. Hardness for A234 WPB: 197 HB max. WPL6 is impact tested at -46°C as per ASTM A420.
Buttweld Pipe Fittings Dimension Chart
| Nominal Pipe Size | Outside Diameter | Straight Crosses | Straight Tees | Caps | Stub Ends | |||
|---|---|---|---|---|---|---|---|---|
| mm | inch | Center to End (inch) | Center to End (inch) | Length (inch) | Lap Diameter (inch) | Long Length (inch) | Short Length (inch) | |
| 1/2" | 21.3 | 0.840 | – | 1 | 1 | 1 3/8 | 3 | 2 |
| 3/4" | 26.7 | 1.050 | – | 1 1/8 | 1 | 1 11/16 | 3 | 2 |
| 1" | 33.4 | 1.315 | 1 1/2 | 1 1/2 | 1 1/2 | 2 | 4 | 2 |
| 1 1/4" | 42.2 | 1.660 | 1 7/8 | 1 7/8 | 1 1/2 | 2 1/2 | 4 | 2 |
| 1 1/2" | 48.3 | 1.900 | 2 1/4 | 2 1/4 | 1 1/2 | 2 7/8 | 4 | 2 |
| 2" | 60.3 | 2.375 | 2 1/2 | 2 1/2 | 1 1/2 | 3 5/8 | 6 | 2 1/2 |
| 2 1/2" | 73.0 | 2.875 | 3 | 3 | 1 1/2 | 4 1/8 | 6 | 2 1/2 |
| 3" | 88.9 | 3.500 | 3 3/8 | 3 3/8 | 2 | 5 | 6 | 2 1/2 |
| 3 1/2" | 101.6 | 4.000 | 3 3/4 | 3 3/4 | 2 1/2 | 5 1/2 | 6 | 3 |
| 4" | 114.3 | 4.500 | 4 1/8 | 4 1/8 | 2 1/2 | 6 3/16 | 6 | 3 |
| 5" | 141.3 | 5.563 | 4 7/8 | 4 7/8 | 3 | 7 5/16 | 8 | 3 |
Dimensions as per ASME B16.9 (tees, crosses, caps) and MSS-SP-43 / ASME B16.9 (stub ends). Larger sizes available on request.
ASME B16.9 Buttweld Fittings Tolerance Chart
Tolerances for 45° & 90° elbows, tees, end caps, reducers and lap joint stub ends (all values in inches).
| Fitting Size (NPS) | Inside Dia. at End | OD at Bevel | Wall Thickness T | 90° & 45° Elbow and Tee | Cap | Reducer & Long Lap Joint Stub End |
|---|---|---|---|---|---|---|
| Center-to-End A, B, C | Overall Length F | Overall Length H | ||||
| 1/2 to 2-1/2 | ± 0.03 | +0.06 / -0.03 | Not less than 87.5% of Nominal Thickness | ± 0.06 | ± 0.12 | ± 0.06 |
| 3 to 3-1/2 | ± 0.06 | ± 0.06 | ± 0.06 | ± 0.12 | ± 0.06 | |
| 4 | ± 0.06 | ± 0.06 | ± 0.06 | ± 0.12 | ± 0.06 | |
| 5 to 8 | ± 0.06 | +0.09 / -0.06 | ± 0.06 | ± 0.25 | ± 0.06 | |
| 10 to 18 | ± 0.12 | +0.16 / -0.12 | ± 0.09 | ± 0.25 | ± 0.09 | |
| 20 to 24 | ± 0.19 | +0.25 / -0.19 | ± 0.09 | ± 0.25 | ± 0.09 | |
| 26 to 30 | ± 0.19 | +0.25 / -0.19 | ± 0.12 | ± 0.38 | ± 0.19 | |
| 32 to 48 | ± 0.19 | +0.25 / -0.19 | ± 0.19 | ± 0.38 | ± 0.19 |
Tolerances as per ASME B16.9. Final acceptance as per the purchase order and applicable standard.
Coating of Pipe Fittings
- CRA
- FBE
- 3PE
- Zinc Coating
- Clad or Lined
- Custom
| Coating Types | Max Service Temperature |
|---|---|
| PE Coating | Up to 80°C |
| Zinc Coating | Up to ~200°C |
| PTFE Coating | +260°C |
| Anti Rust Coating | Temporary protection (applied at 10°C – 30°C) |
| FBE Coating | Up to ~110°C (high-Tg FBE up to ~150°C) |
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Pipe Fittings Testing & Inspection
Find a pipe fittings stockist in India that supplies material undergoing rigorous testing before dispatch.
- Dimensional Testing
- Visual Inspection
- Hardness Test
- Hydrostatic Test (on request)
- Impact Test
- X-Ray / Ultrasonic Test
- Magnetic Particle Test
- PMI Test
- HIC / SSC Test
Applications of Buttweld Pipe Fittings
Countries We Export To
Canada
Turkey
Spain
Vietnam
Malaysia
Germany
Saudi Arabia
Singapore
France
Mexico
Kuwait
USA
South Korea
Australia
Qatar
Italy
Oman
Egypt
China
Brazil
UAE
Indonesia
UK
Thailand