ASTM A333 Gr 6 ElbowASTM A420 · ASME B16.9 · Manufacturer, stockist & exporter, India
SA-333 Gr 6 · Low-temperature carbon steel pipe
An ASTM A333 Gr 6 elbow is a fitting that changes the direction of a pipe run, for use with ASTM A333 Gr 6 pipe. ASTM A333 Gr 6 itself is a pipe or plate specification, so the matching elbow is made to ASTM A420 WPL6 (buttweld) · ASTM A350 LF2 (forged) — which is what we supply for A333 Gr 6 lines. Elbows come in 45°, 90° and 180° (return) angles. Long-radius (1.5D) is the default for flow; short-radius (1D) saves space. Buttweld elbows follow ASME B16.9; socket-weld and threaded elbows follow ASME B16.11.
- ASTM A420
- ASME B16.9
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an ASTM A333 Gr 6 Elbow?
- What it is
- A fitting that changes the direction of a pipe run
- Material
- ASTM A420 WPL6 (buttweld) · ASTM A350 LF2 (forged)
- Dimensions
- ASME B16.9 · B16.28 · B16.11
- Grade
- ASTM A333 Gr 6
- Best at
- Cold-climate and refrigerated piping down to −45 °C
ASTM A333 Gr 6 Elbow Specification
| Product | ASTM A333 Gr 6 Elbow |
|---|---|
| Material standard | ASTM A420 WPL6 (buttweld) · ASTM A350 LF2 (forged) |
| Dimensional standard | ASME B16.9 · B16.28 · B16.11 |
| Sizes | Buttweld ½" – 48" · forged ⅛" – 4" |
| Wall / class | Schedule to match pipe · Class 3000 / 6000 (forged) |
| Ends | Bevelled to ASME B16.25 |
| Testing | Chemical & mechanical per heat · NDT · impact where specified |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose an Elbow
Elbows come in 45°, 90° and 180° (return) angles. Long-radius (1.5D) is the default for flow; short-radius (1D) saves space. Buttweld elbows follow ASME B16.9; socket-weld and threaded elbows follow ASME B16.11.
- LR (1.5D) and SR (1D) radius
- 45°, 90° and 180° return
- Seamless or welded construction
More on choosing: Elbow guide.
ASTM A333 Gr 6 Elbow: Why A333 Gr 6 for elbows
Elbows come in 45°, 90° and 180° (return) angles. Long-radius (1.5D) is the default for flow; short-radius (1D) saves space. Buttweld elbows follow ASME B16.9; socket-weld and threaded elbows follow ASME B16.11. In ASTM A333 Gr 6, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.
| Why this grade | Carbon and low-alloy fittings suit hydrocarbon, steam and utility lines. ASTM A333 Gr 6 is picked for cold-climate and refrigerated piping down to −45 °C. |
|---|---|
| Typical service | LNG & refrigeration — Cold process lines. |
| Welding to carbon steel | Matching carbon or low-alloy filler is used; joints to stainless need ER309L |
| Matching filler | E7018-1 / ER80S-Ni1 |
ASTM A333 Gr 6 Elbow Chemical Composition
| Element | Weight % |
|---|---|
| Carbon | 0.30 max |
| Manganese | 0.29 – 1.06 |
| Silicon | 0.10 min |
| Phosphorus | 0.025 max |
| Sulphur | 0.025 max |
ASTM A333 Gr 6 Elbow Mechanical Properties
| Minimum values | Value |
|---|---|
| Tensile strength | 415 MPa · 60 ksi |
| Yield strength 0.2% | 240 MPa · 35 ksi |
| Elongation | 30% |
| Charpy impact | Tested at −45 °C |
Full chemistry, properties and equivalents are on the ASTM A333 Gr 6 grade page.
Other ASTM A333 Gr 6 pipe fittings
ASTM A333 Gr 6 Elbows for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiASTM A333 Gr 6 Elbow dimensions — ASME B16.9
Values in mm, the same for every material; the wall thickness matches the pipe schedule.
| NPS | OD | 90° LR elbow A | 45° elbow B | 90° SR elbow |
|---|---|---|---|---|
| ½" | 21.3 | 38 | 16 | — |
| ¾" | 26.7 | 38 | 19 | — |
| 1" | 33.4 | 38 | 22 | 25 |
| 1½" | 48.3 | 57 | 29 | 38 |
| 2" | 60.3 | 76 | 35 | 51 |
| 3" | 88.9 | 114 | 51 | 76 |
| 4" | 114.3 | 152 | 64 | 102 |
| 6" | 168.3 | 229 | 95 | 152 |
| 8" | 219.1 | 305 | 127 | 203 |
| 10" | 273.1 | 381 | 159 | 254 |
| 12" | 323.9 | 457 | 190 | 305 |
| 16" | 406.4 | 610 | 254 | 406 |
| 20" | 508.0 | 762 | 318 | 508 |
| 24" | 610.0 | 914 | 381 | 610 |
Full chart: ASME B16.9 fitting dimensions.
ASTM A333 Gr 6 Elbow — questions buyers ask
Long radius or short radius elbow?
Long radius gives lower pressure drop and is the default. Short radius is used where space is tight, with a small pressure-rating reduction per ASME B16.9.
Can ASTM A333 Gr 6 elbows be welded to carbon steel?
Yes — matching carbon or low-alloy filler is used; joints to stainless need ER309L.
Which standard covers ASTM A333 Gr 6 elbows?
The material is ASTM A420 WPL6 (buttweld) · ASTM A350 LF2 (forged); dimensions follow ASME B16.9 · B16.28 · B16.11. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a ASTM A333 Gr 6 elbow?
The steel price, the size and schedule or class, quantity, and the testing and documents required. Send your list and we quote the same working day.
What documents do you supply?
EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026