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ASTM A860 WPHY 70 Pipe Fittings are made up of high-yield carbon steel fittings that are specially made to handle high pressure during pipeline systems and other applications. These Fittings are manufactured according to different international Standards such as ASTM A860 and MSS SP-75; they also come in different forms like elbows, bends, tees, reducers, crosses, caps, stub ends, and swage nipples. They also come in seamless and welded forms and can be easily fabricated according to the requirements of the industry. They come with a 485 MPa (70 ksi) tensile strength and 550–725 MPa (80–105 ksi) Yield strength that provide excellent strength and corrosion resistance in harsh and chemical environments. With all these features, this material is commonly used in multiple industries like fluid and gas transportation, petrochemical processing, offshore oil and gas, power generation, and chemical equipment. Solitaire Overseas is the most trusted manufacturer and supplier of ASTM A860 WPHY 70 pipe fittings and other materials, which are also commonly used in different industries according to their usage.
| Specification Parameter | Details |
|---|---|
| Standard Specification | ASTM A860 / ASME SA860 |
| Dimensional Standards | ASME/ANSI B16.9, MSS SP-75, ASTM A960/A960M, BS4504, BS1560, BS10 |
| Size Range | Seamless: 1/2" to 10" Welded: 1/2" to 48" (100% X-Ray Welded & Fabricated) |
| Fittings Type | Seamless / Welded / Fabricated (DN15 – DN1200) |
| Bending Radius | R = 1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Thickness / Schedule | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
| Manufacturing Process | Push, Press, Forge, Cast, etc. |
| Test Certificates | EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc. |
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | Cu | Ti | V | Cb | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WPHY 70 | 0.20 | 1.00–1.45 | 0.030 | 0.010 | 0.15–0.40 | 0.50 | 0.30 | 0.25 | 0.35 | 0.05 | 0.10 | 0.04 | 0.06 |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation | Max. Hardness |
|---|---|---|---|---|
| WPHY 70 | 550–725 | 485 | ≤28% | 22 HRC (235 HBW) |
| Nominal Pipe Size (inch) | Nominal Pipe Size (mm) | Outside Diameter (inch) | Caps Length (inch) | Straight Tees Center to End (inch) | Straight Crosses Center to End (inch) | Stub Ends Lap Dia. (inch) | Stub Ends Long Len. (inch) | Stub Ends Short Len. (inch) |
|---|---|---|---|---|---|---|---|---|
| 1/2 | 21.3 | 0.840 | 1 | 1 | — | 1 3/8 | 3 | 2 |
| 3/4 | 26.7 | 1.050 | 1 | 1 1/8 | — | 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 1/2 | 1 7/8 | 1 7/8 | 2 1/2 | 4 | 2 |
| 1 1/2 | 48.3 | 1.900 | 1 1/2 | 2 1/4 | 2 1/4 | 2 7/8 | 4 | 2 |
| 2 | 60.3 | 2.375 | 1 1/2 | 2 1/2 | 2 1/2 | 3 5/8 | 6 | 2 1/2 |
| 2 1/2 | 73.0 | 2.875 | 1 1/2 | 3 | 3 | 4 1/8 | 6 | 2 1/2 |
| 3 | 88.9 | 3.500 | 2 | 3 3/8 | 3 3/8 | 5 | 6 | 2 1/2 |
| 3 1/2 | 101.6 | 4.000 | 2 1/2 | 3 3/4 | 3 3/4 | 5 1/2 | 6 | 3 |
| 4 | 114.3 | 4.500 | 2 1/2 | 4 1/8 | 4 1/8 | 6 3/16 | 6 | 3 |
| 5 | 141.3 | 5.563 | 3 | 4 7/8 | 4 7/8 | 7 5/16 | 8 | 3 |
| 6 | 168.3 | 6.625 | 3 1/2 | 5 5/8 | 5 5/8 | 8 1/2 | 8 | 3 1/2 |
| 8 | 219.1 | 8.625 | 4 | 7 | 7 | 10 5/8 | 8 | 4 |
| 10 | 273.1 | 10.750 | 5 | 8 1/2 | 8 1/2 | 12 3/4 | 10 | 5 |
| 12 | 323.9 | 12.750 | 6 | 10 | 10 | 15 | 10 | 6 |
| DN | Schedule 10S: 90° Elbow | Schedule 10S: 45° Elbow | Schedule 10S: Equal Tee | Schedule 40S: 90° Elbow | Schedule 40S: 45° Elbow | Schedule 40S: Equal Tee | Schedule 80S: 90° Elbow | Schedule 80S: 45° Elbow | Schedule 80S: Equal Tee |
|---|---|---|---|---|---|---|---|---|---|
| 8 | 0.02 | 0.01 | 0.03 | 0.03 | 0.02 | 0.06 | 0.04 | 0.03 | 0.07 |
| 10 | 0.03 | 0.02 | 0.05 | 0.03 | 0.02 | 0.03 | 0.06 | 0.04 | 0.09 |
| 15 | 0.06 | 0.03 | 0.09 | 0.08 | 0.04 | 0.10 | 0.10 | 0.05 | 0.14 |
| 20 | 0.07 | 0.03 | 0.13 | 0.08 | 0.04 | 0.17 | 0.11 | 0.05 | 0.20 |
| 25 | 0.14 | 0.08 | 0.28 | 0.15 | 0.11 | 0.29 | 0.22 | 0.14 | 0.38 |
| 32 | 0.23 | 0.11 | 0.49 | 0.26 | 0.17 | 0.59 | 0.40 | 0.23 | 0.68 |
| 40 | 0.30 | 0.17 | 0.68 | 0.40 | 0.23 | 0.86 | 0.51 | 0.29 | 1.02 |
| 50 | 0.50 | 0.25 | 0.85 | 0.70 | 0.40 | 1.28 | 0.91 | 0.59 | 1.59 |
| 65 | 0.85 | 0.48 | 1.41 | 1.40 | 0.77 | 2.19 | 1.81 | 0.99 | 3.13 |
| 80 | 1.25 | 0.63 | 1.77 | 2.20 | 1.08 | 3.31 | 2.97 | 1.50 | 4.45 |
| 90 | 1.70 | 0.75 | 2.67 | 2.83 | 1.42 | 4.08 | 4.00 | 2.00 | 5.44 |
| 100 | 2.10 | 1.08 | 3.46 | 4.47 | 2.09 | 5.27 | 6.18 | 2.81 | 7.71 |
| 150 | 5.45 | 2.72 | 8.07 | 10.89 | 5.44 | 10.99 | 16.32 | 8.16 | 13.61 |
| 200 | 10.20 | 5.33 | 15.65 | 21.54 | 10.77 | 20.91 | 33.11 | 16.56 | 28.12 |
| 250 | 18.15 | 9.75 | 26.46 | 38.56 | 19.27 | 35.38 | 51.71 | 25.86 | 49.90 |
| 300 | 25.80 | 13.62 | 39.46 | 59.42 | 29.71 | 62.14 | 79.38 | 39.69 | 83.91 |
ASTM A860 WPHY 70 Pipe Fittings are high-yield carbon steel butt-weld fittings used in high-pressure piping and pipeline systems.
WPHY stands for Wrought Pipe High Yield, while 70 indicates a minimum 70 ksi yield strength.
Yes. They are designed for high-strength piping applications and can be used in high-pressure systems when the correct specifications and design requirements are selected.
Yes. WPHY 70 fittings are suitable for oil and gas pipelines where high strength and reliable performance are required.
WPHY 70 fittings can undergo normalizing, quenching, and tempering depending on the manufacturing and specification requirements.
Yes. They can be welded using suitable welding procedures and compatible filler materials.