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ASTM 234 Butt Weld Tube Fittings Alloy Steel Pipe Fittings Black Color
ASTM A234 butt weld fittings are conform to ASME/ANSI B16.9 which covers overall dimensions, tolerances, ratings, testing and markings for wrought carbon steel and alloy steel pipe fittings.
Zizi Engineering is one of the top manufacturer, exporter and supplier of carbon steel and alloy steel buttweld fittings which are available in various sizes, dimension and shapes according to our client’s requirement. We can supply various grades such as ASTM A234 WPB/WPC, WP9, WP91, WP5, WP11, WP12, WP22.
Specification of Butt Weld Fittings
Standard | ASTM A234, ASME B16.9 |
Size | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
Thickness | Schedule S10, S20, S30, STD, S40, S60, XS, S80, S100, S120, S140, S160, XXS |
Elbow
According to the angle, they can be divded into 30 degree elbow, 45 degree elbow and 90 degree elbow.
For the bending radius, there are long radius (1.5D) and short radius (1D)
Tee
When the run pipe size is same as branch pipe size, we can call it as equal tee or straight tee.
While the branch diameter is small than run pipe diameter, it is reducing tee.
Cap
It is used to seal the end of pipeline by welding. And they have same size and thickness.
Bend
It has same function and degree as elbow which used to change the direction of pipeline. The difference is the bending radius. Usually bend radius is 3D or above. Such 3D, 4D, 5D, 6D,7D, 8D, 9D, 10D, etc.
Stub End
Stub end is used to match with the lap joint flange. There are two type that long pattern and short pattern.
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| WPB | 0.3 | 0.1 | 0.29 - 1.06 | 0.05 | 0.058 | 0.4 | 0.4 | 0.15 |
| WP5 CL1 | 0.15 | 0.5 | 0.3 - 0.6 | 0.04 | 0.03 | 4 - 6 | / | 0.44 - 0.65 |
| WP5 CL3 | 0.15 | 0.5 | 0.3 - 0.6 | 0.04 | 0.03 | 4 - 6 | / | 0.44 - 0.65 |
| WP9 CL1 | 0.15 | 1 | 0.3 - 0.6 | 0.03 | 0.03 | 8 - 10 | / | 0.9 - 1.1 |
| WP9 CL3 | 0.25 | 1 | 0.3 - 0.6 | 0.03 | 0.03 | 8 - 10 | / | 0.9 - 1.1 |
| WP11 CL1 | 0.05 - 0.15 | 0.5 - 1 | 0.3 - 0.6 | 0.03 | 0.03 | 1 - 1.5 | / | 0.44 - 0.65 |
| WP11 CL2 | 0.05 - 0.2 | 0.5 - 1 | 0.3 - 0.8 | 0.04 | 0.04 | 1 - 1.5 | / | 0.44 - 0.65 |
| WP11 CL3 | 0.05 - 0.2 | 0.5 - 1 | 0.3 - 0.8 | 0.04 | 0.04 | 1 - 1.5 | / | 0.44 - 0.65 |
| WP12 CL1 | 0.05 - 0.2 | 0.6 | 0.3 - 0.8 | 0.045 | 0.045 | 0.8 - 1.25 | / | 0.44 - 0.65 |
| WP12 CL2 | 0.05 - 0.2 | 0.6 | 0.3 - 0.8 | 0.045 | 0.045 | 0.8 - 1.25 | / | 0.44 - 0.65 |
| WP22 CL1 | 0.05 - 0.15 | 0.5 | 0.3 - 0.6 | 0.04 | 0.04 | 1.9 - 2.6 | / | 0.87 - 1.13 |
| WP22 CL3 | 0.05 - 0.15 | 0.5 | 0.3 - 0.6 | 0.04 | 0.04 | 1.9 - 2.6 | / | 0.87 - 1.13 |
| Grade | Tensile Strength (Mpa) | Yiled Strength (Mpa) | Elongation (%) | HB |
| WPB | 415 - 655 | 240 | 22 | 197 |
| WP5 CL1 | 415 - 585 | 205 | 22 | 217 |
| WP5 CL3 | 520 - 690 | 310 | 22 | 217 |
| WP9 CL1 | 415 - 585 | 205 | 22 | 217 |
| WP9 CL3 | 520 - 690 | 310 | 22 | 217 |
| WP11 CL1 | 415 - 585 | 205 | 22 | 197 |
| WP11 CL2 | 485 - 655 | 275 | 22 | 197 |
| WP11 CL3 | 520 - 690 | 310 | 22 | 197 |
| WP12 CL1 | 415 - 585 | 220 | 22 | 197 |
| WP12 CL2 | 485 - 655 | 275 | 22 | 197 |
| WP22 CL1 | 415 - 585 | 205 | 22 | 197 |
| WP22 CL3 | 520 - 690 | 310 | 22 | 197 |
