Wrought Steel Fittings
Buttwelding Fittings are available in either equal or with reducing configurations to suit various pressure ratings using materials as shown in the table below:
For full material details please refer to Section 1.
| Property |
A234 Gr WPB |
A420 Gr WPL6 |
A182 Gr 316L |
A860 Gr WPHY52 |
A182 F51 UNS 31803 |
AISI 4130 |
| Tensile Strength |
60,000 PSI |
60,000 PSI |
70,000 PSI |
66,000 PSI |
90,000 PSI |
105,000 PSI |
| 415 MPa |
415 MPa |
485 MPa |
455 MPa |
620 MPa |
725 MPa |
| Yield Strength |
35,000 PSI |
35,000 PSI |
25,000 PSI |
52,000 PSI |
65,000 PSI |
>80,000 PSI |
| 240 MPa |
240 MPa |
170 MPa |
360 MPa |
450 MPa |
>551 MPa |
| Impact Values Deg C |
N/A |
18J min.av. |
N/A |
27J min.av. |
27J min.av. |
42J min.av. |
| -45 |
-50 |
-50 |
-50 |
| Hardness (Max) |
197 HB |
N/A |
N/A |
235 HB |
237 HB |
237 HB |
| Elongation In 2" or 50mm |
Long: 30% |
Long: 30% |
30% |
32% |
25% |
18% |
| Trans: 20% |
Trans: 16% |
Our spec-sheet includes all the relevant information regarding our products. You can download it below. Feel free to contact us if anything isn't clear or for any more information.

If you would like to download the brochure for our entire range of products, please click this link.
info@at-engineering.co.uk