ASME / ASTM Butt weld fittings
We have a well-stocked supply of elbows, tees and reducers according to ASME B 16.9 as well as a large selection for a wide variety of customer requirements.
Our product range covers all common designs and dimensions in different materials. We also supply special butt weld fittings such as lap-joint stub ends in the highest quality.
Designs and standards
Standardised ASME / ASTM butt weld fittings come in a wide variety of designs. We would therefore recommend that you enquire about common variants that you may need to ensure availability.
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| Designs according to | ASME B 16.9 |  Datasheets |
|---|---|---|
| Elbows, seamless and welded | ||
| Long Radius / LR Short Radius / SR Elbows type 3D on request |
1/2" - 48" 1" - 24" |
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| Tees and crosses, seamless and welded | ||
| Equal Reduced |
1/2" - 48" 1/2" - 48" |
Download |
| Reducers, seamless and welded | ||
| Concentric Eccentric |
1/2" - 48" 1/2" - 48" |
Download |
| Caps | ||
| 1/2" - 48" | Download | |
| Lap Joint Stub Ends | ||
| 1/2" - 24" | Download | |
| Special fittings made from plates, steel round-bar according to drawing |
General information
| Information on | ASME | Datasheets |
|---|---|---|
| Tolerances and weld seam preparation | B 16.9 / 16.25 | Download |
Material grades
ASME covers a wide range of materials used for unalloyed, alloyed heat-resistant, low-temperature and stainless steel material grade butt weld fittings. We supply all common types available for delivery.
| Material selection | Material groups |
|---|---|
| A/SA 234, Grade WPB | Unalloyed heat-resistant |
| A/SA 234 Grade WP5, 11, 12, 22, 91 | Alloyed heat-resistant |
| A/SA 420 Grade WPL6 | Low-temperature |
| A 860 Grade WPHY42, 52 | High yield steel |
| L290NE, L360NE | High yield steel |
| A/SA 403 Grade WP 304/l, 321/H, 316/L | Stainless steel |
| UNS S31803 (Duplex), UNS S32750 (Superduplex) | Duplex / Superduplex |
| Special Alloys | Special steel |
Dimensions
The standard allows a variety of options. Availability of individual dimensions and wall thicknesses is limited - please request in advance.
Wall thicknesses
The standards distinguish standard wall thicknesses according to ASME B 36.10 and B 36.19 for stainless steel. We supply all common wall thicknesses from S10 to XXS and S10S to S80S.
Processing and modification
We have a processing service certified by TÜV to saw, bevel, taper, blast, coat, and mark butt weld fittings according to ASME/ASTM for any requirement according to customer specification.
Products compatible with our ASME butt weld fittings
Product catalogues
Refer to our media centre for more details on pipes, flanges, butt weld fittings and pipe equipment according to DIN, EN and ASME.
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DIN EN / DIN Flanges
Tailor-made and individual
With a extensive range of flanges according to DIN and EN 1092-1, we cover the entire range of PED.
Special parts
Tailored to fit
In addition to numerous standardised products, we also supply special parts that have been manufactured according to your special requirements.