Is A234 WPB seamless or welded?
There are ERW and seamless A234 WPB pipe fitting; the seamless fitting is made up of seamless steel pipe and ERW means that fitting is produced using ERW stainless steel pipe. Also welded pipe of A234 WPB grade means that the large size of fitting that is piece welded from the steel plates.
What is the material of A234 WP91 Elbow?
ASTM A234 WP91 Pipe Fittings are made up of a chromium molybdenum alloy like all A234 specification pipes with the molybdenum content ranging from 0.85% to 1.05% and the chromium content between 8 and 9.5%.
Chemical Composition % Of ASTM A234 Wp91 Pipe Fittings
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP91 | 0.08-0.12 | 0.3-0.6 | 0.2-0.5 | ≤0.02 | ≤0.015 | 8-9.5 | 0.85-1.05 |
Mechanical Properties Of ASTM A234 Wp91 Pipe Fittings
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP91 | ≥590 | ≥415 | ≥20 |
ASTM A234 Wp91 Pipe Fittings Production Range
| Grade Specification | Carbon Steel: ASTM/ASME A234 WPB |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Range | ½"NB to 48"NB in Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
Carbon steel pipe Fittings
Gnee has an ISO9001-2000 quality management system and an ISO14001 environmental protection system. At the same time, it actively develops diversification and has formed mainly carbon steel and stainless steel, covering pipes, profiles, plates and other products. Exported to more than 60 countries and regions including Kazakhstan, Canada, India, Brazil, and Southeast Asia.
Our stock pipe sizes range from 20mm to 406mm outer diameter and 2mm to 70mm wall thickness.
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A.With us, you will get the most competitive price, guaranteed quality, guaranteed delivery and after-sales service.
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A.Yes, we have got BV.SGS certification.
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