ZIZI ENGINEERING CO.,LTD
ZIZI ENGINEERING CO., LTD
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Zizi is an ISO 9001:2008 certified manufacturer and we supply best quality Sch 40 Reducer 3 " x 2 1/2 " Seamless ASTM A234 WP91 ASME16.9 Steel Pipe Reducer to customers with attentive service.
Butt weld pipe reducers contain concentric reducer and eccentric reducer, they are made of carbon steels, alloy steels or stainless steels. In the most cases, their dimensions are complied with ASME B16.9, but stainless steel pipe reducers are conform to ASME B36.19 as well.
| Size | 1/2" - 60" |
| Wall Thickness | Sch10S, 20S, 40S, STD, XS, 80S, 100, 120, 140, 160, XXS |
| Standard | ASME B36.19 |
| Types | Seamless Reducer, Welded Reducer, Concentric Reducer, Eccentric Reducer |
| Stainless Steel | ASTM A403 WP304/304L,WP304H,WP316/316L,WP310,WP317,WP321 |
| Duplex Steel | ASTM A815 UNS S 31803, S 32205, S 32550, S 32750, S 32760 |
| Carbon Steel | ASTM A234 WPB, A860 WPHY42, 52, 60, 65, 70 |
| Low Temp Carbon Steel | ASTM A420 WPL3, WPL6, WPL9 |
| Alloy Steel | ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91 |
ASTM A234 WP91 Chemical Composition
| C | Mn | P | S | Si | Cr | Mo |
| 0.08-0.12 | 0.3-0.6 | 0.015 | 0.02 | 0.2-0.5 | 8-9.5 | 0.85-1.05 |
ASTM A234 WP91 Mechanical Properties
| Tensile Strength | Yield Strength | Elongation |
| 590 (Mpa) | 415 (Mpa) | 20 (%) |