SS347/347H Stainless Steel Flange
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of ss347/347h stainless steel flange in China. If you're going to wholesale high quality ss347/347h stainless steel flange made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Stainless Steel 347 Flanges has good forming and welding qualities at cryogenic temperature. This alloy has excellent toughness at high temperatures. This SS 347 alloy is mostly used in elevated temperature applications. Resistance to intergranular corrosion increases due to the addition of columbium and tantalum. This stainless-steel alloy is the higher carbon variant of the alloy, and it increases the creep resistance and for higher strength at temperatures.

Our Stainless Steel 347H flanges have a high level of corrosion resistance in highly oxidizing environments. Our Flanges made of SS 347 are almost non-magnetic in the annealed state. This alloy is hardened by cold working, not by hot working. This alloy is not performed well in small concentrations and sulfuric acid. We provide SS 347H Flanges that show many mechanical and physical properties such as tightness, flash point, flexibility, elastic limit, and prolongation.
| Specification | STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
|---|---|---|---|---|---|---|
| Chemical Composition | SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | X6CrNiNb18-12 |

Our flanges have thermal conductivity and electrical resistivity, as well as an average thermal expansion coefficient. Our products have some characteristics like high creep and stress rupture properties. Our manufactured Stainless Steel 347 Flanges are commonly used in aircraft engine components, petroleum refineries, and power generation. These products are also used in heat exchanger's, pressure vessels, welded fabrications, and other high heat applications.
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