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Product Details
With wide experience and expertise, Beall Industry Group is one of the leading 347/347h stainless steel manufacturers and suppliers. We have hundreds of high-qualified workers at your service. Please rest assured to get the competitive price 347/347h stainless steel for sale with us.
 347 Stainless Steel Bar |  347 Stainless Steel Pipe |  347 Stainless Steel Sheet Plate |
Stainless steel alloy 347/347H is a stabilized, austenitic, chromium steel containing columbium which allows for the elimination of carbide precipitation, intergranualr corrosion. 347 is stabilized by the additions of chromium and tantalum and offers higher creep and stress rupture properties than alloy 304 and 304L which may also be used for exposures where sensitization and intergranualr corrosion are of concern. The addition of columbium also allows Alloy 347 to have excellent corrosion resistance, even superior to that of alloy 321. 347H is the higher carbon composition form of Alloy 347 and demonstrates improved high temperature and creep properties.
Standard:
ASTM/ASME: UNS S34700 / S34709
EURONORM: FeMi35Cr20Cu4Mo2
DIN: 2.4660
Grade | Chemical Component % | |||||||||||
C | Cr | Ni | Mn | P | S | Mo | Si | Cu | N | Other | ||
347 | 0Cr18Ni11Nb | ≤0.08 | 17.00-19.00 | 9.00-13.00 | ≤2.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | Nb≥10*C% |
347H | * | 0.04-0.1 | 17.00-19.00 | 9.00-13.00 | ≤2.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | Nb≥10*C% |
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