347 Stainless Steel
About 347 Stainless Steel
347 is an austenitic solution treated stainless steel material which contains niobium. This alloy is known for its excellent high-temperature resistance, good corrosion resistance, and stability in high-stress environments, making it ideal for applications involving elevated temperatures.
347 stainless is particularly useful in applications that require both good corrosion resistance and strength at elevated temperatures, like in chemical processing, aerospace, and power generation industries.
347 Stainless Steel Grades & Equivalents
- ASTM A193 B8C CLASS 1
- ASTM A320 B8C CLASS 1
- ASTM A276 S34700
- ASTM A479 S34700
- BS4882 B8C
- 1.4550
- BS970 347S31
Typical chemical analysis
Typical mechanical properties
Tensile Strength
515 N/mm2 min
0.2% Proof Stress
205 N/mm2 min
Elongation
30%
Impacts
Nil
Hardness
223 HBw
Reduction of Area
50%
Stress Rupture
Nil
Other Remarks
Mechanicals may vary slightly depending on specification (above taken from ASTM A193)
Download metal data sheets
347 Stainless Steel Material Data Sheet
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