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347 / 347H

347H stainless steel is an austenitic grade offering excellent corrosion resistance and enhanced high-temperature strength. Available in sheets, strips, bars, beams, and seamless or welded tubes for high-temperature and pressure applications.
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Austenitic stainless steels that offer high-temperature strength and excellent corrosion resistance. 347H stainless steel has a similar chemical composition to 347 stainless steel, but it has a higher carbon content to provide enhanced high-temperature strength. Available in hot and cold rolled sheet and strip, bars, beams, flat bars and round bars as well as seamless and welded tubes suitable high-temperature and pressure environments.
ASME UNS WERKSTOFF NR. EN JIS BS AFNOR
SA-240 Type 316Ti S31635 1.4571 X6CrNiMoTi17-12-2 SUS316Ti 316S31 Z6CNDT17-12
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Quote347 / 347H
Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

Chemical Properties
Grade Carbon Manganese Phosphorus Sulfur Silicon Chromium Nickel
347 0.08 max 2.00 max 0.045 max 0.030 max 1.00 max 17.00 - 19.00
9.00 - 13.00
347H 0.04 - 0.10 2.00 max 0.045 max 0.030 max 1.00 max 17.00 - 19.00 9.00 - 13.00
Mechanical Properties
Tensile Strength (min) Yield Strength (min) Elongation in 2" (min)
75 ksi [515 MPa] 30 ksi [205 MPa] 40%

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