SUS347/06Cr18Ni11Nb/S34700/1.4550 bolts are austenitic stainless steel with excellent resistance to intergranular corrosion.
It has good corrosion resistance in acid, alkali, and salt solutions, and good oxidation resistance and weldability in air below 800 ℃. 347 stainless steel has excellent high-temperature stress rupture performance and high-temperature creep resistance, and its stress mechanical properties are superior to 304 stainless steel. Widely used in aviation, power generation, chemistry, petrochemicals, food, papermaking and other fields.
SUS347/06Cr18Ni11Nb/S34700/1.4550 bolt chemical composition:
Silicon Si: ≤ 1.00
Phosphorus P: ≤ 0.045
Sulfur S: ≤ 0.030
Niobium Nb: ≥ 10 * C
Chromium Cr: 17.00~19.00
SUS347/06Cr18Ni11Nb/S34700/1.4550 bolt solid solution treatment state material properties:
Yield strength (N/mm2) ≥ 206
Tensile strength (N/mm2) ≥ 520
Elongation rate EL (%) ≥ 40
HB:≤187
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