About 347 SS Round Bars

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347 round bar

A276 347 Round Bar ASTM Stainless steel bars are unquestionably one of the essential elements of any manufacturing business, or for that matter, any industry that depends on machinery. They are used throughout a variety of industries, including aerospace, automotive, textile, fabrication, cement, shipbuilding, paper & pulp, and large earth-moving machinery.

Columbium stabilized austenitic stainless steel plate in alloy 347 (UNS S34700) has a little stronger resilience to severe oxidizing conditions than alloy 321 and good overall corrosion resistance (UNS S32100). After being exposed to temperatures in the chromium carbide precipitation range of 800 – 1500°F (427 – 816°C), it exhibits exceptional resistance to intergranular corrosion. The alloy has a creep strength limit of 1500°F (816°C) and strong oxidation resistance. It has good low-temperature toughness, as well.

Chemical Composition of SS 347 Round Bars

  • C – 0.08 max
  • Mn – 2.0 max
  • Si – 1.0 max
  • P – 0.045 max
  • S – 0.030 max
  • Cr – 17.00 – 20.00
  • Cb – 10xC – 1.10
  • Ni – 9.00 – 13.00
  • Fe – 62.74 min

Mechanical & Physical Properties of 347 Round bars

  • UNS No – S34700
  • Grade – 347
  • Proof Stress 0.2% (MPa) – 205
  • Tensile Strength (MPa) – 515
  • Elongation A5(%) – 40
  • Hardness Max – 201(HB) & 92(HRB)

347 Round Bar Manufacturing Process

  • Hot Rolled processing
  • Cold Rolled processing
  • Hot Forging processing
  • Rolling processing
  • Machining processing

Applications of 347 SS Round Bar

  • Engineering for pipelines.
  • Naval sector.
  • Industrial Chemistry.
  • Oil and gas sector.
  • Engineering in plants.
  • Industry of petrochemicals.
  • Energy sector.
  • Aerospace.
  • Food Manufacturing Industry.

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