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Precipitation Hardening(PH) Stainless Steels

Precipitation hardening stainless steels are materials that maintain corrosion resistance as stainless steel while its strength can be increased by precipitation hardening (age hardening) .

In particular, SUS631 is a soft metastable austenite phase in the annealed (solution heat-treated) state. As a result, it can withstand complex machining as well as austenitic stainless steel, and its strength can be increased by precipitation hardening (heat treatment) after machining.

TOKKIN supplies three types of steel: SUS631 (17-7PH), SUS632J1 (15-7PH), and TOKKIN 350, and can propose steel grades according to customer applications and processing methods.
SUS632J1 (15-7PH) | PH Stainless Steel for Springs
SUS632J1 (15-7PH) | PH Stainless Steel for Springs
SUS632J1 (15-7PH) | PH Stainless Steel for Springs

SUS632J1 (15-7PH) | PH Stainless Steel for Springs

MOQ : 100 Kilograms

  • Application
  • Other, Steel Belts, Bandsaws, Mask Frame Springs, Vibration Motors/Haptics, Springs
  • Chemical Composition
  • Refer to the image
  • Grade
  • SUS632J1 (15-7PH)
  • Shape
  • Coil, Sheet
  • Surface
  • Bright, Dull
  • Temper
  • BA (Bright Annealed), 2B (Skin Passed), As Rolled (1/2H, 3/4H)
  • Thickness
  • 0.030 to 2.0 Millimeter (mm)
  • Width
  • 3.0 to 300 Millimeter (mm)
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SUS631 (17-7PH) - UNS S17700 | PH Stainless Steel for Springs
SUS631 (17-7PH) - UNS S17700 | PH Stainless Steel for Springs
SUS631 (17-7PH) - UNS S17700 | PH Stainless Steel for Springs

SUS631 (17-7PH) - UNS S17700 | PH Stainless Steel for Springs

MOQ : 100 Kilograms

  • Application
  • Other
  • Chemical Composition
  • Refer to the image
  • Grade
  • SUS631 (17-7PH)
  • Shape
  • Coil, Sheet
  • Surface
  • Bright, Dull
  • Temper
  • BA (Bright Annealed), 2B (Skin Passed), As Rolled (1/2H, 3/4H, H, EH)
  • Thickness
  • 0.030 to 3.0 Millimeter (mm)
  • Width
  • 3.0 to 300 Millimeter (mm)
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TOKKIN 350 - UNS S35000 | PH Stainless Steel

TOKKIN 350 - UNS S35000 | PH Stainless Steel

MOQ : 100 Kilograms

  • Application
  • Other, Bellows, Diaphragms, Valves, Air Conditioner, Actuated Valves, Watch Parts
  • Chemical Composition
  • Refer to the image
  • Grade
  • TOKKIN 350
  • Shape
  • Coil, Sheet
  • Surface
  • Bright, Dull
  • Temper
  • BA (Bright Annealed), 2B (Skin Passed), As Rolled (Hard)
  • Thickness
  • 0.030 to 1.0 Millimeter (mm)
  • Width
  • 3.0 to 300 Millimeter (mm)
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TOKUSHU KINZOKU EXCEL CO., LTD.
Contact Details
  • 6F Mejiro Hakubutsukan Bldg., 1-4-25 Mejiro, Toshima-ku,Tokyo - 1710031, Japan
  • Phone : +81-3-69129232
  • Mr Takao Sueyoshi (Manager)
  • Mobile : +817026632377, +817014150872
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