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70Si7

Data Table for: Steel Grades : Tool Steel And Hard Alloy : 70Si7

Chemical composition(mass fraction)(wt.%)

  • C
  • Si
  • Mn
  • P
  • S
  • 0.65-0.75
  • 1.50-1.80
  • 0.60-0.80
  • Max 0.030
  • Max 0.030

Mechanical Properties

  • Quantity
  • Value
  • Unit
  • Young's modulus
  • Tensile strength
  • Elongation
  • Fatigue
  • Yield strength
  • 200000 - 200000
  • 650 - 880
  • 8 - 25
  • 275 - 275
  • 350 - 550
  • MPa
  • MPa
  • %
  • MPa
  • MPa

Physical Properties

  • Quantity
  • Value
  • Unit
  • Thermal expansion
  • Thermal conductivity
  • Specific heat
  • Melting temperature
  • Density
  • Resistivity
  • 10 - 10
  • 25 - 25
  • 460 - 460
  • 1450 - 1510
  • 7700 - 7700
  • 0.55 - 0.55
  • e-6/K
  • W/m.K
  • J/kg.K
  • °C
  • kg/m3
  • Ohm.mm2/m

Heat Treatment:

Annealing

Quenching

Tempering

Normalizing

Q & T

√

√

√

√

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Can produce 70Si7 specifications and size

  • Steel grade
  • Specification
  • Processing range(mm)
  • 70Si7
  • 70Si7
  • 70Si7
  • 70Si7
  • 70Si7
  • 70Si7
  • Φ1 to Φ2000
  • 10 to 1000
  • 0.08 to 800(T)*10 to 1500(W)*Long
  • Pipe/tube/slugs/donuts/cubes/other shapes
  • OD: Φ4-410; WT: 1-35 mm
  • THK:0.1mm Width:1500mm

Description

Cold working alloy tool steel 70Si7

Standard download

DIN 70Si7 PDF
DIN 70Si7 Word

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