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ASTM Grade 21

Data Table for: Steel Grades : Carbon Steel : ASTM Grade 21

Chemical composition(mass fraction)(wt.%)

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

√

√

√

√

√

Can produce ASTM Grade 21 specifications and size

  • Steel grade
  • Specification
  • Processing range(mm)
  • ASTM Grade 21
  • ASTM Grade 21
  • ASTM Grade 21
  • ASTM Grade 21
  • ASTM Grade 21
  • ASTM Grade 21
  • 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

 

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.2-0.3 1.0 1.0 0.04 0.04 25.0-29.0 1.75-3.75
Mo Al Cu Nb Fe W V
5.0-6.0       ≤3.0    
N Co Pb B Other    
      ≤0.007      
             

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