Cast Grade

Cast Grade: 21-6-9

Wrought UNS: S21900

Cr: 19.0 - 21.5

Fe: Bal

Mn: 8.0 - 10.0

Ni: 5.5 - 7.5

Si: 1.00 max

C Max: 0.08 max

Other: P 0.04 max; S 0.04 max; N 0.15-0.40

Brinell Typical: 185

Tensile, ksi: 90

Tensile, MPa: 620

Yield, ksi: 48

Yield, MPa: 330

Elongation %: 35

Heat Treatment: Solution Annealed

• 
  Metal industrial valves
• 
  Stainless steel casting and CNC turn
• 
  Carbon steel casting and CNC machini
• 
  Pipe coupling high precision
• 
  Investment castings
• 
  Power machine investment casting
• 
  Stainless steel high precision pipe
• 
  Customerized stainless steel bend

• Water Glass Casting Process
• Silica Sol Casting Process

• Auto spare parts
• Hardware parts
• Railway parts
• Valves parts
• Engineering machinery parts
• Aerospace parts