ステロイド 市販

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Engine Valve Steels

MANUFACTURING ROUTE OF ENGINE VALVE STEELS

Martensitic Grades

Austenitic Grades

Inspection and Testing

  • Surface Quality by M.P.I/ Zyglo/ECT
  • Internal Soundness by Ultrasonic Testing
  • Dimension & Length Controls
  • Metallurgical Testing (Hardness, Microstructure. Inclusion, Grain Size etc.)

International Standards of Valve Steels

Chemical Composition

Product Details

Size Range :
Bright BarsDia 5.00 mm to 100 mm
Hot Rolled Annealed Wire RodDia 5.50 mm to 38 mm
Hot Rol. Annealed BarsDia 15 mm to 160 mm
Standard Length4000+50/-00 mm or as per Customer Specified Length
Supply Conditions :
Dimensional Tolerance: ISO h9, h11, +0.05/-0.00, +0.05/-0.05, + 0.10. Black Bar as per IS-3739
Martensitic GradesHot Rolled, Annealed or Hardened &Tempered
Drawn &Ground, Peeled &Ground and Black bar
Austenitic GradesHot Rolled, Solution Annealed, Peeled &Ground and Black Bar

Mechanical Properties

GradeCondition Yield Strength N/mm2Tensile Strength N/mm2% Elongation min % Reduction in Area minHRC
EN-52/X45CrSi9-3H & T700900-1100144025-35
SUH-11H &T700900-1100144025-35
SUH-3H &T700900-1100144025-35
X85CrMoV18-2H &T8001000-120071225-35
21-2NSolution Annealed550900-115081030-40
21-4NSolution Annealed580950-120081030-40
21-12NSolution Annealed400800-1200354523-25
21-43NSolution Annealed580950-1150101230 min
23-8NSolution Annealed550850-1100253026 min
Inconel 751Solution Annealed630-8501100-1300122032-40