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ASTM A182 F51 S31803 flange class150-Class2500

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China Hebei Lufeng Piping Equipment Co., Ltd. certification
China Hebei Lufeng Piping Equipment Co., Ltd. certification

ASTM A182 F51 S31803 flange class150-Class2500

Detailed Product Description

ASTM A182 – Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

Grade: F51 Ferritic-Austenitic Stainless Steel

Chemical Requirements max, %

Elements F51 (S31803)
Carbon 0.030
Manganese 2.00
Phosphorus 0.030
Sulfur 0.020
Silicon 1.00
Nickel 4.5-6.5
Chromium 21.0-23.0
Molybdenum 2.5-3.5
Nitrogen 0.08-0.20

 

Tensile and Hardness Requirements

Grade Symbol F51 (S31803)
Tensile Strength,min, ksi [Mpa] 90[620]
Yield Strength, min,ksi [MPa] 65[450]
Elongation in 2 in.[50 mm] or 4D,min, % 25
Reduction of Area, min, % 45
Brinell HardnessNumber

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