Material – ASTM A 954 S70003

Standard Specification for Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Pipe

Group - Non-Ferrous Nickel Alloys

Sub Group - ASTM A 954 S70003 Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Pipe

Application - Intended for Valve, Pump, General Engineering, Automotive and other Industries

Grade Belongs to the Industry - Pipe

Chemical Composition
CarbonC %0.020 max.
SiliconSi %6.500 - 8.000
ManganeseMn %2.000 max.
ChromiumCr %8.000 - 11.000
SulphurS %0.010 max.
MolybdenumMo %0.500 max.
PhosphorusP %0.025 max.
NickelNi %22.000 - 25.000
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Heat Treatment
As-Cast or Annealing or Age Hardning
Mechanical Properties
Tensile Strength in Mpa540 min.
Yield Strength in Mpa240 min.
Elongation in %40 min.
Reduction of Area in %-
Hardness in BHN-
Impact in Joule-

Cross Reference Table

Material Standard Country Grade Belong to the Industry
A 946 Grade S70003 ASTM USA Plate, Sheet and Strip
A 953 S70003 ASTM USA Tube
A 968 S70003 ASTM USA Bars and Shapes
1.439 DIN Germany Plate, Sheet and Strip
X 1 NiCrSi 24-9-7 DIN Germany Plate, Sheet and Strip
S70003 UNS USA Plate, Sheet and Strip
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