JIS G4903 Seamless Nickel-Chromium-Iron Alloy Pipes

JIS G4903 Seamless Nickel-Chromium-Iron Alloy Pipes

JIS G4903 Seamless Nickel-Chromium-Iron Alloy Pipes

1. Scope
This Japanese Industrial Standard specifies the seamless nickel-chromium-iron alloy pipes intended for the use of pipings of corrosion-resisting and high temperature service.

2. Grade and symbol
Pipes shall be classified into 6 grades and their symbols shall be as below.
JIS G4903 NCF600TP
JIS G4903 NCF625TP
JIS G4903 NCF690TP
JIS G4903 NCF800TP
JIS G4903 NCF800HTP
JIS G4903 NCF825TP

3. JIS Number and Corresponding ASTM Standard
JIS G4903 NCF600TP = ASTM B167 NO6600
JIS G4903 NCF800TP = ASTM B407 NO8800
JIS G4903 NCF825TP = ASTM B423 NO8825

4. The Chemical Composition and Mechanical Properties in details, please check JIS G4903
5. The tolerance on dimension in details, please check JIS G4903

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