JIS G3464 Steel Heat Exchanger Tubes for Low Temperature Service

JIS G3464 Steel Heat Exchanger Tubes for Low Temperature Service

JIS G3464 Steel Heat Exchanger Tubes for Low Temperature Service

1. Scope
This Japanese Industrial Standard specifies the steel tubes used for the purpose of exchanging heat on the inside and outside of the tube at exceptionally low temperature below freezing point, such as heat exchanger tubes, condenser tubes, etc.

2. Steel Grade
STBL 380 (STBL 39)
STBL 450 (STBL 46)
STBL 690 (STBL 70)

3. Heat Treatment
STBL 380, STBL 450 - Normalizing or normalizing and successive tempering
STBL 690 - Double normalizing and successive tempering or quenching and tempering

4. The details of chemical composition and mechanical properties, please check G3464.

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