This Japanese Industrial Standard specifies the titanium and titanium alloy tubes having a circular cross-section, intended for use in appliances where heat is exchanged between the inside and outside of the tube wall (hereafter referred to as "tubes").
JIS H 4631:2012 Referenced Document
JIS H 0321 General rules for inspection of non-ferrous metal materials
JIS H 0515 Eddy current inspection of titanium pipes and tubes
JIS H 0516 Ultrasonic inspection of titanium pipes and tubes
JIS H 0517 Differential pressure testing method of titanium welded tubes
JIS H 1610 Titanium and titanium alloys -- Sampling methods
JIS H 1612 Methods for determination of nitrogen in titanium and titanium alloys
JIS H 1614 Methods for determination of iron in titanium and titanium alloys
JIS H 1617 Methods for determination of carbon in titanium and titanium alloys
JIS H 1619 Titanium and titanium alloys -- Determination of hydrogen content
JIS H 1620 Methods for determination of oxygen in titanium and titanium alloys
JIS H 1621 Methods for determination of palladium in titanium alloys
JIS H 1622 Titanium alloys -- Methods for determination of aluminium
JIS H 1630 Method for atomic emission spectrometric analysis of titanium
JIS H 1631 Titanium alloys -- Method for X-ray fluorescence spectrometric analysis
JIS Z 2241 Metallic materials -- Tensile testing -- Method of test at room temperature*， 2022-09-20 Update
JIS H 4631:2012 history
2018JIS H 4631:2018 Titanium and titanium alloys -- Welded tubes for heat exchangers
2012JIS H 4631:2012 Titanium and titanium alloys -- Tubes for heat exchangers
2006JIS H 4631:2006 Titanium and titanium alloy tubes for heat exchangers
2001JIS H 4631:2001 Titanium and titanium alloy tubes for heat exchangers