ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS H 4631 : 2018
Titanium and titanium alloys -- Welded tubes for heat exchangers
2018
27
Std. JISn 2021
This Standard specifies the titanium and titanium alloy welded tubes having a circular cross-section, intended for the use in appliances where heat is exchanged between the inside and the outside of the tube wall.