GB/T 3625-2007Titanium and titanium alloy tube for condensers and heat exchangers (English PDF)

1 Scope

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transport and storage, and contract contents for and of titanium and titanium alloy tubes.

This standard is applicable to cold-rolled (cold-drawn) titanium and titanium alloy seamless tubes and welded and welded-rolled titanium and titanium alloy tubes.

This standard is applicable to titanium and titanium alloy tubes for heat exchangers, condensers and pressure vessels.

2 Normative References

The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigendum), or revisions of, any of these publications do not apply. However, parties coming to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards. For undated references, the latest edition of the normative document referred to applies.

GB/T 228 "Metallic Materials - Tensile Testing at Ambient Temperature"

GB/T 241 "Metal Materials - Tube - Hydrostatic Pressure Test"

GB/T 242 "Metallic Materials - Tube - Drift Expanding Test"

GB/T 246 "Metallic Materials - Tube - Flattening Test"

GB/T 3620.1 "Designation and Composition of Titanium and Titanium Alloys"

GB/T 3620.2 "Titanium and Titanium Alloys - Permissible Variations of Chemical Composition for Wrought Product Analysis"

GB/T 4698 (All Parts) "Sponge Titanium, Titanium and Titanium Alloys"

GB/T 8180 "Wrought Titanium and Titanium Alloy Products Packing, Marking, Transporting and Storing" […]