Executive standard of titanium rod
National standards: GB / t2965-2007, GB / t13810, Q / bs5331-91
American Standard: ASTM b348, ASTM F136, ASTM F67, ams4928
1、 Reference standard
1: GB 228 metal tensile test method
2: Grade and chemical composition of titanium and titanium alloys (GB / T 3620.1)
3: GB / t3620.2 chemical composition and allowable deviation of titanium and titanium alloy products
4: GB 4698 method for chemical analysis of sponge titanium, titanium and titanium alloys
2、 Technical requirements
1: The chemical composition of titanium and titanium alloy bars shall comply with GB / T 3620.1, and the allowable deviation of chemical composition shall comply with GB / T 3620.2 when repeated inspection is required.
2: The diameter or side length of hot working bar and its allowable deviation shall comply with the provisions in Table 1.
3: After hot working, the allowable diameter deviation of the bar after turning (grinding), cold rolling and cold drawing shall meet the requirements of Table 2.
4: After hot working, the out of roundness of the polished bar should not be more than half of its dimensional tolerance.
5: The unfixed length of bar in processing state is 300-6000 mm, and that in annealing state is 300-2000 mm. The unfixed length or multiple length should be within the range of unfixed length. The allowable deviation of fixed length is + 20 mm. The multiple length should also be included in the cut size of bar, and each hole size is 5 mm. The fixed length or multiple length should be indicated in the contract.
Hotline
+86 18292768861