Titanium rod production grade
National standard grades: TA1, TA2, TA3, TA7, TA9, TA10, TC4, TC4ELI, TC6, TC9, TC10, TC11
American standard grades: GR1, GR2, GR3, GR5, GR7, GR12
Production status of titanium rods
Titanium rod production status:
Hot working state (R)
Cold working state (Y)
Annealed state (M)
Solid solution state (ST)
Titanium rod manufacturing process: hot forging hot rolling turning polishing (polishing)
Titanium rod execution standard
National standards: GB/T2965-2007, GB/T13810, Q/BS5331-91
American standards: ASTM B348, ASTM F136, ASTM F67, AMS4928
1、 Referenced standards
1: GB 228 Metal Tensile Test Methods
2: GB/T 3620.1 Titanium and Titanium Alloy Grades and Chemical Composition
3: GB/T3620.2 Chemical composition and allowable deviation of titanium and titanium alloy processed products
4: GB 4698 Chemical analysis methods for sponge titanium, titanium and titanium alloys
2、 Technical requirements
1: The chemical composition of titanium and titanium alloy bars should comply with the provisions of GB/T 3620.1. When repeated testing is required, the allowable deviation of the chemical composition should comply with the provisions of GB/T 3620.2.
2: The diameter or side length of hot processed bars and their allowable deviations should comply with the provisions in Table 1.
3: After hot processing, the diameter deviation of the cold drawn bar after turning (grinding) and cold rolling should comply with the provisions in Table 2.
4: The out of roundness of the polished bar after hot processing should not exceed half of its dimensional tolerance.
5: The indefinite length of the processed bar is 300-6000mm, and the indefinite length of the annealed bar is 300-2000mm. The definite length or double length should be within the indefinite length range. The allowable deviation of the definite length is+20mm; The double length should also be included in the cutting amount of the bar, with each cutting amount being 5mm. The fixed length or double length should be specified in the contract.
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