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1. Introduction
Titanium Square Tube
Titanium Welded Tube
Titanium Round Tube
Titanium Seamless Tube
2. Materials & standards
Materials Grade 1, Grade 2, Grade 5, Grade 7, Grade 9, Grade 12
Standard ASTM B861, ASTM B862, ASTM B337, ASTM B338 and ASTM 4942
Technique Hot forging, hot rolled, cold rolled
States Annealed (M)
Shape Round, square, coiling
Surface Pickling or Bright
Note: Non-standard sizes are also available.
3. Characters
Low Modulus of Elasticity
Good thermal properties
Nonmagnetic and Non-toxic
Excellent Bearing to cryogenic property
Good resistance to effect of heat
Excellent Corrosion Resistance
Low Density and High Strength
4. Process
The raw materials - Flat - end uncoiling shearing and welding - Welding - loop forming - both inside and outside the weld bead removal pre correction - induction heat treatment, sizing and alignment: eddy current testing - cut - pressure check final inspection, packing, pickling and shipment.
5. Chemical Requirements
 Grade N C H Fe O Al V Pa Mo Ni Ti
GR 1 0.03 0.08 0.015 0.20 0.18 / / / / / bal
GR 2 0.03 0.08 0.015 0.30 0.25 / / / / / bal
GR 5 0.05 0.08 0.015 0.40 0.20 5.5~6.75 3.5~4.5 / / / bal
GR 7 0.03 0.08 0.015 0.30 0.25 / / 0.12~0.25 / / bal
GR 9 0.03 0.08 0.015 0.25 0.15 2.5~3.5 2.0~3.0 / / / bal
GR 12 0.03 0.08 0.015 0.30 0.25 / / / 0.2~0.4 0.6~0.9 bal
6. Physical Properties
Grade State Tensile strength(min) Yeild strength (min) Elongation (%)Ksi MPa ksi MPa 
GR 1 （M）Annealed 35 240 20 138 24
GR 2 （M）Annealed 50 345 40 275 20
GR 5 （M）Annealed 130 895 120 828 10
GR 7 （M）Annealed 50 345 40 275 20
GR 9 （M）Annealed 90 620 70 438 15
GR 12 （M）Annealed 70 438 50 345 18
7. Production specifications
Types OD (Outside Diameter)(mm) Wall Thickness (mm) Length (mm)
Thin wall Tubes 3 - 133 0.5 – 12.0 Max. 12000
Thick wall Tubes 50 - 80 1.0 – 100.0 Max. 4000
Note: Non-standard sizes are also available.