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Mechanical Properties

Specific Gravity	8.60   Kg/mm3 8.52 x 10-6   Lb. per cu. In 0.308
Ultimate Tensile Strength	Mean Value N/mm2 Tons per sq. in 480 31.07 Min Value for NES.749 PT 3 N/mm2 Tons per sq. in. 450 29.13 Min Value for TCL100 N/mm2 Tons per sq. in. 430 27.84 Min Value for DTD5019 N/mm2 Tons Per sq. in. 417 27.00
0.2% Proof Strength	Mean Value N/mm2 Tons Per sq. in. 240 15.54 Min Value for NES.749 PT 3 N/mm2 Tons Per sq. in. 230 14.89 Min Value for DTD5019 N/mm2 Tons Per sq. in. 216 14.00
Elongation	Mean Value % on 5.65 √ A 45 Min Value for NES.749 PT 3 AND DTD5019 % on 5.65 √ A 40
Hardness	Range for TCL100 HV5 120-140 Range for NES.749 PT 3 HV5 125-140
Modules of Elasticity	In Tension or Compression N/mm2 Lb. per sq.in. 116.5x103 16.9x106 In Tension or Shear N/mm2 Lb. per sq. in. 43.8x103 6.35x106
Poisson's Ratio	0.33
Ultimate Shear Strength	N/mm2 Tons Per sq. in. 253 16.4
Yield point in Shear	N/mm2 Tons Per sq. in. 143 9.3
IZOD Impact Value	J. 41.7

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• Tungum Alloy Tube
• Marine Corrosion Resistance of Tungum Alloy
• Physical Properties of Tungum Alloy
• Comparative and Elevated Temperature Performance
• Fatigue and Low Temperature Characteristics
• General Corrosion Resistance
• Designing with Tungum Alloy
• Tungum Alloy Tubing Metric Range
• Tungum Alloy Tubing Imperial Range
• Specifications and Approvals
• Fabricating Systems in Tungum Alloy
• Information Request Form

Electrical Properties

Electrical Conductivity at 20°c	Referred to Copper 15% ±5%
Specific Resistance at 20°c	Microhms per mm 1.13
Electrochemical Equivalent	Kg per coulomb 32.4
Solution Potential	230   mV Calomel scale
Magnetic Permeability	μ 1.0015

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Thermal Properties

Melting Temperature	°c 1008
Stress relieving Temperature	°c (for 15/20 mins.) 300
Solution Treatment Temperature	°c (for 60 min) 800
Thermal Conductivity	W/m°c 77 at 100°c 103 at 300°c
Coeffefficient of thermal expansion	Per °c 19 x 10-6