Grade Grade 1
USA UNS R50250
Corresponding Standard ASTM B265-2015
Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate
Classification Titanium and Titanium Alloys
Properties Corrosion Resistance Low-Temperature Toughness Impact Toughness Weldability
Grade 1 Chemical Element Composition Content (%)
Component Fe C N H O Other Individual Other Total More
Minimum Value - - - - - - - Ti:余量
Maximum Value 0.2 0.08 0.03 0.015 0.18 0.1 0.4
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
Grade 1 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Reduction of Area
ψ
%
Thick plate, thin plate, strip Annealing ≥240 138~310 ≥24
Approximate Comparison Table Processing Titanium and Titanium Alloys
China Japan United States International Organization for Standardization Germany France Russia
GB JIS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST
TA1 Class 2
Ti≥99.49
Grade 1 R50250 Grade 1(Ti≥99.53) Ti2(Ti≥99.50) 3.7035 T-40(Ti≥99.54) ВТ1-00(Ti99.57)
Grade1 Corresponding Standards(Same grade name, different standards)

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