United States · ASTM

B862 Grade 20

ASTM B862:2009 — Standard Specification for Titanium and Titanium Alloy Welded Pipe

Chemical composition

wt% · log scale
0.010.1110100Al3 – 4C0.05Cr5.5 – 6.5Fe0.3H0.02Mo3.5 – 4.5N0.03O0.12Pd0.04 – 0.08Total Each0.15Total Others0.4V7.5 – 8.5Zr3.5 – 4.5
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥759 MPaTensile strength Rm≥793 MPaElongation A≥15 %welded steel tube, Solution treatedYield strength Rp0.21103–1276 MPaTensile strength Rm≥1138 MPaElongation A≥5 %welded steel tube, Solution treated and aged - High strengthYield strength Rp0.2897–1096 MPaTensile strength Rm≥930 MPaElongation A≥10 %welded steel tube, Solution treated and aged - Moderate strength

Chemical composition

ElementminmaxSimilarRemarks
Al34
C0.05
Cr5.56.5
Fe0.3
H0.02
Mo3.54.5
N0.03
O0.12
Pd0.040.08
Ti​​Bal​​
Total Each0.15
Total Others0.4
V7.58.5
Zr3.54.5

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
welded steel tube, Solution treated≥759≥793≥15
welded steel tube, Solution treated and aged - High strength1103–1276≥1138≥5
welded steel tube, Solution treated and aged - Moderate strength897–1096≥930≥10