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Chemical Composition Requirements for Titanium and Titanium Alloy Electrodes and Rods
AWS Classification
UNS
Numbers
Weight Percenta,b,c,d
C
O
N
H
Fe
Al
V
Pd
Ru
Ni
Other Elements
Amount
ERTi-1
R50100
0.03
0.03-0.10
0.012
0.005
0.08
 
 
ERTi-2
R50120
0.03
0.08-0.16
0.015
0.008
0.12
 
 
ERTi-3
R50125
0.03
0.13-0.20
0.02
0.008
0.16
 
 
ERTi-4
R50130
0.03
0.18-0.32
0.025
0.008
0.25
 
 
ERTi-5
R56402
0.05
0.12-0.20
0.03
0.015
0.22
5.5-6.75
3.5-4.5
 
 
ERTi-7
R52401
0.03
0.08-0.16
0.015
0.008
0.12
0.12-0.25
 
 
ERTi-9
R56321
0.03
0.06-0.12
0.012
0.005
0.20
2.5-3.5
2.0-3.0
 
 
ERTi-11
R52251
0.03
0.03-0.10
0.012
0.005
0.08
0.12-0.25
 
 
ERTi-12
R53401
0.03
0.08-0.16
0.015
0.008
0.15
0.6-0.9
Mo
0.2-0.4
ERTi-13
R53423
0.03
0.03-0.10
0.012
0.005
0.08
0.04-0.06
0.4-0.6
 
 
ERTi-14
R53424
0.03
0.08-0.16
0.015
0.008
0.12
0.04-0.06
0.4-0.6
 
 
ERTi-15A
R53416
0.03
0.13-0.20
0.02
0.008
0.16
0.04-0.06
0.4-0.6
 
 
ERTi-16
R52403
0.03
0.08-0.16
0.015
0.008
0.12
0.04-0.08
 
 
ERTi-17
R52253
0.03
0.03-0.10
0.012
0.005
0.08
0.04-0.08
 
 
ERTi-18
R56326
0.03
0.06-0.12
0.012
0.005
0.20
2.5-3.5
2.0-3.0
0.04-0.08
 
 
ERTi-19
R58641
0.03
0.06-0.10
0.015
0.015
0.20
3.0-4.0
7.5-8.5
Mo
Cr
Zr
3.5-4.5
5.5-6.5
3.5-4.5
ERTi-20
R58646
0.03
0.06-0.10
0.015
0.015
0.20
3.0-4.0
7.5-8.5
0.04-0.08
Mo
Cr
Zr
3.5-4.5
5.5-6.5
3.5-4.5
ERTi-21
R58211
0.03
0.10-0.15
0.012
0.005
0.20-0.40
2.5-3.5
Mo
Nb
Si
14.0-16.0
2.2-3.2
0.15-0.25
ERTi-23
R56408
0.03
0.03-0.11
0.012
0.005
0.20
5.5-6.5
3.5-4.5
 
 
ERTi-24
R56415
0.05
0.12-0.20
0.03
0.015
0.22
5.5-6.75
3.5-4.5
0.04-0.08
 
 
ERTi-25
R56413
0.05
0.12-0.20
0.03
0.015
0.22
5.5-6.75
3.5-4.5
0.04-0.08
 
 
ERTi-26
R52405
0.03
0.08-0.16
0.015
0.008
0.12
0.08-0.14
 
 
 
ERTi-27
R52255
0.03
0.03-0.10
0.012
0.005
0.08
0.08-0.14
 
 
 
ERTi-28
R56324
0.03
0.06-0.12
0.012
0.005
0.20
2.5-3.5
2.0-3.0
0.08-0.14
 
 
 
ERTi-29
R56414
0.03
0.03-0.11
0.012
0.005
0.20
5.5-6.5
3.5-4.5
0.08-0.14
 
 
 
ERTi-30
R53531
0.03
0.08-0.16
0.015
0.008
0.12
0.04-0.08
Co
0.20-0.80
ERTi-31
R53533
0.03
0.13-0.20
0.02
0.008
0.16
0.04-0.08
Co
0.20-0.80
ERTi-32
R55112
0.03
0.05-0.10
0.012
0.008
0.20
4.5-5.5
0.6-1.4
Mo
Si
Zr
Sn
0.6-1.2
0.06-0.14
0.6-1.4
0.6-1.4
ERTi-33
R53443
0.03
0.08-0.16
0.015
0.008
0.12
0.01-0.02
0.02-0.04
0.35-0.55
Cr
0.1-0.2
ERTi-34
R53444
0.03
0.13-0.20
0.02
0.008
0.16
0.01-0.02
0.02-0.04
0.35-0.55
Cr
0.1-0.2
ERTi-36
R58451
0.03
0.06-0.12
0.02
0.0035
0.03
Nb
42.0-47.0
ERTi-38
R54251
0.05
0.20-0.27
0.02
0.010
1.2-1.8
3.5-4.5
2.0-3.0
 
 
Any element intentionally added (O, Fe, N, and O) must be measured and reported. Residual elements, total, shall not exceed 20%, with no single element exceeding 0.05%.
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