Correction Factors For Common Shielding Gases; Correction Factors Of The Most Common Shielding Gases - Fronius OPT/i externer Gasregler Bedienungsanleitung

Correction factors for common shielding gases

Correction fac- CF = correction factor
tors of the most
common shiel- Pure gases, air
ding gases
Gas
Argon (Ar)
Helium (He)
Carbon dioxide
(CO
Air
Ar-He shielding gas mixtures
Gas
Ar + 15% He
Ar + 20% He
Ar + 25% He
Ar + 30% He
Ar + 50% He
Ar + 70% He
Ar + 90% He
Ar-He-CO
Gas
Ar + 18% He + 1% CO
Ar + 20% He + 2% CO
Ar + 20‑30% He +
2% CO
Ar + 25% He + 25% CO
Ar + 26.5% He + 7.5%
CO
Ar + 30% He + 0.5% CO
Ar + 30% He + 2% CO
Ar + 30% He + 2.5% CO
30
Main group and
subgroup accord-
ing to EN ISO
)
2
shielding gas mixtures
2
2
2
2
2
2
2
2
2
14175
I1 100% Ar
I2 100% He
C1 100% CO
100% air
Main group and sub-
group according to EN
ISO 14175
I3-ArHe-15
I3
I3
I3
I3
I3
I3
Main group and
subgroup ac-
cording to EN
ISO 14175 % Ar
M12
M12
M12
70.5
M21
M20
M12 69.5
M12
M12 67.5
% CF
1.72
11.82
1.00
2
1.53
% Ar % He
85 15
80 20
75 25
70 30
50 50
70 30
10 90
% CO
% He
2
81 18 1
78 20 2
27.5 2
50 25 25
66 26.5 7.5
30 0.5
68 30 2
30 2.5
CF
1.97
2.07
2.19
2.31
3.00
2.31
7.45
CF
2.27
2.04
2.21
1.78
2.08
2.30
2.27
2.26