17
Table
4-2 – Mig Shielding Gas Selection Chart-Spray Arc & Pulse Spray Arc Welding
ARGON- HELIUM
Ar Ar
ARGON- GAS
He
(2) CO
(3)
METAL ARGON
HELIUM
OXYGEN
AR-CO2
MIXTURES CO2
AR-02-CO2
H 2
CO2
ALUMINUM •
•
•(90%
HE-10% AR)
OR (HE-75) CARBON
• •
•
• STEELS
(O2-2)
(C-15) STARGON
(O2-5)
(C-8) OR LINDE
5-22 (C-25) (1)
Pulse Blend
C-5 LOW
ALLOY •
• •
STEELS (O2-2)
(C-8) A415
STARGON OVER
3/32” LINDE 5-22
COPPER & •
•
• SILICON
(90% HE-10% BRONZE
AR) OR (HE-75)
STAINLESS •(O2-1)
H21
STEELS (O2-2)
CO2-2
NICKEL •
•
• ALLOYS
(HE-75) REACTIVE
• •
METALS
(1) –
SINGLE PASS WELDS (2) – HIGHER QUALITY ON HEAVY MILL SCALE PLATE WHEN USED
WITH L-TEC 83 AND 87 HP
WIRES. (3)
– USED WITH FLUX CORED WIRE AND FOR HIGH SPEED SOLID WIRE WELDING. (4)
– THIN MATERIAL
