Saffire Super Steel
Classifications Weld Metal
EN 1668                          : W 46 4 W 2 Ti
Classifications Wire Electrode
EN 1668                          : W 2 Ti
AWS A/SFA 5.18            : ER70S-2

Description and applications

Saffire Super Steel is a triple-deoxidised copper-coated mild steel filler rod particularly suited to TIG welding (with argon shielding gas) root runs in pipes. The rods may also be used without flux for oxy-acetylene welding. Typical all-weld metal ultimate tensile strength is 630 N/mm².

Composition
Wire analysis wt %

Wire / Strip (%)
Min Max
C 0.04 0.07
Si 0.40 0.70
Mn 0.90 1.40
P 0.025
S 0.025
Cr 0.15
Ni 0.15
Mo 0.15
V 0.03
Cu 0.35
Al 0.05 0.15
Ti 0.05 0.15
Zr 0.02 0.12
Ti+Zr 0.07 0.25

 

Mechanical Properties of weld metal
All Weld Metal
Ar (l1) Ar (l1)
EN AWS
As welded As welded
Properties Min Max Typ Min
Rp0.2 (MPa) 460 570 400
Rm (MPa) 530 680 625 480
A4 (%) 22
A5 (%) 20 26
Charpy V at -29°C (J)  27
Charpy V at -40°C (J)  47 180

Murex Welding Products
Hanover House, Queensgate, Britannia Road,
Waltham Cross, Herts, EN8 7TF
Telephone: (01992) 710000 Fax (01992) 719191