MIG/MAG welding wire for mild steels

NOVOFIL
SG1

MIG/MAG
ER70S-3
G 38 2 M21 2Si1

NOVOFIL SG1 is a copper coated gas metal arc welding wire in 15 kg spools or 250 kg drums. It is particularly designed for semi-automatic and full-automatic GMAW applications.

100% CO₂ or 80% Ar + 20% CO₂ are used for gas shielding.

Diameters [mm]0.60 · 0.80 · 0.90 · 1.00 · 1.20 · 1.60

CoatingsCopper coated · Bronze coated · Copper free

Shielding gasesM21 · C1

ApprovalsCE

Classification

AWS A5.18: ER70S-3
EN ISO 14341-A: G 38 2 M21 2Si1

Shielding gases

M21: Ar + 15–25% CO₂
C1: 100% CO₂

Packaging

⌀ mm	0.60	0.80	0.90	1.00	1.20	1.60
Spool	✓	✓	✓	✓	✓	✓
Drum	–	✓	✓	✓	✓	✓

Spool weight: 15 kg – 16 kg – 18 kgDrum weight: 250 kg – 300 kg – 450 kg

Chemical analysis of the wire [%]

	C	Mn	Si	P	S	Ni	Cr	Mo	Cu
min	0.06	0.90	0.50	–	–	–	–	–	–
max	0.14	1.30	0.80	0.025	0.025	0.15	0.15	0.15	0.30

Mechanical properties of the weld metal

	Gas M21	Gas C1
Yield strength Re	420 MPa	400 MPa
Tensile strength Rm	530 MPa	480 MPa
Elongation A5	28%	26%
Impact test KV (+20 °C)	130 J	100 J
Impact test KV (−20 °C)	70 J	50 J

Welding positions

PAflat
PBhorizontal-vertical
PChorizontal
PEoverhead
PFvertical up
PGvertical down

Materials to be welded

ASTM: A 139A 210 Gr A1, CA 36A 234 Gr WPBA 334 Gr 1A 106 Gr A, B, CA 131 Gr A, B, DAPI 5LX42API 5LX46API 5LX52API 5LX60
EN: 10113-2 S275, S355, S42010113-3 S275M, S275ML, S355M, S355ML10113-3 S420M, S420ML10025 S185, S235, S275, S35510208-1 L210, L240, L290, L360
Others: Fe 360, 430, 510EN 288-3 gr. 1

Data according to the NOVOFIL S.p.A. technical data sheet. Values are for information only and may vary depending on welding conditions.