2
Table 5-1 – Mild Steel and Low
Alloy Steel Wires Chemical Composition Requirements* (Percent – Balance Iron)
SPOOLARC AWS
DESIG- CLASS
NATION CARBON
MANG. SILICON
SULFUR PHOS.
MOLYB. OTHER
ER70S-2 65
0.07 0.90-1.40
0.40-0.70
0.035 0.025
-- 0.05-0.15
Ti 0.02-0.12
Zr 0.05-0.15 AI
ER70S-3 29S
or 82 0.06-0.15
0.90-1.40
0.45-0.75
0.035 0.025
-- ER70S-4
85 0.07-0.15
1.00-1.50 0.65-0.85
0.035 0.025
-- ER70S-5
-- 0.07-0.19
0.90-1.40
0.30-0.60 0.035
0.025 --
0.50-0.90 AI ER70S-6
86 0.07-0.15
1.40-1.8 0.80-1.
I 5 0.035 0.025
-- ER70S-7
87HP 0.07-0.15
1.50-2.00
0.50-0.80
0.035 0.025
-- ERSOS-D2
83
or Hi84 0.07-0.12
1.60-2.10 0.50-0.80
0.035 0.025
0.40-0.60 ER70S-G
-- NOT
SPECIFIED * *Requirements
are those agreed to by the purchaser and supplier.
