Gas shield arc welding wire
AssigneesPosco, Kiswel Ltd.
InventorsGyu-Yeol Bae, Chang-Uk Song, Su-Kyung Jung
Life of this patent
Estimating the term…
Abstract
A gas shield arc welding wire includes, by wt %, 0.001 to 0.30% of C; 0.25% or less of Si (excluding 0%); 0.50 to 3.00% of Mn; 0.030% or less of P (excluding 0%); 0.030% of less of S (excluding 0%); 0.50% or less of Cr (excluding 0%); 0.60% or less of Mo (excluding 0%); less than 0.10% of Al (excluding 0%); 0.40% or less of Ni (excluding 0%); 0.50% or less of Cu (excluding 0%); less than 0.10% of Ti (excluding 0%); and the balance of Fe and other unavoidable impurities, the wire satisfying relational expression 1, 2.0≤[Si]×100/[Mn]≤5.2, and relational expression 2, [Ti]+[Al]<0.10.
Claims10
A gas shielded arc welding wire, comprising by weight %:
- 0.001 to 0.30% of C;
- 0.25% or less of Si (excluding 0%);
- 0.50 to 3.00% of Mn;
- 0.030% or less of P (excluding 0%);
- 0.030% of less of S (excluding 0%);
- 0.50% or less of Cr (excluding 0%);
- 0.60% or less of Mo (excluding 0%);
- less than 0.10% of Al (excluding 0%);
- 0.40% or less of Ni (excluding 0%);
- 0.50% or less of Cu (excluding 0%);
- less than 0.10% of Ti (excluding 0%), with a balance of Fe and other unavoidable impurities, the wire satisfying relational expression 1 and relational expression 2,
- 2.
- ≤
- [
- Si
- ]
- ×
- 100
-
- /
- [
- Mn
- ]
- ≤
- 5.2
- [
- Relational
-
- expression
-
- 1
- ]
- [
- Ti
- ]
- +
- [
- Al
- ]
- <
- 0
- .
- 1
-
- 0
- [
- Relational
-
- expression
-
- 2
- ]
- in Relational expression 1 and Relational expression 2 above, [Si], [Mn], [Ti], and [Al] represent a weight percent content of each element in parentheses for the welding wire.
Dependencies are inferred from the claim text.