Patent ID: 11883906
Assignee: POSCO CO., LTD
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A metal cored wire for submerged arc welding, the wire comprising a steel sheath and a core,
with the core comprising powders of:
carbon in a range of 0.8 wt. % to 1.2 wt. %;
silicon in a range of 0.1 wt. % to 3.0 wt. %;
manganese in a range of 9.0 wt. % to 30 wt. %;
chromium in an amount less than 8 wt. %;
nickel in an amount less than 6 wt. %;
molybdenum in an amount less than 6 wt. %;
tungsten in an amount less than 5 wt. %;
copper in an amount less than 4 wt. %;
niobium in an amount less than 2 wt. %;
vanadium in an amount less than 2 wt. %;
titanium in a range of 0.2 wt. to 2 wt. %;
nitrogen in an amount less than 0.4 wt. %;
boron in an amount less than 1 wt. %;
at least one of:
i. sulfur in an amount less than 0.3 wt. %;
ii. phosphorous in an amount less than 0.03 wt. %; or
a combination thereof; and

the balance with iron.