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Seamless cored wire is manufactured through a specialized welding process that integrates an outer steel tube, a middle protective coating, and an inner core of metallic calcium wire, and is used in steelmaking for deoxidation, desulfurization, and inclusion removal.

Seamless calcium wire is manufactured through a specialized welding process that integrates an outer steel tube, a middle protective coating, and an inner core of metallic calcium wire, and is used in steelmaking for deoxidation, desulfurization, and inclusion removal.

Titanium iron cored wire is a strong oxidizing agent with superior deoxidizing ability compared with silicon and manganese.

It is produced by coating metal calcium with a specified proportion of iron powder. The core powder material consists of 25–35% calcium particles and the remainder iron powder, which is then encased in strip steel to form cored wire. Its primary applications are as deoxidizing and desulfurizing agents in the steelmaking process.

Silicon-calcium alloy is processed into powder by being wrapped in strip steel.

Carbon additives are used in steelmaking to increase carbon content.

It is composed of a core (boron-iron powder) and steel strip, and is a kind of boron-iron alloy core wire fed into molten steel during casting.

Sulfur-core wire is manufactured by encasing sulfur powder in a steel strip.

Sulfurizing agent (iron sulfide powder) for sulfur-iron cored wire;

1. Iron silicon nitride wire 2. Manganese silicon nitride wire 3. Manganese nitride wire 4. Nickel silicon nitride wire