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Welding material

Welding materials include over 200 types in three major series (solid welding wire, flux cored welding wire and welding rod). Products are developed to high-strength steel, heat resistant steel, stainless steel, nonferrous metal and other special welding materials on the basis of conventional application. Products are widely applied to steel structure, ship, pressure vessel, petroleum pipe, rail transit, marine engineering, nuclear power and other industries.

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Welding material

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Product Parameters

List of solid gas shield welding wires

Category	Welding wire grade	Model		Main application
Category	Welding wire grade	GB	AWS	Main application
Carbon steel	LT·ER49-1	ER49-1		Welding low carbon steel and some low alloy steel structures
	LT·ER50-3	ER50-3	ER70S-3	Applicable for welding of carbon steel and low alloy steel
	LT·ER50-4	ER50-4	ER70S-4	Applicable for welding of carbon steel
	LT·ER50-6	ER50-6	ER70S-6	Welding low carbon steel and high strength steel with 500MPa tensile strength grade
	LT·ER50-6N	ER50-6	ER70S-6	Copper-plating-free environmental protective gas shield solid welding wire, suitable for low carbon steel and 500MPa steel structure
	LT·ER50-Ti	ER50-G	ER70S-G	Welding low carbon steel, applicable for heavy current welding
Weather resistant steel	LT·H08MnSiCuCrNiII	ER44-G		Applicable for welding of weather resistant steel of identical strength level
	LT·TH500-NQ-II	ER50-G		Applicable for weather resistant steel structure with 500MPa tensile strength grade
	LT·TH500-NQ-II	ER55-1	ER80S-G	Welding weather resistant steel structure with 550MPa tensile strength grade
High strength steel	LT·ER60-G	ER60-G	ER90S-G	Welding high strength steel with 620MPa tensile strength
	LT·ER70-G	ER70-G	ER100S-G	Welding high strength steel with 690MPa tensile strength
	LT·ER80-G	ER80-G	ER110S-G	Welding high strength steel with 790MPa tensile strength
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List of carbon steel welding rods

Welding rod grade	GB model	Coating type	Welding power	Main application
LT·J422	E4303	Titanium–calcium type	AC、DC	Welding low carbon steel structure and low alloy steel structure of identical strength grade
LT·J421	E4313	Titanium type	AC、DC	Welding low carbon steel structure, small sheet part in particular, tack welding and covering welding requiring smooth surface
LT·J502	E5003	Titanium–calcium type	AC、DC	Welding low alloy steel structure of 16Mn and corresponding strength
LT·J506	E5016	Low hydrogen type	AC、DC⁺	For welding of significant medium carbon steel and low alloy steel structures
LT·J507	E5015	Low hydrogen type	DC reverse connection	For welding of significant medium carbon steel and low alloy steel structures
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List of stainless steel welding rods

Welding rod grade	GB model	Coating type	Welding power	Main application
LT·A102	E308-16	Titanium–calcium type	AC、DC	Applicable for welding of 06Cr19Ni10 and 06Cr18Ni11Ti stainless steel structures with work temperature below 300℃
LT·A132	347-16	Titanium type	AC、DC	Applicable for welding of significant titanium-contained 06Cr18Ni11Ti stainless steel featuring corrosion resistance and stability
LT·A302	E309-16	Titanium–calcium type	AC、DC	Applicable for welding of welding of 06Cr24Ni13 stainless steel, dissimilar steel, high chromium steel, high manganese steel and other structures
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List of submerged arc and TIG welding wires

Category	Welding wire grade	Model		Main application
Category	Welding wire grade	GB	AWS	Main application
Submerged arc welding wire	LT·H08A	H08A	El8	Welding low carbon steel and some low alloy steel structures
	LT·H08MnA	H08MnA	EM12	Applicable for welding of carbon steel and low alloy steel structure
	LT·H10Mn2	H10Mn2	EH14	Applicable for welding of carbon steel and low alloy steel structure
	LT·H10MnSi	H10MnSi	EM13K	Welding significant low carbon and low alloy steel structures
Argon arc welding wire	LT·ER49-1	ER49-1		Welding low carbon steel
Argon arc welding wire	LT·TIG50	ER50-6	ER70S-6	Welding low carbon and low alloy steel structures
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List of flux cored gas shield welding wires

Category	Welding wire grade	Model			Main application
Category	Welding wire grade	GB	AWS	JIS	Main application
CO₂ gas shield flux cored welding wire for low carbon steel and high strength structure steel	LT·E501	E501T-1	E71T-1C	T492T1-1CA	For welding of low carbon steel and low alloy structural steel of identical strength
	LT·E501Ni	E491T1-Ni1C	E71T1-C1A4-Ni1	T493T1-1CA-N2	Welding of low temperature steel and low alloy structural steel
	LT·E711	E501T-1	E71T-1C	T492T1-1CA	For welding of low carbon steel and low alloy structural steel of identical strength
Stainless steel flux cored welding wire	LT·308L	E308LT1-1	E308LT1-1		Applicable for welding of 06Cr19Ni10 and 07Cr19Ni11Ti stainless steel structures with work temperature below 300℃
Stainless steel flux cored welding wire	LT·309L	E309LT1-1	E309LT1-1		For stainless steel structures of identical type, clad steel, dissimilar steel and other parts; for build-up welding of transition layer
Self-shielded flux cored welding wire	LT·E71T-GS	E501T11-G	E71T11-AZ-CS3		Self-shielded flux cored welding wire with small diameter; applicable for all-position semi-automatic welding of several carbon steel base metals (mainly sheet and galvanized plate)
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