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Variety	JULI Brand	Standard		Characteristics and Applications
Solid Welding Wire	JL-G49-1	GB/T 8110 G49AYUC1S10	AWS A5.18 ER70S-G	It is suitable for CO₂ gas shielded arc welding, producing less spatter and good weld shape during the welding process, with excellent resistance to porosity. It is used for welding carbon steel and low-alloy steel structures of corresponding strength grades, and can be applied to the welding of carbon steel and low-alloy steel structures in engineering machinery, bridges, shipbuilding, and vehicle manufacturing.
	JL-ER50-3	GB/T 8110 G49A2C1S3	AWS A5.18 ER70S-3	It is 500 MPa grade carbon steel welding wire, adopting CO₂ gas shielding. The welding process exhibits excellent fluidity and crack resistance, less spatter, thin slag and easy to removal, making it suitable for smooth and refined weld seam welding. It can be used for welding structural steel of corresponding strength grades and is applicable for welding thin-plate workpieces in engineering machinery, shipbuilding, and vehicle manufacturing.
			ISO 14341-A-G 38 4 M21 2Si
	JL-ER50-6	GB/T 8110 G49A3C1S6	AWS A5.18 ER70S-6	It is 500MPa-grade carbon steel welding wire, adopting CO₂ gas shielded welding. The wire features less spatter, good shape formation, with high deposition efficiency and low porosity sensitivity in the weld metal. It offers excellent weldability in all positions, and is used for welding carbon steel and low-alloy steel structures of corresponding strength grades. It can be applied in industries such as construction machinery, shipbuilding, vehicle manufacturing, and petrochemicals.
			ISO 14341-A-G42 3 C1/M21 3Si1
			ISO 14341-B-G49A 3U C1/M21 S6
	JL-G4Si1	GB/T 8110 G49A3UC1/4UM21S6	AWS A5.18 ER70S-6	It is 500MPa-grade carbon steel welding wire, adopting 100% CO₂ or 80% Ar + 20% CO₂ gas shielded welding. The wire features less spatter, good shape formation, stable arc, and the deposited metal exhibits excellent mechanical properties. It is used for welding carbon steel and low-alloy steel structures of corresponding strength grades, applicable in industries such as construction machinery, vehicle manufacturing, and petrochemicals.
			ISO 14341-A-G46 4 M21 4Si1/42 3C1 4Si1
	JL-G50-G	GB/T 8110 G49A3UM21ZS6	AWS A5.18 ER70S-G	It is 500MPa-grade carbon steel welding wire containing titanium (Ti) elements, which refine the droplet and weld metal grain structure. It exhibits excellent high-current welding performance, superior impact toughness, and less spatter and fumes. It is used for welding carbon steel and low-alloy steel structures of corresponding strength grades, applicable in industries such as construction machinery, shipbuilding, and vehicle manufacturing.
	JL-G55-G	GB/T 8110 G55A4M21ZSNCC1	AWS A5.28 ER80S-G	It is 80% Ar+20%O₂ gas shielded welding (flow rate: 18-25 L/min), featuring less welding spatter, good shape formation, stable arc, and excellent mechanical properties of the deposited metal. It is used for welding carbon steel and low-alloy steel structures of corresponding strength grades, applicable in industries such as construction machinery, vehicle manufacturing, and petrochemicals.
	JL-G55-D2	GB/T 8110 G55A4M21S4M31	AWS A5.28 ER80S-D2	It is 80% Ar+20%O₂ gas shielded welding (flow rate: 18-25 L/min), featuring less welding spatter, good shape formation, stable arc, and excellent mechanical properties of the deposited metal. It is used for welding carbon steel and low-alloy steel structures of corresponding strength grades, applicable in industries such as construction machinery, vehicle manufacturing, and petrochemicals.
	JL-ER55-D2-Ti	GB/T 8110 G57A4M21S4M31T	AWS A5.28 ER80S-G	It is 80% Ar+20%O₂ gas shielded welding (flow rate: 18-25 L/min), featuring less welding spatter, good shape formation, stable arc, and excellent mechanical properties of the deposited metal. It is used for welding carbon steel and low-alloy steel structures of corresponding strength grades, applicable in industries such as construction machinery, vehicle manufacturing, and petrochemicals.
			ISO 14341-B-G 55A 3 M21 S3MIT
	JL-ER60-G1	GB/T 8110 G57A4M21ZS16	AWS A5.28 ER80S-G	It is 600MPa-grade low-alloy steel welding wire suitable for mixed gas shielded arc welding. It has less spatter during welding, with good shape formation, and can be used for all-position welding. lt is used for welding 600MPa-grade high-strength steel structures and can be applied in industries such as coal mining machinery, bridges, construction, and vehicle manufacturing.
	JL-ER60-G2	GB/T 8110 G57A4M21ZS17	AWS A5.28 ER80S-G	It is 550MPa-grade low-alloy steel welding wire, adopting Ar+CO₂ mixed gas shielding. It has less spatter ,stable arc, and good shape formation during welding. It is used for welding steel structures of corresponding strength grades and can be applied in steel structure manufacturing industries such as construction machinery and coal mining machinery.
	JL-ER62-G	GB/T 39281 G62A4UM21N2M3T	AWS A5.28 ER90S-G	It is a 600MPa-grade low-alloy steel welding wire. The wire applies a low-carbon, high-manganese micro-titanium treatment, achieving high-strength, high-toughness deposited metal through solid solution strengthening, precipitation hardening, and grain refinement with Ni, Mo, V, Nb, and other alloying elements. The welding process produces less spatter, with stable arc performance and good shape formation of the weld seam, suitable for all-position welding. It is used for welding 600MPa-grade high-strength steel structures and can be applied in industries such as construction machinery, container manufacturing, shipbuilding, and vehicle manufacturing.
	JL-G70-G1	GB/T 39281 G69A4UM21ZN3M1T	AWS A5.28 ER100S-G	It is a 700MPa-grade low-alloy steel welding wire. The wire applies a low-carbon, high-manganese micro-titanium treatment, achieving high-strength, high-toughness deposited metal through solid solution strengthening, precipitation hardening, and grain refinement with Ni, Mo, V, Nb, and other alloying elements. The welding process produces less spatter, with stable arc performance and good shape formation of the weld seam, suitable for all-position welding. It is used for welding 700MPa-grade high-strength steel structures and can be applied in industries such as coal mining machinery, bridges, construction, and vehicle manufacturing.
			ISO 16834-B-G69A4U M21 GN2M2T
Solid Welding Wire	JL-G70-G2	GB/T 39281 G69A4UM21ZN2M2T	AWS A5.28 ER100S-G	It is a 700MPa-grade low-alloy steel welding wire. The wire applies a low-carbon, high-manganese micro-titanium treatment, achieving high-strength, high-toughness deposited metal through solid solution strengthening, precipitation hardening, and grain refinement with Ni, Mo, V, Nb, and other alloying elements. The welding process produces less spatter, with stable arc performance and good shape formation of the weld seam, suitable for all-position welding. It is used for welding 700MPa-grade high-strength steel structures and can be applied in industries such as coal mining machinery, bridges, construction, and vehicle manufacturing.
			ISO 16834-B-G69A4U M21 GN2M2T
	JL-ER80-G	GB/T 39281 G76A2M21ZN4CM2T	AWS A5.28 ER110S-G	It is 800MPa-grade low-alloy steel welding wire, featuring less spatter ,stable arc, and good shape formation, suitable for all-position welding. lt is used for welding 800MPa-grade high-strength steel structures and can be applied in industries such as construction machinery, bridges, buildings, and vehicle manufacturing.
	JL-G120-G	GB/T 39281 G83A5M21N5M3	AWS A5.28 ER120S-G	JL-ER120S-G is 80% Ar+20%O₂ gas shielded welding (flow rate: 18-25 L/min), featuring less welding spatter, good shape formation, stable arc, and excellent mechanical properties of the deposited metal. It is used for welding carbon steel and low-alloy steel structures of corresponding strength grades, applicable in industries such as construction machinery, vehicle manufacturing, and petrochemicals.
	JL-G44-G	GB/T 8110 G43A4UM21SNCC21		It is a 440MPa low-alloy weathering steel welding wire containing appropriate amounts of alloying elements such as Cr, Ni, and Cu, imparting excellent atmospheric corrosion resistance to the weld. It is used for welding corrosion-resistant steel structures like 09CuPCrNi15MnCuCr and 15MnCuCrQT, and is applicable in industries such as construction machinery, bridges, containers, and locomotive and rolling stock manufacturing.
	JL-TH500-NQ-II	GB/T 8110 G49A4UM21SNCC2		It is a 500MPa low-alloy weathering steel welding wire containing appropriate amounts of alloying elements such as Cr, Ni, and Cu, imparting excellent atmospheric corrosion resistance to the weld. It is used for welding Q400NQR1 and 500MPa-grade atmospheric corrosion-resistant structures, and can be applied in industries such as construction machinery, bridges, containers, and locomotive and rolling stock manufacturing.
	JL-TH550-NQ-II	GB/T 8110 G55A4UM21SNCC1		It is a 500MPa low-alloy weathering steel welding wire containing appropriate amounts of alloying elements such as Cr, Ni, and Cu, imparting excellent atmospheric corrosion resistance to the weld. It is used for welding Q400NQR1 and 500MPa-grade atmospheric corrosion-resistant structures, and can be applied in industries such as construction machinery, bridges, containers, and locomotive and rolling stock manufacturing.
Stainless Solid Welding Wire	JL-T308L	GB/T 29713 S308L	AWS A5.9 ER308L	It is 21%Cr-10%Ni ultra-low carbon austenitic stainless steel welding wire. It features stable welding arcs and good shape formation, enabling all-position welding. It is used for welding materials in petrochemical plants, pressure vessels, food machinery, medical equipment, fertilizer plants, textile machinery, nuclear reactors, and similar applications, such as 022Cr19Ni10 (S304L).
			ISO 14343-B-SS308L
	JL-T309	GB/T 29713 S309	AWS A5.9 ER309
			ISO 14343-B-SS309	It is 24% Cr-13% Ni stainless steel welding wire. Due to its high alloy content, it exhibits excellent high-temperature resistance, stable welding arc, and good shape formation, enabling all-position welding. It is suitable for welding stainless steels of the same type, stainless steel linings, dissimilar steels (such as 06Cr19Ni13Si and low-carbon steel), as well as high-chromium, high-manganese steels.
	JL-T316	GB/T 29713 S316	AWS A5.9 ER316	It is 19% Cr-12%Ni-2%Mo stainless steel welding wire. Due to its molybdenum content, it exhibits excellent corrosion resistance against acetic acid, sulfurous acid, phosphoric acid, and salts. It has stable welding arcs and good shape formation, suitable for all-position welding. It is used for welding petrochemical and chemical equipment materials such as 06Cr19Ni12Mo2 (S316), as well as high-chromium steels requiring no post-weld heat treatment and dissimilar steel welding.
			ISO 14343-B-SS316
	JL-G430	GB/T 29713 S430	AWS A5.9 ER430
			ISO 14343-B-SS430	It is a 17Cr ferritic stainless steel welding wire. It features stable welding arcs, less spatter, and good shape formation. It is used for welding Cr17 stainless steel resistant to nitric acid corrosion and heat, and is commonly used for welding golf club heads.
	JL-ER316LSi	GB/T 29713 S316LSi	AWS A5.9 ER316LSi
			ISO 14343-B-SS316LSi	It is ultra-low-carbon 19%Cr-12%Ni-2%Mo stainless steel welding wire. Due to its Mo content, it exhibits excellent corrosion resistance against acetic acid, sulfurous acid, phosphoric acid, and salts. The addition of Si enhances molten iron fluidity, resulting in good shape formation. It can be welded in all positions and is suitable for petrochemical equipment, such as welding materials like 022Cr19Ni12Mo2 (S316L).
	JL-ER316L	GB/T 29713 S316L	AWS A5.9 ER316L	It is ultra-low-carbon 19%Cr-12%Ni-2%Mo stainless steel welding wire. Due to its Mo content, it exhibits excellent corrosion resistance against acetic acid, sulfurous acid, phosphoric acid, and salts. It features stable welding arcs, less spatter, and good shape formation. It can be welded in all positions and is used for petrochemical, fertilizer equipment, and other applications, such as welding materials like 022Cr19Ni12Mo2 (S316L).
			ISO 14343-B-SS316L
	JL-ER309LSi	GB/T 29713 S309LSi	AWS A5.9 ER309LSi	It is 24%Cr-13%Ni stainless steel welding wire. Due to its low carbon content, it exhibits excellent corrosion resistance. The addition of Si enhances molten iron fluidity, resulting in good shape formation and stable arc performance, enabling all-position welding. It is used for welding materials resistant to atmospheric corrosion, such as railway locomotives and freight car bodies, including TCS materials for freight transport vehicles or dissimilar steel welding between stainless steel and low-carbon steel.
			ISO 14343-B-SS309LSi
Stainless Solid Welding Wire	JL-ER309L	GB/T 29713 S309L	AWS A5.9 ER309L	It is 24% Cr-13% Ni stainless steel welding wire. Due to its high alloy content, it exhibits excellent high-temperature resistance; its low carbon content ensures outstanding corrosion resistance, stable welding arc, and good shape formation. It can be used for all-position welding, suitable for joining dissimilar materials such as stainless steels with similar compositions, carbon steel and stainless steel, or for overlay welding transition metals on the inner walls of reaction vessels in the petrochemical industry. It is also applicable for welding martensitic and ferritic stainless steels with lower toughness.
			ISO 14343-B-SS 309L
	JL-G309	GB/T 29713 S309	AWS A5.9 ER309	It is 24%Cr-13%Ni stainless steel welding wire. Due to its high alloy content, it exhibits excellent high-temperature resistance. The welding arc is stable, and the wire exhibits good shape formation. It is suitable for all-position welding. This wire is used for welding stainless steels of the same type, stainless steel linings, dissimilar steels (such as 06Cr19Ni13Si and low-carbon steel), as well as high-chromium, high-manganese steels.
			ISO 14343-B-SS 309
	JL-ER308LSi	GB/T 29713 S308LSi	AWS A5.9 ER308LSi	It is 21% Cr-10% Ni ultra-low carbon austenitic stainless steel welding wire. The addition of Si enhances molten metal fluidity, resulting in good shape formation and stable welding arc. It can be used for all-position welding and is used for welding materials resistant to atmospheric corrosion, including railroad locomotives and freight car bodies, such as 022Cr19Ni10 (S304L) stainless steel and TCS materials used in freight transport vehicles.
			ISO 14343-B-SS 308LSI
	JL-ER308L	GB/T 29713 S308L	AWS A5.9 ER308L	It is 21%Cr-10%Ni ultra-low carbon austenitic stainless steel welding wire. It features stable welding arcs and good shape formation, enabling all-position welding. It is used for welding materials such as 022Cr19Ni10 (S304L) in petrochemical plants, pressure vessels, food machinery, medical equipment, fertilizer plants, textile machinery, nuclear reactors, and similar applications.
			ISO 14343-B-SS 308L
	JL-G308	GB/T 29713 S308	AWS A5.9 ER308	It is 21%-10%Ni austenitic stainless steel welding wire. It delivers stable welding arcs and good shape formation, enabling all-position welding. It is used for welding 18-8, 18-12, and 20-10 austenitic stainless steels, widely applied in petrochemicals, pressure vessels, food machinery, medical equipment, fertilizer plants, textile machinery, nuclear reactors, and other fields, such as the welding of materials like 12Cr18Ni9 and 06Cr19Ni10.
			ISO 14343-B-SS 308
	JL-G307Si	GB/T 29713 S307Si	AWS A5.9 ER307Si	It is 21%Cr-9%Ni-6%Mn pure austenitic stainless steel welding wire. Its high Mn content reduces crack sensitivity, while added Si enhances molten metal fluidity. It delivers stable welding arcs and good shape formation, enabling all-position welding. It is used for welding non-magnetic, high-manganese steels, and hardenable corrosion-resistant steels and is often applied in special non-magnetic environments such as nuclear submarines and bulletproof steel plates. It can also be used for welding difficult-to-weld dissimilar steels prone to cracking.
			ISO 14343-A-G 18 8 Mn
Submerged Arc Welding	JL-WTH550	GB/T 5293 SUN1C1C		It is a copper-coated submerged arc welding wire designed for high-strength atmospheric corrosion-resistant steel in railway vehicles. When paired with JL-SJ101 sintered flux, it produces weld metal with excellent mechanicalproperties. It is widely used for welding low-alloy weathering steels such as 450MPa strength grade containers, railway locomotives and rolling stock, and bridge steel, including grades like 450NQR1 and 500NQR1.
Metal Powder Cored wire	JL-F409Ti	GB/T 17853 TS409-MM130	AWS A5.22 EC409	It is a stainless steel flux-cored welding wire for automotive applications. Chromium alloy steel is added with an appropriate amount of Ti element, endowing it with excellent weldability and machinability. The welding arc is smooth and stable with less spatter, producing a good shape formation for the weld seam and consistent wire feeding. It offers outstanding welding process performance. It is mainly used for welding automotive mufflers and exhaust system pipe fittings. The welding process features spray transfer with less spatter and good weld seam formation, and it improves welding efficiency by 20%-40% compared to ER308LSi.
	JL-F436			It is a stainless steel flux-cored welding wire for automotive applications. The alloy contains 18% Cr with an appropriate amount of Ti added, providing excellent oxidation resistance and corrosion resistance. The welding arc is smooth and stable with less spatter, producing a good shape formation for the weld seam and consistent wire feeding. It offers outstanding welding process performance. It is mainly used for welding automotive mufflers and exhaust system pipe fittings. The welding process features spray transfer with less spatter and good weld seam formation, and it improves welding efficiency by 20%-40% compared to ER308LSi.
	JL-F439		AWS A5.22 EC439	It is a stainless steel flux-cored welding wire for automotive applications. The alloy contains 18% Cr with an appropriate amount of Ti added, providing excellent oxidation resistance and corrosion resistance. The welding arc is smooth and stable with less spatter, producing a good shape formation for the weld seam and consistent wire feeding. It offers outstanding welding process performance. It is mainly used for welding automotive mufflers and exhaust system pipe fittings. The welding process features spray transfer with less spatter and good weld seam formation, and it improves welding efficiency by 20%-40% compared to ER308LSi.
				It is a stainless steel flux-cored welding wire for automotive applications. The alloy contains 18% Cr with an appropriate amount of Ti added, providing excellent oxidation resistance and corrosion resistance. The welding arc is smooth and stable with less spatter, producing a good shape formation for the weld seam and consistent wire feeding. It offers outstanding welding process performance. It is mainly used for welding automotive mufflers and exhaust system pipe fittings. The welding process features spray transfer with less spatter and good weld seam formation, and it improves welding efficiency by 20%-40% compared to ER308LSi.

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