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Base Metal	Welding Method	Product Mark	Standard	Characteristics and Applications
1.5Ni Steel	Shielded Metal Arc Welding	JL-W607	E5015-GP(E7015-G) ISO2560-B:E4915-G P	JL-W607 is a fine-grain steel welding electrode with an alkaline flux type, designed for welding 1.5Ni steel at -60°C.
	Shielded Metal Arc Welding	JL-E558Ni	E5518-N2 ISO 2560-AE46 6 1Ni B 42	JL-E558Ni is a low-hydrogen iron powder-coated welding electrode suitable for both AC and DC polarities. It is designed for all-position welding with excellent processability. The deposited metal exhibits superior mechanical properties and low-temperature toughness, making it suitable for critical steel structures which require low-temperature performance down to -45°C.
	Active Gas Shielded Arc Welding	JL-G55-G	G55A4H M21 SN2(ER80S-Ni1)	JL-ER55-G is a gas-shielded solid welding wire for 1.5Ni low-temperature steel (-50 to -60°C).
	Inert Gas Shielded Welding	JL-T55-Ni1	W55A4H N2(ER80S-Ni1)	JL-T55-Ni1 is a solid wire for TIG welding of low-temperature steel (-50 to -60°C) with a strength grade of 1.5N.
	Submerged Arc Welding	JL-WENi1K/JL-F107	(F7A6-ENi1-ENi1)	JL-WENi1K is a submerged arc welding wire for 1.5Ni low-temperature steel (-50 to -60°C). JL-SJ107 is a fluoride-alkali type sintered flux. This combination is suitable for welding 1.5Ni and other low-temperature steels and for welding low-temperature pressure vessels, accumulator tanks, and pipelines.
2.5Ni Steel A537CL2 13MnNi6-3	Shielded Metal Arc Welding	JL-W707	E5015-N5 P(E7015-C1L) ISO 2560-B E4916-N5 P	JL-W707 is a low-alloy steel welding electrode specifically designed for pressure-bearing equipment with alkaline flux coating. It is used for welding low-temperature steel structures such as 2.5Ni steel operating at -75°C.
	Shielded Metal Arc Welding	JL-W707Ni	E5515-N5 P(E8015-C1) ISO 2560-B E5515-N5 P	JL-W707Ni is an alkaline-coated low-temperature steel welding electrode suitable for both AC and DC current. It is designed for all-position welding with excellent processability, making it suitable for critical engineering structural steels requiring low-temperature performance.
	Active Gas Shielded Arc Welding	JL-G55-Ni2	G55P6 M21 SN5(ER80S-Ni2)	JL-ER55-Ni2 is a gas-shielded solid welding wire for 2.5Ni low-temperature steel.
	Inert Gas Shielded Welding	JL-T55-Ni2	W55P6 SN5(ER80S-Ni2) ISO 14341-B-G55P6SN5 ISO 636-B-W55P6N5	JL-T55-Ni2 is a TIG welding wire for 2.5Ni low-temperature steel.
	Submerged Arc Welding	JL-WENi2/JL-F107	(F7P6-ENi2-Ni2)	JL-WENi2/JL-F107 is suitable for submerged arc welding of 2.5Ni low-temperature steel and related low-temperature pressure vessel structures.
3.5Ni Steel 13MnNi6-3	Shielded Metal Arc Welding	JL-W107	E5015-N7	JL-W107 is a low-temperature steel welding electrode for 3.5Ni steel.
	Active Gas Shielded Arc Welding	JL-G55-Ni3	G55P7H M21 SN7I(ER80S-Ni3)	JL-ER55-Ni3 is a gas-shielded solid welding wire for 3.5Ni low-temperature steel.
	Inert Gas Shielded Welding	JL-T55-Ni3	W55P7H N71(ER80S-Ni3)	JL-T55-Ni3 is a TIG welding wire for 3.5Ni low-temperature steel.
	Submerged Arc Welding	JL-WENi3/JL-SJ107	F7P1O-ENi3-ENi3	JL-WENi3/JL-SJ107 is suitable for submerged arc welding of 3.5Ni low-temperature steel.
9%Ni Steel (-196℃)	Shielded Metal Arc Welding	JL-ENiCrMo-6	ENi6620(ENiCrMo-6) ISO14172ENi6620	JL-ENiCrMo-6 is a nickel-based alloy electrode with a basic flux coating, primarily used for welding 9% Ni steel (UNS K81340). It can also be used for welding dissimilar steels and overlaying alloy materials.
	Inert Gas Shielded Welding	JL-ERNiCrMo-4	SNi6276(ERNiCrMo-4)	JL-ERNiCrMo-4 is a nickel and alloy welding wire suitable for TIG welding longitudinal seams of LNG accumulator tanks made from 9% Ni (UNS K81340) steel.
	Submerged Arc Welding	JL-WNiCrMo-4/JL-SJ609	F690A20-ERNiCrMo-4/NiCrMo-4	JL-ERNiCrMo-4 is an SNi6276 welding wire, while JL-SJ609 is an aluminum-alkaline sintered flux. It can be welded using both alternating and direct current, primarily for welding 9% nickel steel.
Stainless Steel(-196℃)	Shielded Metal Arc Welding	JL-E002SA	E308L-16 AWS A5.4 E308L-16 ISO3581-B-ES308L-16	JL-A002S(-196℃) is a rutile-coated ultra-low-carbon stainless steel welding electrode. It is suitable for welding ultra-low-carbon 00Cr19Ni10 or 06Cr18Ni11Ti stainless steel, exhibiting excellent toughness at -196℃.
	Shielded Metal Arc Welding	JL-E007SA	E308L-15 AWS A5.4 E308L-15 ISO3581-B-ES308L-15	JL-A007S is an alkaline-coated, ultra-low temperature (-196°C) stainless steel electrode. It is used for welding corrosion-resistant 00Cr19Ni10 type stainless steel structural components and exhibits excellent toughness at -196°C.
	Shielded Metal Arc Welding	JL-E022SA	E316L-16 AWS A5.4 E308L-16 ISO3581-B-ES308L-16	JL-A022S is a rutile coated ultra-low temperature (-196℃) ultra-low carbon stainless steel welding electrode for 316L austenitic stainless steels.
	Shielded Metal Arc Welding	JL-E027SA	E316L-15 AWS A5.4 E308L-15 ISO3581-B-ES308L-15	JL-A027S is an alkaline ultra-low temperature stainless steel electrode for 316L austenitic stainless steels.
	Shielded Metal Arc Welding	JL-E027MnSA	E316LMn-15	JL-A027MnS is used for low-temperature stainless steel structures requiring excellent toughness at -196℃.
	Submerged Arc Welding	JL-W308LS/JL-SJ601	SF308L FB-S308L	JL-W308LS/JL-SJ601 is suitable for submerged arc welding of ultra-low-carbon stainless steel at ultra-low temperature.
	Submerged Arc Welding	JL-W316LS/JL-SJ601	SF316L FB-S316L	JL-W316LS/JL-SJ601 is suitable for submerged arc welding of 316L stainless steel at ultra-low temperature.
	Submerged Arc Welding	JL-W316LMnS/JL-SJ601	SF316LMn FB-S316Mn	JL-W316LMnS/JL-SJ601 is suitable for submerged arc welding of Mn-bearing 316L stainless steel at ultra-low temperature.
	Inert Gas Shielded Welding	JL-T308LS	S308L(ER308L)	JL-T308LS is suitable for inert gas shielded welding of 308L stainless steel at ultra-low temperature.
	Inert Gas Shielded Welding	JL-T316LS	S316L(ER316L)	JL-T316LS is suitable for inert gas shielded welding of 316L stainless steel at ultra-low temperature.
	Flux-Cored Arc Welding	JL-YA308L	TS308L-FC11 AWS A5.22 E308LT1-1 ENISO 17633-A-T199LPC11	JL-YA308L is suitable for flux-cored arc welding of 308L stainless steel.
	Flux-Cored Arc Welding	JL-YA316L	TS316L-FC11 AWS A5.22E316LT1-1 ISO 17633-A-T19123LPC11	JL-YA316L is suitable for flux-cored arc welding of 316L stainless steel.

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