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Purpose
J422 (J40.50)
E4303
It is used for welding of low carbon steel structure and low strength grade of low alloy steel structure. Such as Q235, 09Mnv, 09Mn2 etc.
J506Fe
E5018
E7018
It is applied in welding structures made of carbon steel and low-alloy steel such as 16Mn.
J506Fe18
E5028
E7028
It is applied in flat and flat fillet welding in structures made of carbon steel and low alloy steel such as 16Mn, 09Mn2Si and A, B, D, E steels used in shipbuilding.
J507 (J48.57)
E5015
E7015
It is applied in welding medium-carbon steel and low-alloy structures such as 16Mn, 09Mn2Si, 09Mn2V and the steels used in shipbuilding such as A, B, D, E. It is also used in thick steel plates and the carbon steel structures that are difficult to weld.
JC-29Ni1
E491T8-Ni1-J
E71T8-Ni1-J
It is applied in the situation where high ductility and element nickel are required. It especially fits in welding oil and gas pipelines coded from API X52 to X70, which have high requirement of low-temperature toughness. It is also applicable in fully and semi –automatic welding of ordinary steels, weathering-resistant steels and high-strength steels such as gas and oil pipeline, offshore platform, storage tank and etc.
JQ.H00Cr19Ni12Mo2
ER316L
It is widely used in petrochemical, chemical fertilizer equipment such as 022Cr17Ni12Mo2 (SUS 316L) and other materials of welding.
JQ.H00Cr21Ni10
ER308L
It is widely used in petrochemical, pressure vessel, food processing machinery, medical equipment, chemical fertilizer equipment, textile machinery, nuclear reactor such as 022Cr19Ni10 (SUS 304L) and other materials of welding.
JQ.H08MnA
H08MnA
EM12
Using with sintered flux JQ.SJ101, it can be applied both for high-speed welding steel plate of tensile strength 420N/mm2 and filling welding
JQ.H08MnSiCuCrNiⅡ
Used for welding atmospheric corrosion-resistant steel structures with corresponding strength, such as locomotive vehicles, offshore engineering, bridges, etc.
JQ.H0Cr19Ni12Mo2
ER316
It is widely used in petrochemical, chemical fertilizer equipment such as 06Cr17Ni12Mo2 (SUS 316L) and other materials of welding.
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