Wire model

Protect mode

Wire diameter mm

National standards or equivalent standards

Descriptions

Low carbon steel and 50kg-class structural steel

HY-YJ501 （ Q ）

CO 2

1.2
1.4
1.6

GB10045-2001
E501T-1
（ AWS A5.20
E71T-1 ）

Titanium oxide slag system; good welding process performance, full-position welding, stable arc, little splashing, easy slag release, and beautiful welding seams. Replace J422 and J502 welding rods and H08Mn2Si solid core welding wires and are widely used in many sectors.?

HY-YJ502 （ Q ）

CO 2

1.2
1.4
1.6

GB10045-2001
E501T-1
（ AWS A5.20
E71T-1 ）

Titanium calcium slag system; good welding process performance equivalent to TY-YJ501(Q). More applicable to steel with iron scale and rust.?

HY-YJ507 （ Q ）

CO 2

1.2
1.4
1.6

GB10045-2001
E500T-5
（ AWS A5.20
E70T-5 ）

calcium oxide—fluoride slag system; good mechanical property of deposited metal, high impact toughness, low diffusible hydrogen content, and good crack resistance; for welding of import structures and vessels and suitable for flat welding and horizontal welding.?

HY-YJ500 （ Z ）

Self protection

1.6
2.0

GB10045-2001
E500T-8
（ AWS A5.20
E70T-G ）

CaF 2 -Al-Mg self-protection flux-cored wires; good welding process performance and good wind resistance; flat welding and horizontal welding; applicable to welding of steel structures, pipes and vessels with general requirements in field.?

Weathering steel

HY-YJ502CuNi （ Q ）

CO 2

1.2
1.4
1.6
 

（ AWS A5.29
E71T-1W ）

Titanium calcium slag system; good welding process performance; full-position welding. Good air corrosion resistance; applicable to welding of Cu-p and COR-TEN serial weathering steel containers, vehicles, power distribution towers, bridges and buildings.?

HY-YJ502CuCrNi （ Q ）

CO 2

1.2
1.4
1.6
 

（ AWS A5.29
E71T-1W ）

Same as TY-YJ502CuNi （ Q ）

High strength steel

HY-YJ607 （ Q ）

CO 2

1.2
1.4
1.6
 

E600T5-K2

Calcium oxide—fluoride slag system; good mechanical property of deposited metal, and plasticity and toughness, low hydrogen content, and good crack resistance; applicable to welding of important low alloy high strength steel members?

HY-YJ707 （ Q ）

CO 2

1.2
1.4
1.6
 

E700T5-K3

Oxide-fluoride slag system; for welding of 70kg-class ultralow hydrogen and high toughness low alloy high strength steel structures.?

HY-YJ857 （ Q ）

CO 2

1.2
1.4
1.6

E850T5-K4

Oxide-fluoride slag system; for welding of 85kg-class ultralow hydrogen and high toughness low alloy high strength steel structures.?

Heat resisting steel

HY-YR302 （ Q ）

CO 2

1.2
1.4
1.6

E551T1-B2

For welding of 1%Cr-0.5%Mo heat resisting steel with an operating temperature of less than 520℃?

HY-YR307 （ Q ）

CO 2

1.2
1.4
1.6

E551T5-B2

For welding of 1%Cr-0.5%Mo heat resisting steel with an operating temperature of less than 520℃?

HY-YR317 （ Q ）

CO 2

1.2
1.4
1.6

______

For welding of 1%Cr-0.5%Mo-V heat resisting steel with an operating temperature of less than 540℃?

Steel type

Wire model

Protect mode

Wire diameter mm

National standards or equivalent standards

Descriptions

Overlay welding

HY-YD25CrMo （ Q ）

CO 2

1.4
1.6
 

Titanium calcium slag system; good overlay welding process performance with overlay harness HRC≧ 38. Used for overlay welding of continuous casting rollers

HY-YDCrMo250

CO 2

1.4
1.6
 

Titanium calcium slag system; good overlay welding process performance with overlay harness HRC≧ 32. Used for overlay welding of continuous casting rollers

HY-YD25CrMo4V （ Q ）

CO 2

1.4
1.6
 

Same as TY-YD25CrMo （ Q ）
HRC ≧ 40 ; Used for overlay welding of continuous casting rollers

HY-YDMn14Cr4Ni3 （ Q ）