Hebei XINYU Welding Co., Ltd.

XINYU XM-55II

Specification:T BTH550-NQ-II
Shieding Gas:80%Ar+20%CO2
Product Description

Characteristics: 

( 1 ) The product is 550MPa weathering resistant steel welding wire.

( 2 ) The molten metal contains Cu,Ni and Cr,weathering resistant is well.

( 3 ) It’s used to weld 550MPa weathering resistant steel,such as bridges, buildings, vehicles, etc.


Precautions:

( 1 ) Adequately clear the oil,rust,moisture,dust and other debris of the welded parts.

( 2 ) It’s used to weld Thick plate welding (25 mm above) or large binding place, preheat in 90~120℃ before welding.


One chemical composition of the weld metal sample (wt%)


CSiMnPSCrNiCu
0.070.351.200.0070.0040.440.420.36



One mechanical properties of the weld metal sample


Tensild Strength
     MPa
Yield Strength
   MPa
Elongation
   %
Impact Value
J
58048529-4087



The specifications of the product and welding condition (DC+):

Dia (mm)
Welding Condition
1.01.21.41.6
Short Circuiting TransferCurrent A80 ~ 160100 ~ 210--
Voltage V16 ~ 2217 ~ 22--
Spray TransferCurrent A180 ~ 280200 ~ 300210 ~ 320220 ~ 330
Voltage V24 ~ 3024 ~ 3024 ~ 3224 ~ 32