R802 heat-resistant steel electrode

R802 heat-resistant steel electrode

R802
GB：E11MoVNi-16
AWS：
Current：Used for welding Cr11MoV heat-resistant steel structures below 565��.
Main Applications：

R802

According with GB E11MoVNi-16


Introduction: R802 is a kind of Cr11MoNiV heat-resistant steel electrode with lime-titania type coating. AC/DC. All-position welding.


Uses: Used for welding Cr11MoV heat-resistant steel structures below 565℃.


Chemical Composition of Deposited Metal (%)
Chemical Composition
C
Mn
Si
S
P
Ni
Mo
Cr
V
Guarantee Value
≤0.15
0.5~1.0
≤0.50
≤0.030
≤0.035
0.6~0.9
0.60~0.90
9.50~11.50
0.2~0.4

Mechanical Properties of Deposited Metal
Test Item
Rm(MPa)
A(%)
Guarantee Value
≥730
≥15
General Result
≥750
≥16

Reference Current (AC, DC)
Electrode Diameter(mm)
φ2.5
φ3.2
φ4.0
φ5.0
Welding Current (A)
60~90
100~130
150~200
180~220

Instructions:
1.The electrodes must be baked under about 350℃ for an hour before welding, and used as soon as baking is completed.
2. The weldments should be preheated to 350-400℃ before welding.
3.The stains on the weldments, such as rust, oil stains, moisture, etc., must be cleared away before welding.

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