Sanicro 71是一个焊条焊接基本金属涂层和正常复苏的NiCrFe合金、9%镍钢以及nickel-alloyed低温用钢。它也可以用于不同的关节,如不锈钢和碳钢NiCu合金和镍合金。Sanicro 71的特点是小飞溅和很好的夹渣的清除。
Standards
· ISO Ni Cr 15 Fe 6
· AWS ENiCrFe-3
Product standards
· EN ISO 14172
· ASME/AWS SFA5.11
Approvals
· TüV
Chemical composition - all-weld metal
The following data is valid for non heat treated all-weld metal.
Chemical composition, wt%
C
Si
Mn
P
S
Cr
Ni
Mo
Nb
Fe
Cu
≤0.05
≤1.0
6.5
≤0.015
≤0.010
16
67
≤1.5
2.5
≤10
≤0.5
Mechanical properties - all-weld metal
Temperature
oC
20
-196
Proof strength, RP0.2a
MPa
>360
-
Tensile strength, Rm
MPa
>620
-
Elongation, A
%
>30
-
Impact strength, Charpy V
J
>60
>45
a Rp0.2 corresponds to 0.2% offset yield strength
Recommended welding data
Diameter, mm
2.5
3.25
4.0
5.0
Current, A
45-60
70-95
90-120
120-150
Redrying electrodes when necessary: 200 oC (390 oF)/2h
Deposition data
Electrode data
Electrode diameter, mm
2.5
3.25
4.0
5.0
Length, mm
300
300
350
400
Weights:
kg/100 pcs
1.7
2.9
5.0
8.7
kg/box
4.5
4.6
5.3
5.2
Electrodes/box
260
160
105
58
Effective value
kg weld metal/kg electrodes
0.61
0.71
0.68
0.67
Change value
Electrodes/kg weld metal
94
49
29
16
Burn off time per electrode
at max current, s
46
59
76
101
Working data
Welding positions,
all except vertical down
Current/polarity
direct current/electrode positive. |
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