Sanicro 60 (Welding wire)
Datasheet updated 2012-08-02 19:08:18 (supersedes all previous editions)
Sanicro 60 welding wire is suitable for joining nickel-chromium-molybdenum nickel alloys and chromium-nickel-molybdenum steels with very high corrosion resistance, such as Sandvik 254 SMO*, Sanicro 63 and corresponding grades. It is also suitable for joining stainless steels and nickel alloys for high-temperature service. Sanicro 60 can also be used for dissimilar joining of stainless steels to nickel alloys and for overlay welding. Sanicro 60 is available as wire and rods.
Standards
- AWS ERNiCrMo-3
- EN number Ni 6625
Product standards
- EN ISO 18274
- ASME/AWS SFA5.14
Approvals
CE
Chemical composition - filler metal
| C | Si | Mn | P | S | Cr | Ni | Mo | Fe | Nb |
|---|---|---|---|---|---|---|---|---|---|
| max | max | max | min | max | |||||
| 0.03 | 0.2 | 0.2 | 0.015 | 0.010 | 22 | 60 | 9 | 1 | 3.5 |
Chemical composition - all-weld metal
The following data is typical for non heat treated all-weld metal made by the TIG, MIG or PAW methods using argon as shielding gas.
| C | Si | Mn | P | S | Cr | Ni | Mo | Fe | Nb |
|---|---|---|---|---|---|---|---|---|---|
| max | max | max | |||||||
| 0.030 | 0.2 | 0.2 | 0.015 | 0.010 | 22 | 60 | 9 | 0.5 | 3.4 |
Microstructure - all-weld metal
Fully austenitic.
Mechanical properties - all-weld metal
|
Temperature
|
oC
|
20
|
-196
|
|---|---|---|---|
|
Yield strength, RP0.2
|
MPa
|
430
|
-
|
|
Tensile strength, Rm
|
MPa
|
770
|
-
|
|
Elongation, A
|
%
|
42
|
-
|
|
Reduction in area, Z
|
%
|
51
|
-
|
|
Impact strength, Charpy V
|
J
|
150
|
70
|
|
Hardness, Vickers
|
HV
|
220
|
-
|
Physical properties - all-weld metal
|
Temperature, °C
|
20
|
100
|
300
|
500
|
700
|
|---|---|---|---|---|---|
|
Thermal conductivity, W/m
|
15
|
16
|
18
|
22
|
25
|
Thermal expansion per °C, from 20°C to 400°C 12 x 10-6
Density, g/cm3, at 20 oC 8.3
Corrosion resistance - all-weld metal
Sanicro 60 shows very good resistance to pitting corrosion and is almost immune to stress corrosion cracking in chloride-containing environments.
Recommended welding data
MIG/MAG welding
Electrode positive is used to give good penetration in all types of welded joint. The following table shows common conditions for MIG welding.
| Wire diameter, mm | Wire feed, m/min | Current, A | Voltage, V | Gas, l/min |
|---|---|---|---|---|
| Short-arc welding | ||||
| 0.8 | 5-9 | 50-140 | 16-25 | 15 |
| 1.0 | 5-9 | 70-160 | 16-25 | 15 |
| Spray-arc welding | ||||
| 1.0 | 6-12 | 150-230 | 26-31 | 22 |
| 1.2 | 5-9 | 170-280 | 27-32 | 22 |
| 1.6 | 3-5 | 230-370 | 29-33 | 22 |
| Pulsed-arc welding1) | ||||
| 1.2 | 3-10 | 150-250 | 23-31 | 20 |
1) Pulse parameters: Peak current 300 - 400 A
Background current 50 - 150 A
Frequency 80 - 120 Hz
Short-arc welding is used with thin gauge material of less than about 3 mm, in depositing root runs, and in welding out-of-flat positions.
The higher the inductance in short-arc welding, the higher the fluidity of the molten pool.
Spray-arc welding is normally used for heavier gauge material.
TIG welding
The parameters for TIG welding depend largely upon the base metal thickness and the welding application.
Electrode negative and a shielding gas of argon or helium should be used to prevent oxidation of the weld metal.
Submerged-arc welding
Electrode positive is suggested for joint welding to give good penetration.
| Wire diameter, mm | Current, A | Voltage, V |
|---|---|---|
| 2.0 | 200-300 | 30-33 |
| 2.4 | 250-400 | 30-33 |
| 3.2 | 300-450 | 30-33 |
Recommended flux is Sandvik 50SW.
* 254 SMO is a trademark owned by Outokumpu OY.
Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Sandvik materials.
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