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Diameters / Packaging
|
Diameters |
VPMD 10,8 KG (6 x 1,8 KG, approx. 540 pcs) |
VPMD 12 KG (6 x 2 KG, approx. 318 pcs) |
VPMD 15,6 KG (6 x 2,6 KG, approx. 222 pcs) |
|---|---|---|---|
| 2.5x350 mm | CHROMET2-25-2 | ||
| 3.2x350 mm | CHROMET2-32-2 | ||
| 4.0x450 mm | CHROMET2-40-2 |
DETAILS
CHROMET 2 (SL20G) is a 2¼Cr-½Mo creep resisting steel MMA electrode suitable for most power generation applications. Basic flux, metal powder type coatings on low carbon high purity core wire.
Features
- For welding creep resistant CrMo steels such as A387 Gr 21 & 22
- Suitable for service temperatures of up to 600°C
- Basic all positional creep resistant electrode
- DC- polarity is preferred
- Supplied in Sahara Ready Pack (SRP)
Typical Applications
- Steam generating power plant, eg piping, turbine castings, steam chests, valve bodies and boiler superheaters
- Chemical and petro-chemical industries
Welding Positions
- All position, except vertical down
Service Information
Documentation
BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page
CONFORMANCE
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.5 | E9018-B3 H4R |
| ISO | ISO 3580-A | E CrMo2 B 3 2 H5 |
| TUV | ISO 3580-A | E CrMo2 B 3 2 |
MECHANICAL PROPERTIES
| Classification | Postweld Heat Treatment |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
|---|---|---|---|---|
| E9018-B3 H4R Requirement | 530 (77) min. | 620 (90) min. | 17 min. | |
| E CrMo2 B 3 2 H5 Requirement | 400 (58) min. | 500 (72) min. | 18 min. | |
| Typical Result, Stress relieved | 690°C/1h | 570 (83) | 670 (97) | 20 |
DEPOSIT COMPOSITION
| Classification | %C | %Cr | %Cu | %Mn | %Mo | %Nb | %Ni | %P | %S | %Si |
|---|---|---|---|---|---|---|---|---|---|---|
| E9018-B3 H4R Requirement | 0.05 - 0.12 | 2.00 - 2.50 | 0.90 max. | 0.90 - 1.20 | 0.03 max. | 0.03 max. | 0.80 max. | |||
| E CrMo2 B 3 2 H5 Requirement | 0.05 - 0.12 | 2.0 - 2.6 | 0.3 max. | 0.40 - 1.30 | 0.90 - 1.30 | 0.01 max. | 0.3 max. | 0.030 max. | 0.025 max. | 0.80 max. |
| Typical Result | 0.07 | 2.30 | 0.1 | 0.80 | 1.00 | 0.01 | 0.1 | 0.020 | 0.010 | 0.60 |