STAVITRODE A 56
DESCRIPTION & APPLICATIONS :
Weld metal from this high build-up electrode withstands extreme compressive stresses.
Applications: underlayments on carbon and low alloy steels, or a stand alone overlay giving medium hard, tough build-ups for rails, shafts and similar components.
Microstructure: martensite with some carbides.
Welding technique: use a stringer or 3 x weave pattern, and the "whip" technique when welding vertically.
International specifications: DIN 8555 E1-UM-250 (AWS - none).
UNIQUE FEATURES :
- Tough alloy that suits underlayments and medium hard overlays alike.
- Machines excellently.
- Does particularly well in vertical and horizontal position welding.
- Welding positions: flat, horizontal, vertical up.
- Current: DC reverse (+), or AC (70 OCV +).
Подробная информация о товаре
KEY SPECIFICATIONS :
| Alloying elements in iron based alloy | Hardness (Rockwell C) | Hardness (Brinell) |
|---|---|---|
| C, Mn, Si, Cr, Mo | 25 - 27 | 270 |
RECOMMENDED AMPERAGE SETTINGS :
| Diameter (mm) | Minimum amperage (A) | Maximum amperage (A) |
|---|---|---|
| 3.25 (1/8") | 100 | 140 |
| 4.00 (5/32") | 140 | 180 |
| 5.00 (3/16") | 180 | 230 |
DEPOSITION RATES :
| Diameter (mm) | Length (mm) | Weld metal / electrode | Electrodes per kg (lb) of weld metal | Arc time of deposition min/kg (lb) | Amperage setting |
|---|---|---|---|---|---|
| 3.25 (1/8") | 450 (18") | 22 g (.77 oz) | 44 (20) | 47 (21) | 120 |
| 4.00 (5/32") | 450 (18") | 39 g (1.33 oz) | 26 (12) | 39 (18) | 160 |
| 5.00 (3/16") | 450 (18") | 65 g (2.34 oz) | 15 (7) | 28 (13) | 205 |
Часто задаваемые вопросы
What is STAVITRODE A 56 used for?
It is a high build-up electrode for underlayments on carbon and low alloy steels, and also a stand alone overlay for medium hard tough build-ups on rails, shafts and similar parts exposed to extreme compressive stresses.
Can the STAVITRODE A 56 deposit be machined?
Yes. The deposit has a martensitic structure with some carbides at 25 - 27 HRC (270 Brinell) and excellent machinability.
Which current and welding positions suit STAVITRODE A 56?
Use DC reverse (+) or AC at 70 OCV, welding in the flat, horizontal or vertical up position. Set 100 - 140 A for 3.25 mm, 140 - 180 A for 4.00 mm and 180 - 230 A for 5.00 mm.
Which welding technique is advised for STAVITRODE A 56?
Weld in a stringer or 3 x weave fashion. For vertical welding, use the "whip" technique.
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