MACROLOY 812
Specially formulated Low heat input, “Antiwear” alloy electrode for overlay buildup on straight chrome martensitic stainless steels.
PRODUCT DESCRIPTION:
• Specially formulated “Anti-wear” alloy for straight chrome martensitic stainless steel and producing straight chrome martensitic stainless steel deposits
• Resistant to cavitation-erosion, particle impact erosion, abrasion and moderate corrosion
Applications
STANDARD:
ASME SEC-II-C
AWS SFA-5.4, E410 (mod)
ALLOYING ELEMENTS:
C, Si, Mn, Cr, Ni
HARDNESS:
32-35 HRC
TIP COLOR
GOLDEN BROWN
COATING COLOR
WHITE
| Size | Welding Amperage |
|---|---|
| 3.15 mm | 80-110 A |
| 4.00 mm | 110-150 A |
| 5.00 mm | 150-190 A |
Product Specification
Tough straight chrome deposits for abrasive, erosive
and corrosive applications.
Chromium Carbides in a tough matrix.
• Grind worn/fatigued metal.
• Preheat 13% chrome steels to 200–300 °C.
• Use AC/DC+; chip slag between passes.
• Maintain interpass temp at 200 °C.
• Heat treat/stress relieve at 580–620 °C.
• Refinery plugs and sockets.
• Impeller pump sleeves.
• Turbine runners and buckets.
• Sugar mill trash plates and fibrizer anvils.
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