414N-O Hardfacing Wire for Repairing Continuous Casting Roller
1. Chemical composition and hardness
Type
C
Mn
Si
Cr
Ni
Mo
Other
Hardness
LZ414N
0.14-0.12%
0.5-1.6%
≤2.0%
12.0-15.0%
3.0-6.0%
≤1.5%
≤2.0%
HRC45-52
2.Properties
1) Hardfacing metal properties: excellent resistance to high temperature,oxidant and heat fatigue.
2) Weldability: stable welding arc, good performance, lower spatter, high-usage.
3) Suitable base metal: any carbon steel with C＜1%.
4）Hardfacing thickness: within 8mm.
5) Anti-cracking ability: excellent, based on base metal, size, thickness and welding technology.
6) Machining: Tunning, milling and grinding after hardfacing.
7) Package: φ2.4mm/φ2.8mm, 25kg/coil and 250kg/drum.
3. Optimum welding procedure parameters
Diameter
Current
Voltage
Stickout
2.4mm
250A-360A
26V-28V
25V-30V
2.8mm
300A-400A
27V-29V
30V-35V
4.Notes:
1. Remove fatigue layer, oil and rust.
2. Stored in cool and dry place, use up within three days once opened.
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