Nikko Steel Kawat Las Elektroda For Hardfacing and Resurfacing - Build up HV-1050

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 9 HV-1050 LIME RUTILE HARDFACING ELECTRODE DEPOSITING WELD METAL WITH COMPLEX CARBIDE PROVIDING HIGH HOT HARDNESS WITH EXCELLENT RESISTANCE TO ABRASION DATA SHEET NO. 122 SPECIFICATION CLASSIFICATION - PRODUCT DESCRIPTION The design emphasis of the flux is designed to ensure a slag solidification range that allows the chrome carbide particles to be evenly distributed within the austenitic alloy matric, so ensuring complete uniformity of hardness. The balanced lime rutile flux contains the appropriate alloying elements and is bound with a blend of silicates that ensures both coating strength and resistance to moisture absorption. WELDING FEATURES OF THE ELECTRODE The electrode welds with a stable arc and strikes and re-strikes readily. The weld bead is smooth but not as bright as that obtained with straight chrome carbide types and the weld profile is slightly more convex. The metal recovery is some 180% with respect to weight of the core wire, thus reducing welding time. The weld deposits are non-machinable and non heat treatable. APPLICATIONS AND MATERIALS TO BE WELDED Suitable for surfacing a wide range of steels including 13Mn types. Because thermal contractional stresses will cause stress relieving cross-cracking, build-ups should be limited to 3 layers, preferably two when restraint is high. The deposit has excellent resistance to abrasion against minerals, sand and sludges which leads to its extensive use in the earth moving, cement, dredging and steel industries. For build-ups on carbon and low alloy steels or 13Mn steel NSB-307,should be used as a buffer layer. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si Cr Mo V W Nb B Fe MIN 3.5 - - 24 1.5 2.5 6.0 1.5 MAX 4.5 1.0 1.5 32 2.5 3.0 7.0 2.0 TYPICAL 3.6 0.5 1.2 25 2.0 2.8 6.5 1.8 0.002 Bal. WELD METAL HARDNESS (ALL WELD METAL) AS WELDED 150 0 C PRE-HEAT HRC HV 1 st Layer 48 – 54 475 – 575 2 nd Layer 56 – 62 675 – 700 3 rd Layer 60 – 66 700 – 850 The weld metal exhibits thermal stability and resistance to oxidation up to 1000°C. HV (typical) 400°C HV 350 600°C HV 290 800°C HV 240 Actual hardness will be affected on base material composition, number of layers, heat input and welding conditions WELDING AMPERAGE AC or DC+ Ø (mm) 3.2 4.0 5.0 MIN 140 180 200 MAX 180 220 260 OTHER DATA Electrodes that have become damp should be re-dried at 150 o C for 1 hour. RELATED PRODUCTS Please contact our Technical Department for detail. WI-0304 DS122 HV-1050, Rev. 2, Date 01.01.2011

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