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德國UTP HydroCav進(jìn)口耐磨焊條
德國UTP A DUR 600耐磨藥芯焊絲 盾構(gòu)機(jī)刀盤專用耐磨堆焊焊絲
德國UTP耐磨焊絲A DUR 600盾構(gòu)機(jī)堆焊焊絲
德國UTP焊條6810MoKb雙相不銹鋼焊條
西安駿焊專業(yè)代理德國UTP焊條焊絲 電廠專用鎳基焊條鎳基焊絲 不銹鋼焊條焊絲 耐熱鋼焊條焊絲 耐候鋼焊條焊絲 低溫鋼焊條焊絲 低合金焊條焊絲 鑄鐵焊條焊絲 耐磨堆焊藥芯焊絲 埋弧焊絲 明弧焊絲等特種焊接材料進(jìn)口焊條進(jìn)口焊絲
德國UTP焊條焊絲
Classifications DIN 8555 EN 14700 E 5-UM-250-CKZT EZ Fe9
Characteristics and field of use UTP HydroCav is suitable for wear-resistant surfacings on weldments where high resistance to cavitation pitting, corrosion, pressure and impact is required, as for example in water turbine construction and pump construction. Due to the strong ability of work-hardening the weld deposit hardness under impact stress can be doubled. The main application field are surfacing on soft martensitic 13/4 CrNi-steels on Kaplan turbine blades. UTP HydroCav has good welding properties and is weldable in all positions, except vertical-down. It has a stable arc, even weld build-up, and good slag removability. Hardness of the pure weld deposit as-welding condition approx. 21 HRC After cold hardening approx. 50 HRC Typical analysis in % C Si Mn Cr Ni Co Fe 0,2 0,7 10,0 20,0 0,15 13,0 balance Welding instruction Clean welding area thoroughly to metallic bright. The interpass temperature should not exceed 250°C. Preheating of solid work pieces to 80 – 100°C is advantageous. Weld stick electrode with short arc and steep guidance. Redrying: 2h/300° C Welding positions Current type DC (+) / AC Recommended welding parameters Electrodes ? x L [mm] 2,5 x 350 3,2 x 350 4,0 x 350 Amperage [A] 70 – 90 90 – 120 120 – 150
