包装：
名称：

万得模®888

独特的超强度铬/镍合金，对几乎所有工具钢热处理方式有反应，并且可以维持其优异的机械性能。焊缝密集、无孔、平滑、抗腐蚀和温度在华氏1200度时抗热缩放。用于焊接和修复破裂或断裂的工具，模具和夹具，也适用于阀门、轴承和轴的防摩擦表面焊接。硬度RC 36-40

产品规格： NA
可用形式：手工电弧焊，药芯焊丝，氩弧焊，气体保护焊

Weld Mold 888

The unique chemical analysis of 888 will respond to almost all tool steel heat treatments and retain its endowed superior mechanical properties without cracking. Weld deposits are dense, porous-free, smooth, crack desensitized, resistant to corrosion and heat scaling up to 1200oF.

Applications

Weld Mold 888 is for joining both heat treatable and non-heat treatable steels. Subsequent heat treatment procedure of cracked and fractured tools, dies, fixtures, and other parts will be dependent on the base material. The low coefficient of friction of 888 makes it ideal for buildup and surfacing on shafts, bearing surfaces, and valves. Ideally suited for high temperature applications such as steam turbine buckets, blades and covers.

Procedure

Prepare unit by removing all foreign material, fatigued metal, and any sharp radii. Bevel heavy sections to be joined. To obtain optimal results on high alloy tool steels it is advisable to preheat according to the base metal. Generally, on other applications preheating is not necessary. Peening will help relieve stresses and is advisable when welding on high alloy materials.

SMAWGMAWFCAWGTAW

DC+, Hold A Short Arc

DC+ 100% Ar or 92%Ar/8% CO2

DC+ 75% Ar 25% CO2 or 100% CO2

DC- 100%Ar

Technical Data

• Available Processes: SMAW, GMAW, FCAW and GTAW
• Alloy Type: Super Strength Chromium-Nickel
• Tensile Strength: Up to 120,000 psi
• Elongation: Up to 40%
• Harness: 36-40 RC
• Machinability: Excellent On All Base Metals
• Heat Treatment: Use Base Metal Procedure