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ECuAI-D/Mold 4250

库存现货品种规格：
冷轧带材：0.05~3.0×≤420mm
热轧(锻)材：Φ5.5~150mm，方40~160×40~160mm
冷拉丝材：Φ0.1~8mm
热轧带材：3.0~13.0×60~420mm
棒材：Φ8mm~Φ355mm
无缝管：Φ3*0.5mm~114*6mm   114mm以上规格可快速出货
产品规格：规格齐全，国产/进口均有库存现货，欢迎咨询，其他特殊规格要求可按加工需求定制！
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 备注：一口价为1公斤的价格，20公斤/箱

Weld Mold 4250 

Weld Mold 4250 is an aluminum bronze alloy used primarily for overlay and cladding application. Weld deposits exhibit high yield strength and hardness but lower tensile strength and ductility typical of other aluminum bronzes.

Applications

Used where high hardness and very high loading pressures are encountered on bearing surfaces and draw dies. Superior wear resistance coupled with anti-galling and metal pickup properties.

Procedure

For best results clean area of all foreign matter and debris. For the GMAW process a gas flow of 45-55 CFH is needed to insure a bright clean weld. Use a push technique with the gun at a 35° to 45° angle. A pre-heat of 1000°F is recommended when welding on pure copper. When using the GTAW process employ an arc length of 1/16″ to 3/16″ should be maintained with the tungsten extended 1/4″ to 3/8″ beyond the cup. A dip technique similar to welding aluminum is recommended.

GMAWGTAW
DC+,
Ar		 ACHF or DC-.
He or Ar
Use 2% Thorium Tungsten

Technical Data


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