ECoCr-A焊条 

ECoCr-A焊条

ECoCr-A焊条为钨铬钴合金-A韧性极佳耐冷间与热间冲击性,交直流两用人才,电弧安定,穿透浅,焊道剥离性良好,比用气焊方式引起的硬度低,适宜大工件,焊接速度快的场所或气焊作业困难的场所最能发挥其效果,适用于转辊轴,供料辊轴,石油钻具等的焊补。

Oxford Alloy® #6
SPECIFICATIONSCLASSIFICATIONS
AWS 5.13 AWS ECoCr-A
ASME SFA 5.13UNS W73006

DESCRIPTION / APPLICATION

Oxford Alloy #6 Coated is a non-ferrous, cobalt-chromium-tungsten alloy. This electrode is recommended for metal-to-metal abrasion and high impact applications involving high temperatures and/or corrosive media. Some typical applications are valves of all kinds, shear blades, hot punches and saw guides. Oxford Alloy #6 Coated is the most generally useful cobalt alloy; it has excellent resistance to many forms of mechani-cal and chemical degradation over a wide temperature range. This alloy has outstanding self-mated anti-galling properties, high temperature hardness, and a high resistance to cavitation erosion, which result in its wide use as a valve seat material. It is ideally suited for a variety of hard-facing processes. The weld deposits of the Oxford Alloy #6 Coated are smooth and normally acquire mirror-like finish in use. The deposits retain wear resistance at high temperatures. This alloy is nonmagnetic and is not forgeable. It can be machined with carbide tools. Oxford Alloy #6 Coated bonds well with weldable alloy steels, including stainless.

AWS Chemical Composition
CCoCrWMnSiNi
0.7-1.4Bal 25-32 3.0-6.02.0max2.0 max 3.0 max
MoFeOET    
1.0 max 5.0 max 1.0 max     

TYPICAL MECHANICAL PROPERTIES
Hardness: 23-47 HRC

Note: The typical hardness values listed above are for multilayer welds. Hardness values for single deposits will be lower because of dilution from the base metal.

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