EFe3

2023-05-17 16:08:10 来源：钢铁之家阅读量：0

牌号	EFe3
	W74003
对应标准	AWS A5.13/A5.13M-2010 堆焊焊条规范保护金属电弧焊 Specification for Surfacing Electrodes for Shielded Metal Arc Welding
归类	合金钢
标签	铁基堆焊焊条
说明	Characteristics. Weld metal deposited by these electrodes is an air-hardening tool steel type with high room temperature hardness (55–60 HRC). Deposits can be applied crack-free with careful procedures. The deposits cannot be machined and generally are ground when finishing is required. Applications. EFe3 electrodes are used to overlay surfaces and edges requiring high hardness and crack-free deposits, such as the edges of tools and dies. Deposits are compatible with many tool steels. Although generally used for metal-to-metal applications, EFe3 weld metal performs well in earth abrasion applications where high impact is encountered.

EFe3 化学元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Mo	其他合计	更多
最小值	0.5	-	0.5	-	-	4	-	-	Fe:余量
最大值	0.8	1	1.5	0.035	0.035	8	1	1	Fe:余量

其他单个或其他合计化学成分包括表中未指定值的化学成分。只有在假定存在或在常规分析中，且有迹象表明其成分将超过规定值的情况下，才应进行分析。

碳当量计算

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