Science, asked by MrMd, 1 year ago

why cast iron is difficult to weld ?

Answers

Answered by hunterRK

mainly because during the welding process cast iron; being brittle, is prone to cracking. ways to prevents this are to preheat the whole piece to cherry red and when completed allow it to slow cool by wrapping in rock wool.

MrMd: so, how can we weld cast iron

hunterRK: i had. given. u soltio. read

MrMd: I'm asking, which method use ....can we weld cast iron by arc welding ???

hunterRK: Cast iron is difficult, but not impossible, to weld. In most cases, welding on cast iron involves repairs to castings, not joining casting to other members. The repairs may be made in the foundry where the castings are produced, or may be made to repair casting defects that are discovered after the part is machined. Mis-machined cast iron parts may require repair welding, such as when holes are drilled in the wrong location. Frequently,

Answered by 1Anushka12

Hey mate here is your answer

Cast iron is difficult, but not impossible, to weld. In most cases, welding on cast iron involves repairs to castings, not joining casting to other members. The repairs may be made in the foundry where the castings are produced, or may be made to repair casting defects that are discovered after the part is machined.

Hope this answer will help you!!
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MrMd: sory , I'm not getting my point ..pls explain more

hunterRK: about. welding

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