Toolmaker

4140 is an oil quench material. I will be sur to Anneal them when finnished.
Wd&mlteach nice job on the tongs.
matweb is a good resource for material data.:)

well if they break it will be alesson learnen,then I will have to teach myself to forge weld.

It is nice to know others struggle with tong making. I am on my third attempt. This time using 5/8Dia. 4140 if they work I will post a pic. This whole Blacksmithing is so different than Machining. I like it.

Hi I am new to this forum, but i will put in my oppinion. I sugest H-13 heat treated and double Tempered it will not heat check and will take a beating.

Hope this helps
Wayne