ThespecialcoldcutcircularsawbladesofContorcoldcutflyingsawsvaryinsize.Accordingtotherangeofthediameteroftheweldedpipethatneedstobesawed,therangeofthewallthickness,thematerialoftheweldedpipedetermineswhichtypeofmaterialisusedforthecold-cutflyingsawblade.