hardened machining parts, material:wear-resistant plate machining partsmachining parts, material:wear-resistant plate (SAE1345=SMn443), hardened to HRC 35-40 degree, Share this: Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on WhatsApp (Opens in new window) WhatsApp Like this:Like Loading... welding Posted on June 30, 2017May 8, 2019 by J.S.