FWG manufactures compression, extension, and torsion springs in an array of metals, specializing in high grade alloys. We hav ... e been in business for more than 30 years in Germany and are now entering the U.S. market. We have one of the largest wire diameter ranges in the industry and customize every order to suite your needs. FWG manufactures Springwire between .15mm to 54.00mm (.005in to 2.12in) Wirediameter. Material List: Carbon Steel, Stainless Steel 1.4310, 1.4571, 1.4401, AISI 302, AISI 304, AISI 316, AISI 316 Ti Inconell 600, Inconell 625, Inconell 718, Inconell x750, Incoloy 800, Incoloy 800 HT, Nimonic 90, Monell K500, Hastelloy C4, Hastelloy c-22, Hastelloy C-276, Mp35N, Phynox, Alloy 20 CB 3, Titanium Grade 5, 51 Cr V4, 52 CrMoV4 We are certified ISO 9001: 2008, and KTA 1401 for the Nuclear Industry Any questions or to request a quote, email: service@fwg-springs.com Ph: 423-979-8472 read more