Product Code:SAE AMS5577 Title:Steel, Corrosion and Heat Resistant, Welded Tubing, 25Cr - 20Ni (SAE 30310), Solution Heat Treated Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee Scope: This specification covers a corrosion and heat resistant steel in the form of welded tubing.This tubing has been used typically for parts requiring both corrosion and heat resistance, especially when such parts are welded during fabrication and for parts requiring oxidation resistance up to 2000 degrees F (1093 degrees C) but useful at that temperature only when stresses are low, but usage is not limited to such applications. Rationale: This specification covers a corrosion and heat resistant steel in the form of welded tubing.This tubing has been used typically for parts requiring both corrosion and heat resistance, especially when such parts are welded during fabrication and for parts requiring oxidation resistance up to 2000 degrees F (1093 degrees C) but useful at that temperature only when stresses are low, but usage is not limited to such applications.