Historical
SAE AMS 5556H-2003 (SAE AMS5556H-2003)
Steel Corrosion and Heat-Resistant, Seamless or Welded Tubing 18Cr 11Ni 0.70Cb (SAE 30347) Solution Heat Treated ( Reaffirmed: May 2008 )
This specification covers a corrosion and heat resistant steel in the form of seamless or welded and drawn tubing. This tubing has been used typically for parts requiring both corrosion and heat resistance, especially when such parts are welded during fabrication, but usage is not limited to such applications. The alloy provides oxidation resistance up to 1500 \mDF (816 \mDC) but is useful at that temperature only when stresses are low.
Society of Automotive Engineers [sae]