PSK 4204 - Pipe Class E10C1C for Pressure Purposes. Seamless or Welded Non-Alloy Steel Pipe for Elevated Temperature
PSK 4235 - Pipe Class E40H1A for Pressure Purposes. Austenitic Stainless CrNi-steel
PSK 4239 - Pipe Class E10H2A for Pressure Purposes. Austenitic Stainless CrNiMo-steel
PSK 4241 - Pipe Class E25H2A for Pressure Purposes. Austenitic Stainless CrNiMo-steel
