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Materials

Metal hose is stocked in the following materials:

  • Stainless Steel 304/L
  • Stainless Steel 321
  • Stainless Steel 316/L
  • High Nickel Alloy 625
  • Monel 400
  • Hastelloy C276

Other grades are available to order. Hose braid is typically stainless steel of the same grade as the core hose or 316/L with higher alloy core.

Temperature Deration

When considering the hose material it is important to also consider the design temperature.

The allowable pressure rating of metal hose for a particular material will decrease with temperature being typically around 0.5 of rated pressure at 500C - the exact figure depending on the material.