Alloy REX-734 / 1.4472

Implant alloy with high requirements as to corrosion resistance and fatigue resistance. Austenitic stainless steel with excellent corrosion resistance combined with good mechanical properties.


Main fields of application of alloy REX-734

Production of surgical implants - replacement for hip, knee, shoulder, marrow-nails as well as for devices for osteosynthesis.


Chemical composition of alloy REX-734

ElementCMoSiNiMnNbPN
%≤ 0,082 - 3≤ 0,759 - 112 - 4,250,25 - 0,8≤ 0,0250,25 - 0,5
ElementSCuCrFe
%≤ 0,010≤ 0,2519.5rest

Mechanical properties of REX-734

conditionspecification values (bars)
annealedtensile strength Rm: ≥ 740 MPa, elongation A: ≥ 35%
precipitation hardenedtensile strength Rm: ≥ 1060 MPa, elongation A: ≥ 12%

Delivery program

Producton stock
20,0 mm kg/m
35,0 mm kg/m
45,0 mm kg/m

Further bars and profiles in different executions available upon request.


Services provided by our internal service center for REX-734

We can provide various services directly in our service center. You save time, cost (internal or external) and don't need to find solutions for scrap management or handling of heavy plates and long bars.

Services suitable for round bars

  • sawing of bars
  • Bar marking
  • Turning machine

Weight Calculator

Density:7.85
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