REX-734
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 for devices for osteosynthesis.
Chemical composition of alloy REX-734
C | ≤ 0,08 | Mo | 2 - 3 |
Si | ≤ 0,75 | Ni | 9 - 11 |
Mn | 2 - 4,25 | Nb | 0,25 - 0,8 |
P | ≤ 0,025 | N | 0,25 - 0,5 |
S | ≤ 0,010 | Cu | ≤ 0,25 |
Cr | 19.5 | Fe | rest |
Mechanical properties of REX-734
annealed | specification values (bars) |
tensile strength Rm | ≥ 740 MPa |
elongation A | ≥ 35% |
precipitation hardened | specification values (bars) |
tensile strength Rm | ≥ 1060 MPa |
elongation A | ≥ 12% |
Delivery program
mm kg/m on stock
20,0 2.5 ●
35,0 7.7 ●
45,0 12.3 ●
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
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Product Count
Coil (36)

Coil slit strip (26)

Sheets & plates (1688)

Tubes round (79)

Full material square-cut (18)

Tubes quadratic or rectangular (3)

Hexagon-Shape (13)

U-Shape (1)

Wire Coil (3)

Flat Steel (9)

Cuts, fittings, other shapes (21)

Disk (3)

Round bars (269)

Ingots "square" (8)

Contact us

Marcel Zuber
Sr. Business Unit Manager SAM Services Aerospace & MedicalServices
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