General Information for Stainless Steel REX 734
Material Group |
M - Stainless Steel |
Sub-Group |
Austenitic Stainless Steel |
Hardness |
22.0 HB |
Tensile Strength |
780 [N/mm^2] |
Machinability Range |
35% - 45% |
Equivalent International Designations for Stainless Steel REX 734
Standard |
Name |
SAE |
ASTM F1586 |
UNS |
UNS S31675 |
Chemical Composition for Stainless Steel REX 734
Element |
Amount |
Iron (Fe) |
62% |
Chromium (Cr) |
20.8% |
Molybdenum (Mo) |
2.50% |
Manganese (Mn) |
3.12% |
Nickel (Ni) |
10% |
Silicon (Si) |
0.38% |
Copper (Cu) |
0.12% |
Carbon (C) |
0.04% |
Phosphorus (P) |
0.01% |
Sulfur (S) |
0.01% |
Cutting Speeds Recomendations for Stainless steel - Austenitic
Application |
Vc (m/min) |
Vc (SFM) |
Turning |
155-195 |
510-640 |
Milling |
95-125 |
310-410 |
Parting |
60-80 |
200-260 |
Grooving |
90-120 |
300-390 |
Drilling |
45-55 |
150-180 |
Important! The speed estimation is given for an ideal situation:
- Most suitable carbide grade
- Stable tool clamping
- Stable workpiece clamping
- Good quality raw material
- A short overhang of the cutting tool.
- Nominal hardness of the material.
- etc.
Recommended Carbide Grades for StainlessSteel REX 734
Grade for Milling (Indexable)
Recommended Insert Cutting Edge Geometry for Stainless Steel REX 734
Honing Size |
0.03-0.05 mm / 0.001-0.002" |
Rake Angle |
9°-11° |
Land Angle |
Positive |
Land Widt |
0.20-0.30 mm / 0.008-0.012" |