316LS / 316LVM Surgical Stainless Steel Bar - ASTM F138
316LS/316LVM surgical steel is an electro-slag remelted (ESR) or vacuum arc remelted (VAR), low carbon, high nickel and molybdenum version of 316 stainless. The secondary premium melting step imparts improved cleanliness. The chemistry modifications are designed to maximize the corrosion resistance of this alloy and provide a ferrite-free microstructure. The alloy is nonmagnetic even after severe cold forming operations.
316LS/316LVM Inventory Size Ranges
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Standard Inventory Specifications
- ASTM F138
Common Trade Names
- BioDur® 316LS
- 316 LVM Surgical Steel
Common Applications of 316LS/316LVM
- Fracture Fixation Devices
- Bone Plates
- Screws
- Intramedullary Nails
- Surgical Implant Devices
- Surgical Instruments
Chemical Composition
| Element | Percent by Weight | |
|---|---|---|
| C | Carbon | 0.03% |
| P | Phosphorus | 0.03% |
| Si | Silicon | 0.75% |
| Ni | Nickel | 13% - 15% |
| Cu | Copper | 0.05% |
| Mn | Manganese | 2.00% |
| S | Sulfur | 0.01% |
| Cr | Chromium | 17% - 19% |
| Mo | Molybdenum | 2.25% - 3% |
| N | Nitrogen | 0.10% |
| Fe | Iron | Balance |
Physical Properties of 316LS/LVM
|
|
|
|---|---|
|
Specific Gravity |
7.95 |
|
Density |
0.2870 lb/in³ |
|
Mean Specific Heat 32-212°F |
1200 Btu/lb/°F |
|
Electrical Resistivity 70° |
445.0 Ohm-cir-mil/ft |
Mechanical Properties of 316LS/LVM
|
Diameter |
Ultimate Tensile Strength |
||
|---|---|---|---|
|
In. |
Mm |
Ksi |
MPa |
|
Up to 0.250 0.251-0.500 0.501-1.000 1.001-1.500 1.501-1.750 Over 1.750 |
Up to 6.3 6.31-12.7 12.71-25.4 25.4-38.1 38.11-44.5 Over 44.5 |
175 165 155 125 95 85 |
1207 1138 1069 862 655 586 |
|
Condition |
% Cold Worked |
0.2% Yield Strength |
Ultimate Tensile Strength |
% Elongation in 4D |
% Reduction of Area |
HRC Hardness |
|---|---|---|---|---|---|---|
|
|
|
Ksi MPa |
Ksi MPa |
|
|
|
|
Annealed |
N/A |
36 248 |
85 586 |
57 |
88 |
88 HRB |
|
Cold Worked |
35 48 52 60 70 80 |
115 793 120 827 123 848 128 883 130 896 137 945 |
125 862 145 1000 150 1034 160 1103 170 1172 180 1241 |
18 16 16 16 15 13 |
72 69 65 62 60 57 |
26 32 34 36 38 40 |
United Performance Metals is Approved ISO 13485 : 2016.
*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.