Suzhou Xunshi New Material Co., Ltd
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Introduction of 316LVM
316LVM is a vacuum remelted, molybdenum alloyed, austenitic stainless steel and is used for implant and other medical applications. It is also suitable for the watch industry because of its absolute cleanliness and excellent polishing properties.
The chemical requirements for implant quality stainless steel are documented in ASTM F138 and ISO 5832 specifications. A similar analysis of stainless steel is also available as ASTM A276 commercial quality alloy with different composition limits and microstructure features when compared to implant quality. The composition limits for implant quality and commercial quality stainless steel are compared.
No known surgical implant material has ever been shown to cause absolutely no adverse reactions in the humant body. However, long-term
clinical experience of the use of 316LVM (ISO 5832-1) has shown that an acceptable levet of bialogical response can be expected, when the material is used in appropniate applications.
Chemical composition(%)
| Elements | ASTM F 138 | ISO 5832-1 |
| C | 0.030 | 0.030 |
| Mn | 2.00 | 2.0 |
| P | 0.025 | 0.025 |
| S | 0.010 | 0.010 |
| Si | 0.75 | 1.0 |
| Cr | 17.00-19.00 | 17.0-19.0 |
| Ni | 13.00-15.00 | 13.0-15.0 |
| Mo | 2.25-3.00 | 2.5-3.5 |
| N | 0.10 | 0.10 |
| Cu | 0.50 | 0.50 |
| Fe | Balance | Balance |
* %Cr + 3.3 x %Mo≥26
Xunshi supplies 316LVM in shape of round bar, wire rod, cold drawn wire. We could produce according to ASTM F138, ISO5832-1 and GB 4234(China standard of implants stainless steel).
Features of 316LVM
· High strength
· High fatigue strength
· Excellent microcleanliness
· Excellent structural homogeneity
· High surface finish
316LVM is used by customers for implant applications; hip stems, femoral heads, spinal systems, acetabular cups, intramedullary nails, bone screws, knee joints, and pins, bone and nail plates, internal fixation devices, dental implants, staples.
This grade is also used for cardiovascular applications: guide wires, cardiac stents and for surgical instruments and tools; blood lancets, stylets, trocars.
