317LMN Springs
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We could produce 317LMN springs,317 LMN springs,317 LMN Compression Springs,317LMN Extension Springs,317LMN Torsion Springs,317 LMN tension spring, 317LMN disc spring, 317LMN wave spring,317 LMN Spiral Springs,317LMN Automotive Springs,317LMN Elevator Springs,317LMN coil springs,317LMN Conical Springs,317LMN Tapered Springs,317LMN Barrel Springs,317 LMN die springs,317 LMN Constant Force Springs,317 LMN Power Springs,317 LMN Garter Springs,317LMN retaining Springs,317LMN Volute Springs,317LMN flat springs,317LMN Volute Springs,317LMN battery springs,317LMN Spring Clips,317LMN Battery Contacts from china

The diameter of 317LMN springs that we could do range from 0.30 mm to 3.00 mm.

Our 317LMN springs come in a variety of surface finishes from bluing to clear or yellow zinc electroplating, electrolytic nickel, powder coating and zinc phosphate coating always executed by specialized subcontractors

At the end of the manufacturing and stress relief cycles, clients require different and very specific types of treatments in order to improve 317LMN spring performance. Terminal coil grinding, spring setting, internal and external tumbling, shot peen and vibration are the most common ones.

317LMN is non-magnetic in the annealed condition

The chemical composition of 317 LMN springs is as follows


Content (%)

Iron, Fe


Chromium, Cr

17 – 20

Nickel, Ni

13.5 - 17.5

Molybdenum, Mo


Manganese, Mn


Silicon, Si


Nitrogen, N

0.10 - 0.20

Phosphorus, P


Sulfur, S


Carbon, C


The mechanical property of 317LMN spring is as follows



Ultimate tensile strength

89030 PSI

Yield strength

45965 PSI

Elongation at break


Reduction in area


Hardness, Rockwell


We could do solution treatment and ageing treatment for 317LMN springs as per the requirement of the clients.

We could supply inspection certificate of 317LMN springs by third party,like TUV,DNV,GL,BV,SGS and so on

In order to control the quality of 317 LMN springs, we have following inspection equipment:Magnetic Particle Flaw Detector,Hot Coil Spring Production Line.Fatigue Testing Machine,Hardening Furnace,Optical Emission Spectrometry,Spring Coiler,Salt Spray Test Machine,Shot Blaster Machine,Automatic Spring Coiler,Electric Temper Furnace,Electric Temper Furnace,Automatic Spring Coiler,Pressure Testing Machine20mm CNC Spring Coiler,Spring Grinder,Pressure Testing Machine

Our 317 LMN springs are widely used in automotive, railroad, wind energy, construction equipment, mining machinery, medical equipment, aerospace, defense, general machinery etc

Please send us the drawing of 317LMN springs that you need, we are glad to quote the best price for your side.

Except 317LMN Springs,we also could produce 317LMN flanges,317LMN plates,317LMN fasteners,317LMN bolts,317LMN pipe fittings,317LMN pipes,317LMN tubes,317LMN bars