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FV520B Springs
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We could produce FV520B springs,FV 520 B springs,FV 520 B Compression Springs,FV520B Extension Springs,FV520B Torsion Springs,FV 520 B tension spring, FV520B disc spring, FV520B wave spring,FV 520 B Spiral Springs,FV520B Automotive Springs,FV520B Elevator Springs,FV520B coil springs,FV520B Conical Springs,FV520B Tapered Springs,FV520B Barrel Springs,FV 520 B die springs,FV 520 B Constant Force Springs,FV 520 B Power Springs,FV 520 B Garter Springs,FV520B retaining Springs,FV520B Volute Springs,FV520B flat springs,FV520B Volute Springs,FV520B battery springs,FV520B Spring Clips,FV520B Battery Contacts from china
The diameter of FV520B springs that we could do range from 0.30 mm to 3.00 mm.
Our FV520B 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 FV520B spring performance. Terminal coil grinding, spring setting, internal and external tumbling, shot peen and vibration are the most common ones.
FV520B is A precipitation hardening stainless steel with excellent anti galling characteristics.

The chemical composition of FV 520 B springs is as follows

Analysis

Carbon

0.07% max

Chromium

13.20-14.70%

Manganese

1.00% max

Nickel

5.00-6.00%

Silicon

0.70% max

Molybdenum

1.20-2.00%

Phosphorous

0.035% max

Niobium

0.20-0.70%

Sulphur

0.025% max

Copper

1.20-2.00%


The mechanical property of FV520B spring is as follows

Mechanical Properties
Room Temperature

Specified Limits

Ultimate Tensile Strength, MPA

MiN 800

.2% Offset Yield Strength, MPA

925-1090

Elongation in 2", %

40

Reduction of Area, %

50


We could do solution treatment and ageing treatment for FV520B springs as per the requirement of the clients.
We could supply inspection certificate of FV520B springs by third party,like TUV,DNV,GL,BV,SGS and so on
In order to control the quality of FV 520 B 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 Machine 20mm CNC Spring Coiler,Spring Grinder,Pressure Testing Machine
Our FV 520 B 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 FV520B springs that you need, we are glad to quote the best price for your side.
Except FV520B Springs,we also could produce FV520B flanges,FV520B plates,FV520B fasteners,FV520B bolts,FV520B pipe fittings,FV520B pipes,FV520B tubes,FV520B bars