FV520B Fasteners
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We produce FV520B fasteners,FV 520 B fasteners,FV520B studs,FV520B Nuts,FV520B Screws,FV520B Washers,FV520B Sockets,FV520B pins,FV520B turnbuckles,FV520B socket screws,FV520B HEAVY HEX NUT,FV 520 B HEX NUT,FV 520 B Rivets,FV520B coupling nuts and FV520B pins in china
The type of FV520B nuts that we could do is as follows:FV520B Hex Nuts,FV520B Heavy Hex Nut,FV 520 B Cap Nut,Acorn Nut,Serrated Flange Nut,Coupling Nut,Square Nut,Castle Nut,Wing Nut,Flange Lock Nut,Flex Lock NutnK Lock Nut,Jam Nut,Slotted Nut,Way Lock Nut,Custom Nut,T Nuts  
The type of FV520B bolts that we could do is as follows:FV 520 B Hex Head Bolt,Carriage Bolt,Anchor Bolt,Eye Bolt,Flange Bolt,Elevator Bolt,Lag Bolt,Draw Bolt,Plow Bolt,Stove Bolt,Tap Bolt,Hanger Bolt,U Bolt,Grub Screw,Shoulder Bolt,Step Bolt,J Bolt
The type of FV520B screws that we could do is as follows:FV520B Socket Head Cap Screws,Flat Socket Cap Screws,Button Head Socket Screw, Low Head Cap Screws, Countersunk Socket Screws,Socket Cap screws,Socket Set screws and so on
The type of FV520B studs that we could do is as follows: FV520B Thread Studs,Collar Studs,Combo Studs,Double End Studs,Pad Studs,engineer studs,Tap End Studs
The type of FV520B washers that we could do is as follows:FV520B Flat Washer,Spring Washers,Dome Washer,Hexagonal Washer,Square Washer,Countersunk WasherTooth Lock Washer,Dock Washer,Fender Washer,Ogee Washer,Hex Washers,Split / Lock Washer,Customized Washer,Tab Washers
As per surface finish of FV520B fasteners. we could do Cadmium Plating,Cadmium Yellow,Chrysler Specs,Zinc and Black Dichromate,Zinc and Yellow Dichromate,Zinc Plating as per the requirement of the clients
FV520B offers good corrosion resistance, weldability and is capable of being hardened by low temperature treatment.

The chemical composition of FV 520 B fasteners is as follows



0.07% max




1.00% max




0.70% max




0.035% max




0.025% max



The mechanical property of FV520B fasteners is as follows

Mechanical Properties
Room Temperature

Specified Limits

Ultimate Tensile Strength, PSI

MiN 116000

.2% Offset Yield Strength, PSI


Elongation in 2", %


As per heat treatment of FV520B fasteners, we could do, solution and ageing treatment, Tempering, Hardening, Spheroidizing, Stress Relieving as per the requirement of the clients
In order to control the quality of FV520B fasteners, we have following inspection equipment:size inspection equipment,Digital Vernier Callipers,Digital Micrometers,Slip Gauge Sets,Adjustable Dial Snap Gauges,Thread Ring Gauges,Thread Plug Gauges,Wear Check Plugs for Thread Gauges,Distance Gauges,Adjustable Dial Snap Gauges,Height Gauges,System 21 Ring Gauge,Rotational Capacity
As per the packing of FV520B fasteners, In addition to the standard cartons, we also provides small box packing, color-printed carton, polybag packing, custom label with barcode etc.
In order to control the quality of FV520B fasteners materail, we could do following test as per the requirement of the clients:tensile tests,impact test,hardness test (Brinell, Vickers, Rockwell),magnetic partlice examination,penetrants test (surface for fissures),ultrasonic examination,
Our FV520B fasteners are widely used in heat exchangers,air receivers,pressure vessels,Stripper columns, separators, splitter, columns, hydro treaters, hydro crackers, desalters,shipping building and Aviation,drilling stations, pipelines and refineries,processing units,mechanical equipment, crystalizer equipment,Offshore and onshore industry, such as subsea and deepwater offshore oil production systems, industrial air compressors, power generators and nitrogen generators and so on,

Also we could supply FV520B fasteners quality inspection certificate by third party,like TUV, GL, LR, ABS, DNV, RINA, BV and so on
Please send us the size or drawing of FV520B fasteners that you need, we are glad to quote the best price
Except FV520B fasteners,we also could produce FV520B flanges,FV520B plates,FV520B bars,FV520B bolts,FV520B pipe fittings,FV520B pipes,FV520B tubes,FV520B springs