UNS R30556 Bolts
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We produce UNS R30556 bolts,R30556 bolts,UNS R30556 bolting,UNS R30556 Hex Head Bolts,UNS R30556 studbolt,UNS R30556 Heavy Hex head bolts,UNS R30556 Stud Bolts,UNS R30556 Anchor Bolt,UNS R30556 Eye Bolt,UNS R30556 U Bolts,UNS R30556 Structural Bolts,UNS R30556 Step Bolt,UNS R30556 Flange Bolt,R30556 Screw Thread Eye Bolt,R30556 Head Plow Bolts,R30556 Square Head Bolts,R30556 Hexagonal Bolts,R30556 J-Bolts,UNS R30556 Bent Eye Bolts,UNS R30556 Elevator Bolts,UNS R30556 Step Bolts,UNS R30556 Tap Bolts,UNS R30556 Tension Control Bolts,UNS R30556 Shoulder Bolt,R30556 bent bolts,UNS R30556 headed bolts,R30556 Heavy Hex head bolts,UNS R30556 Timber Bolts,UNS R30556 Lag Bolts,UNS R30556 Timber Bolts,UNS R30556 Hanger Bolt,UNS R30556 Button Head Bolts,R30556 Tie Bolt,UNS R30556 Hexagon Bolt,UNS R30556 Hexagon Cap Screw Bolt from china

The type of UNS R30556 anchor bolts that we could do is UNS R30556 straight anchor bolts, bent anchor bolts and headed anchor bolts

The type of UNS R30556 bent bolts that we could do is R30556 bent anchor bolts, u-bolts, square bent u-bolts, j-bolts, bent tie bolts, bent check bolts, bent hook rail bolts, bent I-bolts, and custom special bent bolts.

The type of UNS R30556 headed bolts that we could do is UNS R30556 Cap Screws head bolts,Hex head bolts,Heavy Hex head bolts,Lag Bolts,Square Head bolts,Step Bolts,Dome Head bolts,Carriage boltds,Socket Head Bolts

We could produce UNS R30556 non-standard and speciality large bolts from 1/4” all the way to 4” and in metric sizes from M8 to M100.

The surface finish of UNS R30556 bolts that we could do is as follows:Black Oxide,Brass Plated.Cadmium,Chromate,Chrome,Color Coated,Galvanized,Nickel Plated,Painted,Phosphate,Polished,PTFE,Silver Plated,Teflon,Zinc Plated

In order to control the quality of UNS R30556 bolts, the material of UNS R30556 bars is melted by ESR+VIR or VIM+ESR+VAR and is produced as the standard of ASTM B462 and ASTM B473

UNS R30556  is an iron-nickel-chromium-cobalt alloys

The chemical composition of R30556 bolts is as follows

Chemistry Data : [top]


0.1 - 0.5


0.02 min


0.05 - 0.15


21 - 23


16 - 21




0.005 - 0.1


0.5 - 2


2.5 - 4


19 - 22.5


0.3 max


0.1 - 0.3


0.04 max


0.2 - 0.8


0.15 max


0.3 - 1.25


2 - 3.5


0.001 - 0.1

The mechanical property of UNS R30556 bolts is as follows



Tensile strength

815 MPa

Yield strength

410 MPa

Charpy impact

240 J

Elongation at break


As per heat treatment of UNS R30556 bolts, we could do, solution and ageing treatment, Tempering, Hardening, Spheroidizing, Stress Relieving as per the requirement of the clients

UNS R30556 bolts has been widely used in Valves,Oil Refineries,Petrochemical,Heat Exchangers & Pressure Vessels,Oil & Gas,Pumps.Mining.Paper Mills,Lock & Dam.Agricultural Equipment.Chemical Processing.Metal Fabrication,Marine,Oil Tools & Production,Food and so on

In order to control the quality of UNS R30556 bolts, We could do Chemical & Physical Test,Magnetic Particle Test,Case Depth,Contoureader Tracing,Decarburization/Carburization Report,Hardness Core,Plating Thickness Measurement,Proof Load Test - 400,000 lb. max capacity,Salt Spray Test,Surface Discontinuity Measure,Surface Roughness Test,Tensile Test - 400,000 lb. max capacity as per the requirement of the clients

Our UNS R30556 bolts has been 100% ultrasonic test according to EN102768-3, SA388, Sep 1921  etc

We could supply UNS R30556 bolt material certificate as per the standard of EN10204-3.1 or EN10204-3.2 of third party(like LR,BV,RINA,ABS,DNV,GL,NK,KR and so on)

Please sned us the size or drawing of UNS R30556 bolts, we are glad to quote the best price for your side.

We could accept the drawing of R30556 bolts in following forms:AutoCAD (DWG,DWZ),BMP - Bit Mapped Graphics,Catia (CATDrawing,CATPart),Delcam (DGK, DMT),DXF - Drawing Interchange Format, or Drawing Exchange Format,GIF - Graphics Interchange Format,JPG or JEPG - Joint Photographic Experts Group,MasterCam (MDX, MC8, MC9, SET),PDF - Portable Document Format,Pro-E or Pro/Engineer (DRW,PRT,XPR),AutoCAD (DWG,DWZ),SolidWorks (SLDPRT,SLDDRW,SLDDRT),STEP - Standard for the Exchange of Product Model Data,TIFF - Tagged Image File Format

Except UNS R30556 bolts,we also could produce UNS R30556 flanges,UNS R30556 plates,UNS R30556 fastener,UNS R30556 bars,UNS R30556 fittings,UNS R30556 pipes,UNS R30556 tubes,UNS R30556 springs