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

The type of ALLOY DS anchor bolts that we could do is ALLOY DS straight anchor bolts, bent anchor bolts and headed anchor bolts

The type of ALLOY DS bent bolts that we could do is INCOLOY ALLOY DS 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 ALLOY DS headed bolts that we could do is ALLOY DS 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 ALLOY DS 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 ALLOY DS 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 ALLOY DS bolts, the material of ALLOY DS bars is melted by ESR+VIR or VIM+ESR+VAR and is produced as the standard of ASTM B462 and ASTM B473

ALLOY DS  is a general purpose alloy for heat resistance in applications such as industrial heat-treating furnaces, or furnace applications that involve atmospheres that may attack lesser alloys.

The chemical composition of INCOLOY ALLOY DS bolts is as follows


34.50 -






17.00 -




1.90 -




0.80 -




















The mechanical property of ALLOY DS bolts is as follows



Tensile strength (solution annealed, value at room  temperature)

84100 psi

Yield strength (@ strain 0.200%, precipitation  hardened, value at room temperature)

31200 psi

Elongation at break (solution annealed)


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

ALLOY DS bolts has been widely used in Power,Petrochemical,Agro chemicals,Paper and Pulp Industries,Engineering and Construction,Automotive,Drilling and Well Building,Chemical,Power Plants,Research and Technology,Architecture,Food & Beverages,Aircraft and Aerospace,Oil and Gas,Paper and Pulp,Pharmaceutical & Biochemistry ,Pneumatic Conveyor Systems,Pumps,Ship Building,Water Treatment Plants and so on

In order to control the quality of ALLOY DS 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 ALLOY DS bolts has been 100% ultrasonic test according to EN102768-3, SA388, Sep 1921  etc

We could supply ALLOY DS 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 ALLOY DS bolts, we are glad to quote the best price for your side.

We could accept the drawing of INCOLOY ALLOY DS 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 ALLOY DS bolts,we also could produce ALLOY DS flanges,ALLOY DS plates,ALLOY DS fastener,ALLOY DS bars,ALLOY DS fittings,ALLOY DS pipes,ALLOY DS tubes,ALLOY DS springs