Ferralium 255 Fasteners

Size In Ready Stock

• Screw Size = M1.2 To M48
• Stud Size = M4 To M100
• Bolts Size : M1.2 To M120
• Nut Size = M2 To M80
• Washer Size = M2 To M24

Ferralium 255 Bolts Head Style

• Button
• Flat
• Truss
• Hex
• Round

Neck Type of 255 Ferralium Bolts

• Knurled
• Square
• Hex
• Triangular

Threads Types of 255-SD50 Bolts

• BSW
• UNF
• CBSF
• UN

Head Drive of Alloy 255 Bolts

• Phillips
• Phillips/Slot
• Six-Lobe
• Slotted

255 Bolts and Nuts Ends Types

• Flat or Saw cut
• Chamfered
• Rounded
• Sheared

UNS S32550 Threaded Rod

• Condition : Threading or Cold Drawn
• Threads : Left and Right Hand, Both Side

EN 1.4507 Stud Bolts

• End Types : Rounded, Flat and Saw Cut
• Threads : Double End, Fully or Fine Threaded

Super Duplex 255 Screws

• Threads Pitch : Fine and Coarse
• Head Shape : Round, Pan, Button

Ferralium 255 Super Duplex Washers

• Forms : A, D, C, G, B, E
• Thickness : 0.002" to ½"

Manufacturing Process

• CNC Machine
• Cold forging
• Hot forging

Advantages

• Excellent Resistance to Corrosion
• Outstanding Pitting Resistance
• Excellent Ductility

Testing Requirements

• Tensile Testing
• Retempering Test
• Head Robustness Testing

Application

• Oil & Gas Industry
• Marine
• Pulp and Paper

Packaging Types

• Custom
• Carton Box
• Wooden Cases

Raw Material

• German
• Janpanese
• European

• Manganese (Mn) = 0.80% - 1.20%
• Iron (Fe) = Balanced
• Carbon (C) = 0.025%
• Chromium (Cr) = 24.50% - 26.50%

• Nickel (Ni) = 5.50% - 6.50%
• Phosphorus (P) = 0.025%
• Sulfur (S) = 0.005%
• Silicon (Si) = 0.70%