ASTM A540 Grade B23 Bolts

Size In Ready Stock

• ASME SA540 Grade B23 Screw = M1.2 To M48
• ASTM A540 Grade B23 Bolts : M1.2 To M120
• A540 Grade B23 Washer = M2 To M24
• Grade B23 Stud = M4 To M100
• SA 540 Grade B23 Nut = M2 To M80

A540 Grade B23 Bolts Head Types

• Round head
• Hex head
• Truss head
• Flat head
• Button head

A540 Grade B23 Bolts Neck Type

• Square Neck
• Knurled Neck
• Hex Neck
• Triangular Neck

SA 540 Grade B23 Bolts Threads Types

• UNF
• CBSF
• UN
• BSW

Grade B23 Class 1 Bolts Head Drive

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

Ends Types

• Rounded
• Sheared
• Flat or Saw cut
• Chamfered

ASTM A540 B23 Threaded Rod

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

A540 Grade B23 Class 1 Stud Bolts

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

A540M Grade B23 Class 2 Screw

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

SA 540 Grade B23 CL 3 Washers

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

Manufacturing Method

• CNC Machine
• Cold forging
• Hot forging

Advantages

• High Temperature Situations
• Good Corrosion Resistance
• Multiple Tensile Class

Inspection & Testing

• Proof Load Test
• Stress Rupture Testing
• PMI Test

Installations

• Heavy Engineering
• Nuclear Industry
• Petrochemical

Types Of Packaging

• Custom
• Carton Box
• Wooden Cases

Origin of Raw Material

• German
• Janpanese
• European

• P (Phosphorus) = 0.025% (Max.)
• C (Carbon) = 0.37 - 0.44%
• Si (Silicon) = 0.15 - 0.35%
• Mn (Manganese) = 0.60 - 0.95%

• S (Sulfur) = 0.025% (Max.)
• Cr (Chromium) = 0.65 - 0.95%
• Ni (Nickel) = 1.55 - 2.00%
• Mo (Molybdenum) = 0.20 - 0.30%