ASTM A320 Grade B8

Size In Ready Stock

• ASTM A320 Grade B8 Bolts : M1.2 To M120
• ASME SA320 Grade B8 Washer = M2 To M24
• A320 Gr B8 Stud = M4 To M100
• A320 Grade B8 Nut = M2 To M80
• Grade B8 Screw = M1.2 To M48

Head Types of A320 B8 Bolts

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

Neck Type of ASTM A193 Grade B8 Bolts

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

Threads Types of A193 Grade B8 Bolts

• UN
• BSW
• UNF
• CBSF

A320 B8 Class 2 Bolts Head Drive

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

Ends Types

• Chamfered
• Rounded
• Sheared
• Flat or Saw cut

ASTM A320 B8 Class 2 Threaded Rod

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

A320 Grade B8 Class 1 Stud Bolt

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

ASTM A320 Gr B8M Screw

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

ASTM A320 Grade B8M Class 2 Washers

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

Process Method

• CNC Machine
• Cold forging
• Hot forging

Advantages

• Good Weldability
• High Tensile Strength
• Low Carbon Content

Testing Methods

• Proof Load Testing
• Macro etch Test
• Stress Rupture Test

Installations

• Marine
• Automobile
• Petrochemical

Types Of Packaging

• Custom
• Carton Box
• Wooden Cases

Origin of Raw Material

• German
• Janpanese
• European

• Mn (Manganese) = 2.0% (Maximum)
• P (Phosphorus) = 0.045%
• C (Carbon) = 0.08% (Maximum)
• Si (Silicon) = 0.75% (Maximum)

• Ni (Nickel) = 8.0 To 10.5%
• N (Nitrogen) = 0.10%
• S (Sulfur) = 0.030%
• Cr (Chromium) = 18.0 To 20.0%

• Manganese (Mn) = 2.0% (Maximum)
• Phosphorus (P) = 0.045%
• Carbon (C) = 0.08% (Maximum)
• Silicon (Si) = 0.75% (Maximum)

• Nickel (Ni) = 10.0 To 14.0%
• Nitrogen (N) = 0%
• Sulfur (S) = 0.030%
• Chromium (Cr) = 16.0 To 19.0%