AISI 1040 Fasteners

AISI 4130 Bolts

BoltPort is a manufacturer & supplier of Carbon steel AISI 1040 Fasteners for general purpose bolting. AISI 1040 fasteners includes bolts, screws, stud bolts (studs), threaded rods, nuts, washers and custom fastening parts. These carbon steel fasteners are produced with complete metric and imperial size range with ISO, Unified UN, UNC, UNF, UNEF, BSW & BSF thread profiles. AISI 1040 boltings are produced by hot forming and machining to size.

Hex bolts, heavy hex bolts, stud bolts, threaded rods, double end studs, nuts, socket head cap screw, set screws and custom components are common products in AISI 1040 fasteners.

About AISI 1040

AISI 1040 carbon steel has high carbon content and can be hardened by heat treatment followed by quenching and tempering to achieve 150 to 250 ksi tensile strength.

AISI 1040 Properties

Chemical Composition

  • Carbon C 0.37 - 0.44 %
  • Iron Fe Balance
  • Manganese Mn 0.40 - 0.60 %
  • Sulphur S <0.05 % max
  • Phosphorus P <0.04 % max

Mechanical Properties

  • Tensile Strength : 620 MPa
  • Yield Strength : 415 MPa
  • Elongation at Break : 25 %
  • Hardness, Brinell BHN : 93

AISI 1040 Grade Equivalent

AISI Grade European Name UNS Designation DIN
1040 EN8 G10400 CK45

AISI 1040 Fastening Products

AISI 1040 Specifications

Specifications Material Form Products
ASTM A29 AISI 1040/UNS G10400 Bars and Rods Bolts, Screws, Stud Bolts, Nuts, Bar Components
ASTM A108 AISI 1040/UNS G10400 Bars and Rods Bolts, Screws, Stud Bolts, Nuts, Bar Components
ASTM A510 AISI 1040/UNS G10400 Wire Rods Bolts and Screws
ASTM A544 AISI 1040/UNS G10400 Wire Rod Nuts (Withdrawn)
ASTM A545 AISI 1040/UNS G10400 Wire Rod Screws (Withdrawn)
ASTM A548 AISI 1040/UNS G10400 Wire Rod Sheet Metal Screws (Withdrawn)
ASTM A549 AISI 1040/UNS G10400 Wire Rod Wood Screws
ASTM A635 AISI 1040/UNS G10400 Plate, Sheet, Strips Washers & Sheet Metal Components
ASTM A659 AISI 1040/UNS G10400 Plate, Sheet, Strips Washers & Sheet Metal Components
ASTM A794 AISI 1040/UNS G10400 Plate, Sheet, Strips Washers & Sheet Metal Components

Page Keywords

Alloy Steel, AISI 1040, Fasteners, Bolts, Screws, Stud Bolts, Threaded Rods, Nuts, Washers, Dowel Pins, Custom Bolting, Components, UNS G10400, CK45, EN8