ASTM A276 XM-19 Fasteners

ASTM A276 Type XM 19 is a material grade specification for cold-finished or hot-finished bars in XM 19 stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Boltport uses XM 19 bar stock to ASTM A276 specifications for manufacturing stainless steel XM 19 bolts, nuts, screws, studs, threaded rods, other fasteners and bar stock components for general engineering purposes.

ASTM A276 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for XM 19 stainless steel round bars, square bars, hexagon bars and other extruded shapes.

Chemical Composition

Grade Symbol UNS Number Elements Composition, %
Type XM 19 S20910 Carbon 0.06 max
Manganese 4.0 - 6.0
Phosphorus 0.045 max
Sulfur 0.030 max
Silicon 1.00 max
Chromium 20.5 - 23.5
Nickel 11.5 - 13.5
Molybdenum 1.50 - 3.00
Nitrogen 0.20 - 0.40
Columbiun 0.10 – 0.30

Vanadium

0.10 – 0.30

Mechanical Properties

Property Value
Finish Hot-Finished & Cold Finished
Tensile Strength, min, ksi [MPa] 100 [690]
Yield Strength, min, ksi [MPa] 55 [380]
Elongation in 2 in. [50mm] or 4D, min, % 35
Reduction or Area, min, % 55
Brinell Hardness Number, HBW ....

Fasteners

  • AISI 4140 Bolts
    Bolts
  • AISI 4140 Screws
    Screws
  • AISI 4140 Stud Bolts
    Studs
  • AISI 4140 Nuts
    Nuts
  • AISI 4140 Threaded Rods
    Threaded Rods
  • AISI 4140 Pins
    Pins
  • AISI 4140 Washers
    Washers
  • AISI 4140 Components
    Components