China manufacturer of PTFE Xylan 1424 Coated Fully Threaded Studs A193 B7

What is Fully Threaded Stud bolt?

Stud bolts, also known as  threaded rods, Stud bolts for flanges are the bolting material or fastener used to tighten the flange joint connection.The fully threaded studs have no head, are threaded along their entire length, and have a higher tensile strength.

Specifications of Fully Threaded Stud Bolt A193 B7

  1. Material Specification:
    •  ASTM A193 Grade B7 compositon and Mechanical Property
    • Type Ferritic Steels
      Description Chromium-Molybdenum
      Standards JIS SNB7 Product variation, Over or Under
      AISI 4140.4142.4145
      ASTM A193 B7
      Chemical Composition (%) Carbon (C) 0.38~0.48 0.02
      Silicon (Si) 0.20~00.35 0.04
      Manganese (Mn) 0.75~1.00 0.005 over
      Phosphorus (P) 0.040 max 0.005 over
      Sulfur (S) 0.040 max 0.02
      Chromium (Cr) 0.80~1.10 0.05
      Molybdenum (Mo) 0.15~0.25 0.02
      Yield Strength (ksi) t≤2-1/2″ 105 (725 MPa)
      2-1/2＜t≤4″ 95 (655 MPa)
      t＞4″ 75 (520 MPa)
      Tensile Strength (ksi) t≤2-1/2″ 125 (860 MPa)
      2-1/2＜t≤4″ 115 (800 MPa)
      t＞4″ 100 (690 MPa)
  2. Thread Type and Dimensions:
    • Threaded Ends: Both ends of the stud bolt are fully threaded for engagement with nuts or threaded holes.
    • Thread Standards: Unified National Coarse (UNC), Unified National Fine (UNF), or metric threads as per applicable standards (e.g., ASME B1.1, ISO metric threads).
  3. Length and Diameter:
    • Diameter Range: Typically ranges from 1/4 inch (M6) to 4 inches (M100)
    • Length: Available in various lengths depending on the application requirements, often specified in inches or millimeters.
  4. Surface Finish and Coatings:
    • Surface Finish: Plain (black), zinc-plated, hot-dip galvanized,Zinc-Nickel plating
    • Coatings: PTFE Coating,Xylan 1070,Xylan 1424 coating

About Xylan 1424 Coating

Xylan 1424 series coating is a high performance, waterbourne, VOC compliant material that is resin-bonded, thermally cured, single film dry lubricant. It is excellent at protecting against chemicals, corrosive agents, extreme weather, and abrasives.

Xylan 1424: Waterborne/VOC-compliant, highly corrosion-resistant, dry-film lubricant designed for use on any mating surface requiring lubrication.

Xylan 1424 Coated fully Threaded Stud Bolt A193 B7 are pivotal in applications that demand high resistance to corrosion, reduced friction, and durability in extreme environments.

PTFE Coated stud bolt order specification:

Product Name: Blue PTFE Coated Stud Bolt
Standard: ANSI B18.31.2
Material: Alloy Steel ASTM A193 Grade B7
Thread: 8 UN
Size: 1-1/8 Inch
Length: 230 MM
Surface Coating: Blue PTFE XYLAN 1424
Application: Fully Threaded Stud Bolt for Flanges, Joints and Valves Installation