China manufacturer and exporter of  PTFE Xylan 1070 coated ASTM A193 B8 CL.2 Stud Bolt

What is a Xylan 1070 coated ASTM A193 B8 CL.2 Stud Bolt?

Xylan 1070 coated ASTM A193 B8 CL.2 stud bolts are high-performance fasteners manufactured from austenitic stainless steel (304 grade) with a strain-hardened process for enhanced mechanical properties. These bolts are coated with Xylan 1070, a specialized fluoropolymer-based coating, to improve corrosion resistance, chemical resistance, and durability in extreme environments.

ASTM A193 B8 CL.2 Stud Bolts are high-strength, corrosion-resistant fasteners specifically designed for high-temperature and high-pressure applications. Manufactured from 304 stainless steel and strain-hardened to meet Class 2 specifications, these stud bolts are widely used in industries such as oil & gas, chemical processing, power generation, and petrochemical.

Specifications of Xylan 1070 Coated ASTM A193 B8 CL.2 Stud Bolts:

  • Standards: ASTM A193 B8 CL.2 for stud bolts and ASTM A194  grade 8 Hex nuts.
  • Threads: Available in UNC, UNF, and metric thread sizes.
  • Coating Thickness: Typically 20-30 microns to ensure consistent protection.
  • Temperature Range: Withstands temperatures up to 250°C (482°F).
  • Size range:1/4 to 4in or M6 to M100

ASTM A193 B8 CL.2  chemical composition

Element Composition (% by weight)
Carbon (C) ≤ 0.08
Manganese (Mn) ≤ 2.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.030
Silicon (Si) ≤ 1.00
Chromium (Cr) 18.00 – 20.00
Nickel (Ni) 8.00 – 11.00
Nitrogen (N) ≤ 0.10

ASTM A193 B8 Mechanical Properties

The mechanical properties of ASTM A193 B8 CL.2 reflect its strain-hardened condition:

Property Requirement
Tensile Strength ≥ 100 ksi (690 MPa)
Yield Strength (0.2% offset) ≥ 75 ksi (515 MPa)
Elongation in 2″ (50 mm) ≥ 12%
Reduction of Area ≥ 35%

Hardness of ASTM A193 B8 CL.2 

The hardness range for ASTM A193 B8 CL.2 is specified to ensure durability and reliability:

Hardness Value
Rockwell Hardness (C) ≤ 35 HRC
Brinell Hardness (HBW) ~241-321 HBW (typical)

 

FAQs about Xylan 1070 Coated ASTM A193 B8 CL.2 Stud Bolts:

  1. What is the lifespan of Xylan 1070 coated bolts?
    • The coating significantly extends the lifespan of bolts, especially in corrosive environments.
  2. Can Xylan 1070 bolts withstand saltwater exposure?
    • Yes, Xylan 1070 provides excellent resistance to saltwater and marine conditions

You may also look for

  • Xylan 1070 Coated Stud Bolt Manufacturer
  • ASTM A193 B8 CL.2 Stud Bolt Supplier
  • Xylan 1070 Bolt for Oil and Gas Industry
  • Corrosion-Resistant Stud Bolts
  • Xylan 1070 Coated Fasteners for Marine Applications

Where to buy the Xylan 1070 Coated ASTM A193 B8 CL.2 Stud Bolts.

Name: ASME A193 B8 CL.2 Fastener
Size: 1/2 Inch
Coating: XYLAN 1070
Color: Blue
Length: 65MM
Material: ASTM A193 B8 CL2, A194 GR.8
Standard: ASME B18.31.2/B18.2.2
Note: One bolt with two Heavy Hex Nuts