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Leading producer and supplier at Mumbai, the Fasteners Mart offers high-end industrial fasteners like ASTM A193 B8 CL4 Nuts. As being highly robust, durable in nature, as well as corrosive resistant in character, these nuts are ideally suited to sustain under high-temperature and pressure conditions. It produces the items with high accuracy in order to meet international standards so as to provide high-standard, reliable-based solutions to markets such as power generation, oil & gas, and petrochemicals. At The Fasteners Mart, we believe in providing excellent fastening solutions that meet your project requirements.
ASTM A193 B8 CL4 Nuts are produced using AISI 304 stainless steel, strain-hardened for added strength. Chemical make-up includes Chromium (18–20%), Nickel (8–12%), and minute amounts of Carbon, Manganese, Phosphorus, Sulfur, and Silicon. They offer superior corrosion resistance and mechanical strength. Principal mechanical properties are minimum tensile strength of 125 ksi (860 MPa), yield strength of 105 ksi (725 MPa), and good elongation and hardness. Designed for high-temperature, high-pressure service, B8 CL4 nuts are perfectly suited for severe-duty applications in hostile environments.
| ASTM A193 B8 CL4 Nuts | Manganese, max | Phosphorus, max | Sulfur, max | Silicon | Chromium |
|---|---|---|---|---|---|
| 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 |
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Material
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Specification
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Standards |
Size
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Length
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ASTM A194 B8 CL3 Nuts |
IS BS ASTM |
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160 |
3 mm to 200 mm |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
ASTM A193 B8 CL4 Nuts are widely used in high-stress, high-temperature, and corrosive environments due to their superior strength and corrosion resistance. Commonly found in industries such as oil and gas, petrochemical, power generation, and marine engineering, these nuts secure components in heat exchangers, pressure vessels, boilers, and piping systems. They are ideal for flange connections, valve assemblies, and structural joints exposed to extreme conditions. Their reliability under thermal stress and pressure makes them a preferred choice in both onshore and offshore environments. ASTM A193 B8 CL4 Nuts ensure safety, durability, and long-term performance in critical industrial applications.
At The Fasteners Mart, ASTM A193 B8 CL4 Nuts are rigorously tested and securely packaged to ensure quality and reliability. Each batch undergoes strict mechanical, chemical, and dimensional testing, including hardness, tensile strength, and corrosion resistance checks. Certified test reports are provided with every shipment. For packaging, we use durable materials such as wooden boxes, cartons, and poly bags with proper labeling to prevent damage during transit and ensure safe delivery to our clients worldwide.
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