ASTM A193 GR B8M CL 2 Bolts, ASTM A193 GR B8M CL 2 Stud Bolts, Heavy Hex Bolts & B8M CL 2 Bolting Supplier in Mumbai, India
Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of ASTM A193 GR B8M CL 2 Bolts in Mumbai, India, supplying stainless steel bolting components for pressure equipment, piping systems, valves, flanges and industrial assemblies. These fasteners are manufactured from molybdenum-bearing austenitic stainless steel and are selected for applications requiring corrosion resistance along with dependable performance under pressure and temperature. We supply different diameters, lengths, thread forms and configurations for standard as well as customized requirements.
ASTM A193 GR B8M CL 2 Bolts are strain-hardened stainless steel fasteners designed to provide enhanced mechanical strength compared with solution-treated B8M Class 1 bolting. Their molybdenum-containing stainless steel construction offers good resistance to pitting and localized corrosion, particularly in environments containing moisture and chlorides. These bolts are commonly used in flanged joints and pressure-containing assemblies where a combination of higher strength and corrosion resistance is required.
ASTM A193 GR B8M CL 2 Bolts, ASTM A193 GR B8M CL 2 Stud Bolts, Heavy Hex Bolts & B8M CL 2 Bolting Manufacturer and Supplier in Mumbai, India
These fasteners are suitable for oil and gas installations, chemical processing equipment, marine systems, refineries, petrochemical plants, power-generation facilities, pressure vessels and industrial piping networks. Their corrosion-resistant characteristics make them useful for demanding service conditions involving moisture, chloride exposure and aggressive process environments.
At Unifit Metal Alloys, we supply ASTM A193 GR B8M CL 2 Bolts in various sizes, lengths, thread configurations and finishes according to customer specifications. We cater to maintenance requirements, fabrication work, bulk orders and industrial projects.
Get the Best Quote for ASTM A193 GR B8M CL 2 Bolts. We Stock ASTM A193 GR B8M CL 2 Bolts in Various Diameters, Lengths, Thread Sizes, Specifications and Surface Finishes. Contact Us Today for a Competitive Quote.
ASTM A193 GR B8M CL 2 Bolts Material Specifications
| Material Type | Molybdenum-Alloyed Austenitic Stainless Steel (Strain-Hardened) |
|---|---|
| UNS Number | S31600 |
| Corresponding Nut Grade | ASTM A194 Grade 8M |
| Density | 8.00 g/cm³ (8,000 kg/m³) |
| Service Temperature Limit | Up to 815°C (1500°F) – Clamping strength diminishes at elevated temps |
| Magnetic Permeability | Weakly Magnetic (Induced by severe cold-working/strain-hardening) |
| Pitting Resistance (PREN) | 23.0 – 28.5 (Highly resistant to chloride attack) |
Chemical Composition for ASTM A193 GR B8M CL 2 Bolts
| Grade | C (Max) | Cr | Ni | Mo (Molybdenum) | Mn (Max) | Si (Max) | P / S (Max) |
|---|---|---|---|---|---|---|---|
| B8M (S31600) | 0.08% | 16.0 – 18.0% | 10.0 – 14.0% | 2.00 – 3.00% | 2.00% | 1.00% | 0.045% / 0.030% |
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Mechanical Properties of ASTM A193 GR B8M CL 2 Bolts
| Diameter Size Range | Tensile Strength (Min) | Yield Strength (0.2% Offset) | Elongation (in 4D) | Reduction of Area | Max Hardness |
|---|---|---|---|---|---|
| Up to 3/4″ inclusive | 110,000 psi (760 MPa) | 95,000 psi (655 MPa) | 15% Min | 45% Min | 35 HRC (321 HBW) |
| Over 3/4″ to 1″ inclusive | 100,000 psi (690 MPa) | 80,000 psi (550 MPa) | 20% Min | 45% Min | 35 HRC (321 HBW) |
| Over 1″ to 1-1/4″ inclusive | 95,000 psi (655 MPa) | 65,000 psi (450 MPa) | 25% Min | 45% Min | 35 HRC (321 HBW) |
| Over 1-1/4″ to 1-1/2″ inclusive | 90,000 psi (620 MPa) | 50,000 psi (345 MPa) | 30% Min | 45% Min | 35 HRC (321 HBW) |
Ready Stock of ASTM A193 GR B8M CL 2 Bolts
ASTM A193 GR B8M CL 2 Bolts Application Industries
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