Engineered for critical industrial applications across oil & gas, offshore subsea, petrochemical, power generation, and marine engineering. Every alloy lot is fully certified to international standards with 100% material traceability.
At Stud Bolt India, material integrity is paramount. We manufacture industrial fasteners using premium-grade raw materials sourced from certified mills, ensuring compliance with strict mechanical, chemical, and corrosion-resistant parameters.
Whether your project requires sour service (NACE MR0175/ISO 15156) compliance, cryogenic notch toughness, or high-temperature creep strength up to 700°C, our metallurgical engineers ensure every stud bolt, nut, and screw meets exact project specifications.
100% Positive Material Identification (PMI) testing on alloy stocks, accompanied by EN 10204 3.1 chemical & mechanical test certificates.
Specialized alloys tailored for pitting resistance (PREN > 40), chloride stress corrosion cracking, and aggressive chemical processing environments.
Austenitic and martensitic stainless steel fasteners offering superior atmospheric corrosion resistance, hygienic purity, and elevated temperature strength.
Combines high mechanical yield strength with outstanding resistance to chloride stress-corrosion cracking for offshore oil platforms and chemical processing.
Designed for severe marine, subsea, and acidic environments. Features high resistance to pitting, crevice corrosion, and erosion fatigue.
Quenched and tempered high-strength chromium-molybdenum alloy fasteners formulated for high-pressure boilers, pressure vessels, and valves.
The industry benchmark for high-temperature, high-pressure flange bolting in refineries, chemical units, and energy infrastructure.
Chromium-molybdenum-vanadium alloy steel engineered for extreme steam turbine temperatures and thermal cycling applications up to 590°C.
Versatile carbon steel components for structural engineering, heavy machinery, automotive assembly, and general construction.
Non-magnetic nickel-chromium superalloys offering high strength and resistance to severe oxidation, carburization, and thermal degradation.
Precision-manufactured for heavy load-bearing structural joints requiring high proof load capability and dynamic fatigue endurance.
Economical low-carbon steel fasteners suitable for non-critical structural framing, light ductwork, and general maintenance hardware.
Exhibits exceptional resistance to rapidly flowing seawater, hydrofluoric acid, sulfuric acid, and strong alkaline solutions.
Ultralight, non-magnetic fasteners with outstanding immunity to sea water pitting, wet chlorine, and chemical oxidizers.
Nickel-molybdenum-chromium alloys formulated to withstand strong oxidizers, wet chlorine gas, ferric chloride, and active acids.
High-conductivity, corrosion-resistant copper-silicon alloy ideal for marine hardware, electrical switchgear, and sewage treatment plants.
A comprehensive technical overview comparing standards, temperature tolerances, corrosion performance, and common industrial applications.
| Material Family | Standard / Grade Specification | Operating Temp. Range | Corrosion Resistance | Primary Overseas Applications |
|---|---|---|---|---|
| Stainless Steel | ASTM A193 B8 (304), B8M (316), 317L, 904L | -196°C to +538°C | High (Atmospheric & Organic Acids) | Chemical Processing, Food & Beverage, Cryogenics |
| Duplex Steel | UNS S31803 / S32205, EN 1.4462, F51 | -50°C to +300°C | Very High (Pitting & SCC Resistant) | Offshore Platforms, Marine Heat Exchangers |
| Super Duplex | UNS S32750 (2507), S32760 (Zeron 100) | -50°C to +300°C | Extreme (PREN > 40, Seawater Immune) | Subsea Manifolds, Desalination Plants |
| High Tensile Alloy | ASTM A193 B7 / B16, ASTM A320 L7 | -101°C to +590°C | Moderate (Coating Recommended) | Refineries, High-Pressure Flanges, Boilers |
| Inconel Superalloys | Inconel 600, 625, 718, UNS N06625 | -200°C to +980°C | Superior Oxidation & Acid Resistance | Aerospace Turbines, Nuclear Reactors, Gas Flaring |
| Monel Alloys | Monel 400 (UNS N04400), Monel K-500 | Cryogenic to +480°C | Excellent in Hydrofluoric Acid & Brine | Marine Engineering, Valve Trim, Hydrocarbon Extraction |
| Hastelloy | Hastelloy C276, C22, B2 (UNS N10276) | -196°C to +1040°C | Maximum Resistance to Strong Acids | Flue Gas Desulfurization, Specialty Chemical Synthesis |
| Titanium Alloys | Titanium Grade 2, Grade 5 (Ti-6Al-4V) | Cryogenic to +400°C | Near Total Immunity to Chlorine & Saltwater | Marine Hardware, Aerospace Structures, Chlor-Alkali Plants |
Our metallurgical team assists global procurement officers and project engineers in selecting the optimum fastener alloy for your operating conditions. Instant quotes with full test certification.