ASTM A193 Grade B16 Fasteners manufacturer & Suppliers
Unifit Fastener is a trusted stockist of alloy steel ASTM A193 Grade B16 fasteners. We supply high quality bolts, nuts, screws and B16 studs. These are made from premium steel and tested carefully to meet industry standards.
What makes them stand out is their good corrosion resistance and consistent thickness. They also come at a fair price. Because of these qualities B16 fasteners are used widely in industries where strength and reliability matter most. The high chromium content in B16 bolts helps them perform well even in tough environments. They can resist corrosion in boiling nitric acid solutions up to 70 percent.
You will often find ASTM A193 B16 fasteners specified, indeed strongly recommended, for deployment in operational settings that impose superior demands on mechanical properties and overall resilience. This suitability encompasses reliable, predictable performance even during high-temperature manufacturing processes like forging, where temperatures can cycle from as high as 1150°C down to 800°C. Such thermal endurance is a clear testament to their excellent inherent durability when these components are called upon to face extreme service conditions.
Alloy Steel B16 Hex Bolts, ASTM A193 B16, ASTM A194 Grade 7, Alloy Steel Grade, AS B16 Nuts Exporter, ASTM A193 Alloy Steel B16 Screws Manufacturer, Alloy Steel B16 Fasteners Manufacturer in Mumbai, ASTM A193 Grade B16, Alloy Steel Bolts, Alloy Steel B16 Stud Bolts Dealer in Mumbai, AS B16 Industrial Fasteners.
Request QuoteTable of Contents
- What is ASTM A193 Grade B16?
- Key Properties of ASTM A193 Gr B16 Fasteners Include
- Types of ASTM A193 B16 Fasteners
- ASTM A193 B16 Material Chemical Composition
- ASTM A193 Grade B16 Fasteners Equivalent Grades
- ASTM A193 Gr B16 Fasteners Raw Material
- Specification of ASTM A193 Grade B16 Fasteners
- ASTM A193 Grade B16 Mechanical Properties of Fasteners
- ASTM A193 Gr B16 Fasteners Standards
- Applications of ASTM A193 Grade B16 Fasteners
- ASTM A193 Grade B16 Price in India for Fasteners
- FAQ’s About ASTM A193 Gr B16 Fasteners
What is ASTM A193 Grade B16?
ASTM a193 Gr B16 Specification for alloy steel fasteners used in high-pressure and high-temperature.This includes items like bolts studs nuts and screws that are expected to perform under tough conditions such as in power plants refineries or chemical processing setups.It is widely trusted because of its ability to maintain strength stability and resistance in places where other materials might crack wear or corrode over time. The a193 b16 material itself is made from alloy steel that contains a mix of chromium molybdenum and vanadium. Each of these elements adds something important: Chromium improves corrosion resistance, molybdenum helps with strength at high temperatures and vanadium contributes to durability and hardness.
The material is not just mixed and formed It goes through a heat treatment process which includes forging at controlled temperatures. This step is critical because it changes the inner structure of the metal making it stronger and more suitable for the kinds of environments it’s meant for. One standout feature of ASTM A193 B16 fasteners is how well they hold up in chemical environments Especially where the metal might come into contact with substances like boiling nitric acid even at concentrations up to 70 percent these fasteners maintain their integrity and do not easily degrade This makes them ideal for industrial operations where harsh chemicals are part of the daily process
B16 Steel Bar, A193 Grade B16 Flat Washers, ASTM A194 Grade 7 Nuts, ASTM A193 Grade B16 Split Lock Washers, A194 Gr 7, B16 Steel, ASTM A193 Gr B16 Material Composition.
Send Your Enquiry
Key Properties of ASTM A193 Gr B16 Fasteners Include:
- Chemical Composition: The a193 b16 chemical composition is what gives the material its strength and corrosion resistance It includes chromium cr molybdenum mo and vanadium v These three elements together improve not just surface protection but also internal hardness and heat tolerance This mix ensures the fasteners can be used in extreme conditions without early failure or wear
- Mechanical Properties: One of the main reasons engineers choose ASTM A193 B16 is because of its mechanical strength The material shows high tensile and yield strength making it capable of withstanding heavy loads and continuous stress It is often used in industries where equipment needs to be secure reliable and durable such as oil rigs power stations and pressure vessels The astm a193 b16 mechanical properties are not just numbers on paper but something that actually matters during real operation
- Heat Treatment: Before being used the material goes through heat treatment which involves forging it between 1150c and 800c This process is important for refining the grain structure inside the metal and making sure the strength is distributed evenly across the fastener Without proper heat treatment the performance of the product can vary a lot but with this process the quality becomes consistent and dependable processing is a vital step, specifically aimed at optimizing the material's microstructure and, therefore, achieving its peak mechanical properties for demanding service.
Types of ASTM A193 B16 Fasteners
The spectrum of ASTM A193 Gr B16 fasteners offered to industry is commendably broad, a variety intentionally designed to effectively accommodate the truly diverse, and often highly stringent, functional requirements presented by a multitude of different industrial applications and equipment designs. These specialized fasteners are purposefully engineered, from material selection through to final manufacturing, with the primary objective of delivering peak, unwavering performance, even when they are operating under the most severe and challenging conditions imaginable – one might think of systems involving exceptionally high internal or external pressures, significantly elevated continuous or cycling temperatures, and ambient or process atmospheres that are inherently corrosive. Among the principal forms that engineers and procurement specialists will regularly encounter are:
- ASTM A193 B16 Structural Bolts
- ASTM A193 B16 Heavy Hex Bolts
- ASTM A193 B16 Hex Bolts
- ASTM A193 B16 Hexagon Head Bolts
- ASTM A193 B16 Machine Bolts
- ASTM A193 Grade B16 T Bolts
- ASTM A193 Gr. B16 Eye Bolt
- ASTM A193 B16 Foundation Bolts
- Alloy Steel A193 Gr B16 J Bolts
- ASTM A193 B16 Button Head Bolt
- ASTM A193 B16 Anchor Bolts
- ASTM A193 B16 Long Bolts
- ASTM A193 B16 Carriage Bolt
- ASTM A193 B16 Elevator Bolt
- ASTM A193 B16 Timber Bolts
- ASTM A193 B16 Square Bolt
- ASTM A193 B16 Metric Bolt
- ASTM A193 B16 Plow Bolts
- Alloy Steel Gr. B16 U Bolts
- ASTM A193 B16 Flange Bolts
- ASTM A193 B16 Socket Set Screw
- ASTM A193 B16 Self Drilling Screw
- ASTM A193 B16 Socket Head Cap Screw
- ASTM A193 B16 Hex Head Screws
- ASTM A193 B16 Wood Screw
- ASTM A193 Gr. B16 Eye Screw
- ASTM A193 Gr. B16 Wing Screw
- ASTM A193 B16 Self Tapping Screws
- ASTM A193 Gr. B16 Roofing Screw
- ASTM A193 B16 Phillips Head Screw
- ASTM A193 B16 Decking Screw
- ASTM A193 B16 Machine Screw
- ASTM A193 B16 Thumb Screw
- ASTM A193 B16 Drywall Screws
- ASTM A193 B16 Chipboard Screw
- ASTM A193 B16 Metric Set Screws
- Alloy Steel B16 Sems Screw
- ASTM A193 B16 Thread Rolling Screw
- ASTM A193 B16 Full Threaded Stud Bolts
- ASTM A193 B16 Half Threaded Stud Bolts
- Alloy Steel ASTM A193 B16 Threaded Rod
- ASTM A193 B16 Double Ended Studs
- ASTM A193 B16 Tap End Stud Bolt
- Alloy Steel ASTM A193 B16 Tie Rods
- Alloy Steel A193 Grade B16 Studs
- ASTM A193 B16 Single End Stud Bolts
- A193 Gr.B16 Reduced Shank Stud Bolt
- A193 B16 Continuous Threaded Stud Bolt
- A193 B16 Partial Threads Stud Bolt
- SA193 / A193 B16 Heavy Stud Bolts
Unifit Fastener operates with pride as a prominent manufacturer and consistently reliable supplier encompassing all common varieties, and indeed many specialized configurations, of ASTM A193 B16 fasteners. Our unwavering operational focus is dedicated to delivering products of unparalleled quality and exacting dimensional precision, specifically engineered to meet and often exceed your most demanding and critical industrial fastening requirements.
ASTM A193 B16 Material Chemical Composition
ASTM A193 Gr B16 fasteners are a combination of chromium, molybdenum, and vanadium to give it resistance to corrosion, high-temperature strength, and toughness. This composition is suitable in the power plants, refineries and high-pressure systems where durability is required.
| Element | Content Range |
|---|---|
| Carbon (C) | 0.36 - 0.47% |
| Manganese (Mn) | 0.45 - 0.70% |
| Phosphorus (P) | 0.035% max |
| Sulfur (S) | 0.040% max |
| Silicon (Si) | 0.15 - 0.35% |
| Chromium (Cr) | 0.80 - 1.15% |
| Molybdenum (Mo) | 0.50 - 0.65% |
| Vanadium (V) | 0.25 - 0.35% |
| Aluminum (Al) | 0.015% max |
ASTM A193 Grade B16 Fasteners Equivalent Grades
This comparison table assists both engineers and buyers to find equivalent material on a global material on ASTM A193 B16 fasteners so that compatible fasteners can be found when sourcing materials under other international standards and specifications.
ASTM A193 Gr B16 Fasteners Raw Material
| Grade | Raw Material Description |
|---|---|
| ASTM A193 B16 | Chromium-Molybdenum-Vanadium Alloy Steel, Quenched & Tempered |
Specification of ASTM A193 Grade B16 Fasteners
These are ASTM A193 Grade B16 fasteners that are produced according to ASTM A193 / ASME SA193 standards, and they come in lengths ranging between 3 mm and 200 mm. The sizes are 3/6 inch to 2 inch and M3 to M56, where the custom sizes are provided according to the requirements of the project.
| Specification | Details |
|---|---|
| Specifications | ASTM A193 / ASME SA193 |
| Length | 3mm to 200mm |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
ASTM A193 Grade B16 Mechanical Properties of Fasteners
ASTM A193 B16 fasteners possess mechanical properties that guarantee the strength, durability and dependable work in high-stress and high-temperature conditions. These are the qualities that make B16 a reliable product in terms of safety-critical and heavy-duty industrial applications.
| Mechanical Properties | Specification (for sizes over M64 to M100) | Specification (for sizes over M100 to M180) |
|---|---|---|
| Tensile Strength (minimum) | 760 MPa | 690 MPa |
| Yield Strength (minimum) | 655 MPa | 585 MPa |
| Elongation (minimum) | 17% | 16% |
| Reduction (minimum) | 45% | 45% |
| Hardness (maximum) | 321 HBW or 35 HRC | 321 HBW or 35 HRC |
ASTM A193 Gr B16 Fasteners Standards
ASTM A193 Gr B16 fasteners are produced according to international standards in order to be safe, strong, and reliable during high-temperature and high-stress environments. The major standards that are observed in certification and production are as shown below.
| Hexagon Bolt / Set Screws | Stud Bolt | Hexagon Nuts | Socket Cap screws |
|---|---|---|---|
| DIN 931 | BS4882 | DIN 934 | DIN 912 |
| DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
| BS 1768 | BS 1769 | DIN 7984 | |
| UNI 5731 | BS 1083 | ANSI B18.3 | |
| UNI 5739 | BS 3692 | ISO 4762 | |
| ISO 4014 | ISO 4032 | UNI 5931 | |
| ISO 4017 | ISO 4033 | BS 2470 | |
| BS 1769 | ANSI B18.2.2 | BS 4168 | |
| BS 3692 | |||
| ANSI B18.2.1 |
| Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
|---|---|---|---|
| DIN 913 | DIN 963 | DIN 938 | DIN 125 |
| DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
Applications of ASTM A193 Grade B16 Fasteners
It is chiefly due to their inherent material durability, a characteristic robustly complemented by their proven and steadfast resistance to the degrading influences of both sustained high heat and various forms of corrosive chemical attack, that A193 B16 bolts and their equally capable stud counterparts are extensively and confidently employed across a truly multitude of diverse and demanding industrial sectors. Their consistent and reliable performance under often severe operational pressures makes them a frequently specified and highly trusted component in numerous critical applications, which comprehensively include (but are not limited to) the following representative fields:
- Heavy Engineering Industries (e.g., large-scale machinery, industrial presses)
- Petrochemical Industries (e.g., refining equipment, chemical reactors)
- Shipbuilding Industries (e.g., marine propulsion systems, onboard piping)
- Fertilizer Plants (e.g., high-pressure synthesis loops)
- Civil Construction Industries (e.g., specialized structural steelwork connections)
- Power Generation Units (Across Nuclear, Hydroelectric, or Thermal plants for turbines, boilers)
- General Civil Industries (Wherever exceptionally high strength and reliability are paramount)
- Oil Expansion Projects (e.g., pipeline flanges, pumping station equipment)
- Offshore & Onshore Oil Towers (e.g., structural bolting, critical equipment fastening)
- Valves and Pressure Vessels (Essential for flanged joints, high-pressure closures)
- Home Fittings (Typically less common, but possible in very specialized high-stress scenarios)
- Pumps and Pumping Systems (For securing high-pressure casings and critical mountings)
- Railway Infrastructure (In high-stress track components or specialized rolling stock)
- Steel Plants (Within high-temperature furnace areas or on heavy-duty mill equipment)
ASTM A193 Grade B16 Price in India for Fasteners
Looking for high quality ASTM A193 Grade B16 fasteners at a price that fits your budget? At Unifit Fastener we offer competitive rates across our full range of B16 fasteners without compromising on quality or performance.
We know how important it is to get dependable fasteners for demanding applications. That’s why our B16 bolts nuts screws and studs are made from top grade alloy steel and built to perform in high pressure and high temperature environments. These fasteners are widely used in industries like oil and gas petrochemicals power generation and heavy engineering.
To get current pricing or a custom quote just fill out the inquiry form below. We’ll respond quickly with accurate details based on your needs and project scope
Request QuoteFAQ’s About ASTM A193 Gr B16 Fasteners
What is ASTM A193 GR B16 material?
ASTM A193 Grade B16 is an alloy steel material enhanced with chromium, molybdenum, and vanadium for high strength, corrosion resistance, and improved performance at elevated temperatures. It is commonly used for fasteners in power plants, refineries, and high-pressure systems.
What is the difference between ASTM A193 B7 and B16?
ASTM A193 B7 is a chromium-molybdenum steel used mainly for medium-temperature applications, while ASTM A193 B16 includes chromium, molybdenum, and vanadium, giving it higher strength and better performance at elevated temperatures. B16 fasteners are preferred for more demanding thermal and pressure conditions.
What is ASTM A193 B16 material equivalent to?
ASTM A193 B16 fasteners has equivalent grades across different standards, typically matching alloy steel grades with similar chemical composition and mechanical properties. Equivalent materials may vary by region, but they are selected to meet the same strength and temperature requirements.