317L Round Bar

ASTM A193 B 16  | ASTM A193 Chromium Molybdenum B16 Stud Bolts Stockist | ASTM A193 B16 Chrome Moly Steel Stud Bolts Exporters | A193 Cr-Mo B16 Stud Bolts | ASME SA193 B16 Alloy Steel Stud Bolts | ASTM A193 CrMo B16 Stud Bolts | ASTM A193 B16 Alloy Steel Stud Bolts Manufactures | ASTM A193 Alloy Steel Grade B16 Stud Bolts Distributors | ASTM A193 Alloy Steel B16 Industrial Stud Bolts

Alloy Steel B16 Nuts, B16 Alloy Steel Bolt, Alloy Steel B16 Dome nuts, ASTM A193 Alloy Steel Nut, B16 Alloy Steel Shoulder Nuts Suppliers, and Exporters World Wide.

Detailed Information:

RatnaExporter.com is one of the well-known stockists of Alloy Steel ASTM A193 Grade B16 Fasteners fabricated from high-grade steel and tested against various quality standards. An alloy steel ASTM A193 Grade B16 Nut’s features are that it is corrosion-resistant, has a precise thickness, and is priced competitively. The high chromium content of Alloy Steel ASTM A193 Grade B16 Bolts has excellent resistance to boiling nitric acid solutions with a concentration of less than 70 percent due to its high chromium content. The recommended working and heat treatment parameters for Alloy Steel ASTM A193, Grade B16 Screws, are forging at 1150 – 800 degrees Celsius to achieve maximum hardness.

Alloy Steel ASTM A193 Grade B16 Washers are usually not recommended when nitric acid solutions contain species since they are much more oxidizing than standard chemical solutions. You should never use oleaginous bolts or temperature-indicating crayons to mark the welding seam zone with Alloy Steel ASTM A193 Grade B16 Hex Head Bolts within the welding seam zone.

We studied the microstructures of coatings on Alloy Steel ASTM A193 Grade B16 Hex Head Nuts with and without addition to understand what was causing the observed phenomena. The ASTM A193 Grade B16 Hex Head Screws with a low carbon content are preferred to improve the flexibility of the steel or if heavy sections need to be welded. At the same time, another variant contains a higher nitrogen content to compensate for the lower carbon content.

Astm A194 B16 Specifications


Grade ASTM A194  B16
Specification ASTM A 193 ASME SA 193
Standard DIN, ASTM, BS, and all International Standards
Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length 3 mm to 200 mm
Form Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolts, Hex Bolts, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts.
Application Most commonly used in petroleum refineries, Boilers, Heat exchangers, Condensers, Pipelines, Cooling towers, Steam exhausts, and Electric generation plants, On occasion, will be found in fertilizer and chemical plants.


ASTM A193 B16 Chemical Composition



Mn, max

P, max

S, max






0.36 – 0.47

0.45 – 0.70

0.035 max

0.040 max

0.15 – 0.35

0.80 – 1.15

0.05 – 0.65

0.25 – 0.35

0.015 max


ASTM A193 B16 Mechanical Properties




Tensile Strength, Min

Yield Strength, Min

Elongation, Min

Reduction, Min

Hardness, Max

Grade B16

Over M64 to M100

760 MPa

655 MPa

17 %

45 %

321 HBW or 35 HRC

Over M100 to M180

690 MPa

585 MPa

16 %

45 %

321 HBW or 35 HRC

ASTM A193 B16 Standards


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


What are Grade B16 Fasteners?

The ASTM A193 Grade B16 Fasteners comprise a chemical composition of chromium, molybdenum, and vanadium. These fasteners are primarily used in applications where the environment is bound with high temperature or high pressure. These fasteners are produced with the help of heat treatment.

The chromium content in the alloy improves the durability of these fasteners. At the same time, vanadium helps these fasteners to stay stronger even at highly elevated temperatures. These fasteners also have different characteristics, such as Withstanding high volumes, flexibility, long life, unprecedented scale precision, high strength, corrosion resistance, suitable surface finishes, etc.

Ratnaexports.com is renowned for producing high-quality ASTM A193 Grade B16 Fasteners. They follow all rules, regulations, industry standards, and guidelines to produce a high-quality product.

The mechanical and physical properties of the A193 B16 Material standard contain strength properties ranging from 100 to 125 Ksi and elongation ranging from 16 to 18 percent. These fasteners undergo a series of tests to test and improve their quality. If the client desires, these fasteners can be treated to increase their corrosion resistance.

Types of ASTM A193 B16 Fasteners

ASTM A193 B16 Bolts

  • 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 Screw

  • 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 Stud Bolt

  • 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

Countries We Export:

Afghanistan, Albania, Algeria, Andorra, Angola, Antigua-Barbuda Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia-Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina-Faso, Burundi, Côte d’Ivoire, Cabo Verde, Cambodia, Cameroon, Canada, Central African Republic, Chad, Chile, China, Colombia, Comoros, Congo (Congo-Brazzaville), Costa-Rica, Croatia, Cuba, Cyprus, Czechia (Czech Republic), Democratic Republic of the Congo, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Eswatini (fmr. “Swaziland”), Ethiopia, Fiji, Finland, France, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Holy See, Honduras, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar (formerly Burma), Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, North Korea, North Macedonia, Norway, Oman, Pakistan, Palau, Palestine-State, Panama, Papua, New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Korea, South Sudan, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Syria, Tajikistan, Tanzania, Thailand, Timor-Leste, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, United Arab Emirates, United Kingdom, United States of America, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zambia, Zimbabwe.

Cities We Supply:

London, New-York, Paris, Moscow, Tokyo, Dubai, Singapore, Barcelona, Los-Angeles, Madrid Rome, Chicago, Toronto, San-Francisco, Abu-Dhabi, St-Petersburg, Amsterdam, Berlin Prague, Washington,Istanbul, Las-Vegas, Doha, Seoul, Sydney, Beijing,  Miami, Munich, Milan, San-Diego, Bangkok, Vienna, Dublin, Vancouver, Boston,  Zurich,  Melbourne, Budapest, Houston, Seattle, Montreal, Hong-Kong, Frankfurt, Sao-Paulo, Tel-Aviv, Copenhagen, Calgary, Orlando, Atlanta, Dallas, Hamburg, Osaka, Lisbon, Austin, Phoenix Naples, Oslo, Denver, Stockholm, Riyadh, Delhi, Buenos Aires, San-Jose, Brussels, Portland Philadelphia, Ottawa, Helsinki, Valencia, Brisbane, Warsaw, Minneapolis, Shanghai, Lyon, Adelaide, Edmonton, Marseille, Muscat, Athens, Stuttgart, Rio-De-Janeii, Baltimore, Auckland, Cologne, New-Orlean, Kuwait-City,  Kiev, Hanover, Perth, Minsk, Bucharest, Nashville, Dusseldorf, Manchester, Sacramento, Glasgow, Mexico-City, Salt-Lake-Ci, Raleigh, Cracow