Sumit Impex is the leading manufacturer, supplier, and ASTM A193 Grade B16 Nuts exporter. Renowned for their exceptional strength and durability, our nuts are meticulously engineered to meet stringent industry standards. With a focus on innovation and quality assurance, we ensure that our products deliver reliable performance in a diverse range of applications. Our commitment to customer satisfaction drives us to continuously enhance our offerings and provide unparalleled service to our valued clients.
ASTM A193 Grade B16 Nuts are high-strength fasteners commonly used in construction, manufacturing, and oil and gas industries. These nuts are made from alloy steel and undergo heat treatment to achieve the desired mechanical properties, including high tensile strength and resistance to corrosion and high temperatures. Widely recognized for their durability and reliability, ASTM A193 Grade B16 provide secure fastening solutions in demanding environments.
Sumit Impex is a Supplier of ASTM A193 Grade B16 Nuts, Biggest Stockist of Grade 16 Nuts as per Standards in Mumbai, India.
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Sumit Impex offers ASTM A193 Grade B16 Nuts that stand out due to their high vanadium content and higher tempering temperature, similar to the strength requirements of Grade B7. These B16 Nuts manufacturers in Mumbai maintain their strength even under elevated ambient temperatures, making them ideal for high-temperature applications. However, unlike other stainless steel grades in the ASTM A193 specification, ASTM A193 Grade B16 does not possess inherent corrosion resistance. To address this, surface coatings can be applied to enhance durability against corrosion.
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At Sumit Impex, we thoroughly check all materials to ensure they meet high-quality standards before delivery. We conduct various tests, such as micro and macro testing, flaring tests, and chemical analysis, to guarantee reliability. Additionally, we provide important documents like commercial invoices, packing lists, and third-party inspection certificates to ensure complete satisfaction for our clients.

ASTM A193 Grade 16 Nuts Specifications
Standard Specification Of | ASTM A193 Grade B16 Bolts |
Surface Finish | Plain / Zinc plated / Hot dip galvanised |
Surface Coating | Hot Dipped Galvanizing Coated Bolts Phosphate Coated Bolts Zinc Coated Bolts Cadmium Coated Bolts Teflon Coated Bolts Xylon Coated Bolts |
Melt Origin Country | Korea/ South America/ Japan/ East Europe |
Type Of Fasteners | Hex Bolts, Hex Nuts, Screws, Studs, Threaded Rod, Washer |
Type Of Head | Hex, Threading, Square, Round |
Standard Dimensions Of | ASME B18.2.1 And ANSI B18.3 |
ASTM Standard Of Fasteners | ASTM A193 B6: Class 1 & Class 2, DIN 933 / 931, EN 4017/ And 4014, IS 1363 / 1363. |
Origin Of Product | Rajtilak Metal (Mumbai, India) |
Additional Requirements Of Nuts Bolts | NACE MR0103 And MR0175 & ISO 15156 |
Size Type | Diameter 20 to 100 MM / Inches 3/4 to 3.1/2 |
ASTM A193 Grade 16 Nuts Types
Hex Nuts
Hex Nuts
Countersunk Screw
Countersunk Screw
Wing Nut
Wing Nut
Acorn Nut
Acorn Nut
Contact Us For Quatation & Questions Related To ASTM A193 Grade 16 Nuts
ASTM A193 B16 Nut Types
Standard | Grade |
DIN 17240 | 40CrMoV47 |
BS | 1506Ö |
NORM M3120 | 40CrMoV47 |
SEN 10269 | 40CrMoV4-6 |
ASTM A437 | B4D |
UNS | K14072 |
JIS G4107 | SNB16 |
JIS G4108 | SNB21-1 |
JIS G4108 | SNB21-2 |
JIS G4108 | SNB21-3 |
JIS G4108 | SNB21-4 |
JIS G4108 | SNB21-5 |
AISI | B16 |
ISO TR | 4956 |
ASTM A193 | B16 |
Price ASTM A193 B16 Bolts and Nuts
ASTM A193 B16 Fasteners – Country-wise Price Comparison
Product | Price (India) | Price (USA) | Price (UK) | Price (Germany) | Price (Australia) | Price (China) |
ASTM A193 Grade B16 Stud Bolts | ₹12 – ₹250 / Piece | $0.15 – $3.00 / Piece | £0.11 – £2.32 / Piece | €0.14 – €2.80 / Piece | AUD 0.20 – AUD 4.50 / Piece | ¥1 – ¥20 / Piece |
Stud Bolt ASTM A193 B16 | ₹150 – ₹200 / Kg | $1.80 – $2.30 / Kg | £1.40 – £1.79 / Kg | €1.70 – €2.20 / Kg | AUD 2.50 – AUD 3.50 / Kg | ¥12 – ¥18 / Kg |
ASTM B16 Grade 4 Nut DIN 975 Stud Bolt | ₹1 – ₹415 / Piece | $0.01 – $5.00 / Piece | £0.01 – £3.87 / Piece | €0.01 – €4.60 / Piece | AUD 0.015 – AUD 7.60 / Piece | ¥0.07 – ¥30 / Piece |
ASTM A193 Grade B16 Bolts and Nuts | ₹8 – ₹80 / Piece | $0.10 – $1.00 / Piece | £0.08 – £0.77 / Piece | €0.09 – €0.92 / Piece | AUD 0.14 – AUD 1.55 / Piece | ¥0.70 – ¥7.50 / Piece |
ASTM A193 B16 Grade 4.8 Steel Stud Bolt | ₹1 – ₹80 / Piece | $0.01 – $1.00 / Piece | £0.01 – £0.77 / Piece | €0.01 – €0.92 / Piece | AUD 0.015 – AUD 1.55 / Piece | ¥0.07 – ¥7.50 / Piece |
ASTM A193 Grade B16 Hex Bolts and Nuts | ₹2 – ₹415 / Piece | $0.03 – $5.00 / Piece | £0.02 – £3.87 / Piece | €0.03 – €4.60 / Piece | AUD 0.04 – AUD 7.60 / Piece | ¥0.15 – ¥30 / Piece |
ASTM A193 Grade B16 Industrial Stud Bolts and Specialty Nuts | ₹64,000 – ₹1,60,000 / Ton | $800 – $2,000 / Ton | £620 – £1,550 / Ton | €760 – €1,850 / Ton | AUD 1,100 – AUD 2,500 / Ton | ¥5,200 – ¥12,000 / Ton |
Grade A193 B16 Bolt Stud Bolt with Nuts | ₹12 – ₹2,000 / Piece | $0.15 – $25.00 / Piece | £0.11 – £19.34 / Piece | €0.14 – €23.00 / Piece | AUD 0.20 – AUD 35.50 / Piece | ¥1 – ¥150 / Piece |
A193 Grade 16 Nuts Application
SA 193 B16 Nut Bolt Packing:
SA 193 B16 Nuts and bolts are carefully packed to ensure safe transport:
- Individual Wrapping: Bolts and nuts are wrapped in plastic and covered with protective sleeves.
- Boxing: They are packed into labelled cardboard boxes.
- Final Packing: The boxes are placed in sealed wooden crates or on pallets, marked with product details and handling instructions.
This method ensures the bolts arrive safely and in good condition.
You can also check our ASTM A193 Grade B7 / Grade B7M Bolts for More.
Export & Supply Destinations Of ASTM A193 Grade 16 Nuts
Mongolia, Japan, Philippines, Hong Kong, Russia, Taiwan, Macau, Iraq, Jordan, India, China, Oman, Bangladesh, Iran, Azerbaijan, United Arab Emirates, North Korea, Armenia, Bhutan, Qatar, Indonesia, Malaysia, Kuwait, Turkey, Lebanon, Myanmar, Nepal, Sri Lanka, Maldives, Kyrgyzstan, Egypt, Vietnam, Thailand, South Korea, Israel, Afghanistan, Bahrain, Singapore, Saudi Arabia, British.
Seychelles, Mauritania, South Africa, Namibia, Tanzania, Eswatini, Algeria, Cameroon, Mozambique, Zimbabwe, Libya, Gambia, Kenya, Morocco, Niger, Madagascar, Ethiopia, Botswana, Liberia, Burundi, Senegal, Tunisia, Central African Republic, Angola, Mauritius, Nigeria, Burkina Faso, Uganda, Egypt, Zambia, Rwanda.
El Salvador, Barbados, Saint Vincent and the Grenadines, Grenada, Dominican Republic, Nicaragua, Panama, Costa Rica, Antigua and Barbuda, Guatemala, Honduras, Belize, Trinidad and Tobago, Mexico, Jamaica, Bahamas, Dominica, Haiti, Cuba, Saint Lucia, Canada, United States of America.
Guyana, Argentina, Suriname, Venezuela, Ecuador, Chile, Paraguay, Uruguay, Brazil, Colombia, Bolivia, Peru.