Sumit Impex, a renowned manufacturer, supplier, and exporter, proudly presents our premium ASTM A193 Grade B7 / Grade B7M Nuts. These nuts, meticulously engineered to meet global standards, offer exceptional durability and reliability. Ideal for industrial applications, they ensure outstanding performance in demanding environments. With our commitment to quality and precision, You can trust us to deliver top-tier products that exceed expectations.

Sumit Impex is a Supplier of ASTM A193 Grade B7 Nuts, Biggest Stockist of Grade B7 M Nuts as per Standards in Mumbai, India.

ASTM A193 Grade B7M Hex Nuts, SA193 Grade B7 Heavy Hex Nuts, ASTM A193 Gr B7 Nuts, ASTM A193 Grade B7M Hex Head Nuts, A193 Gr B7M Nylon Insert Nuts, SA193 Grade B7M Eye Nuts, ASTM A193 Grade B7 Dome Nuts, ASTM A193 Grade B7 Nuts Manufacturer.

ASTM A193 Grade B7 Nuts are high-strength fasteners commonly used in various industries. These nuts are made from alloy steel and are heat-treated to achieve specific mechanical properties. ASTM A193 Grade B7M Nuts undergo additional testing for reduced hardness, making them suitable for corrosive environments. Widely recognized for their strength and reliability, these nuts are essential in critical applications such as construction, oil and gas, and manufacturing.

At Sumit Impex, we prioritize delivering top-quality products, as evidenced by our meticulous testing procedures for ASTM A193 Grade B7 Nuts. These nuts undergo comprehensive examinations, including hardness, chemical analysis, and corrosion resistance tests, ensuring reliability and durability. Furthermore, we provide detailed documentation, including commercial invoices, packaging lists, and Third Party Inspection Certificates, to guarantee transparency and client satisfaction. With our commitment to maintaining stringent quality standards, you can trust the reliability of our ASTM A193 Grade B7M Nuts.


ASTM A193 Grade B7 Nuts Specifications

A193 Grade B7 / 7M Dimensions
ASME B18.2.1, B18.3
Melt Origin
South America/East Europe/JapanKorea/
A193 Grade B7  / 7M Product Origin
Made in India
Threads Configuration
ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads
A193 Grade B7 / 7M Certification
Dual Certified As per ASTM & ASME Codes
Additional Certifications
PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
A193 Grade B7 / 7M Mandatory Requirements
Free from Mercury & Radioactive Contamination
Additional Requirements
NACE MR0103 / MR0175 / ISO 15156 Compliance

ASTM A193 Grade B7 Nuts Types

Hex Nuts

Hex Nuts

Countersunk Screw

Countersunk Screw

Wing Nut

Wing Nut

Acorn Nut

Acorn Nut

SA193 Grade B7 Chemical Composition

B7 (AISI 4140)
0.38 – 0.48%
0.75 – 1.00%
Phosphorus, max
Sulfur, max
0.15 – 0.35%
0.80 – 1.10%
0.15 – 0.25%

ASTM A193 Grade B7M Nuts Mechanical Properties

Tensile ksi, min
Yield, ksi, min
Elong, %, min
RA % min
Up to 2-1/2
321 max
35 max
2-5/8 – 4
4-1/8 – 7

Contact Us For Quatation & Questions Related To ASTM A193 Grade B7 / Grade B7M Nuts

A193 Grade B7 Nuts Applications

Export & Supply Destinations Of ASTM A193 Grade B7M Nuts

Egypt, Afghanistan, Malaysia, United Arab Emirates, Singapore, North Korea, Lebanon, Japan, Bhutan, Jordan, Israel, Kyrgyzstan, Bangladesh, Philippines, Qatar, Bahrain, Iraq, Saudi Arabia, Taiwan, Azerbaijan, Thailand, Turkey, Vietnam, Iran, South Korea, Sri Lanka, Maldives, India, Myanmar, Nepal, Mongolia, Armenia, China, Oman, Indonesia, Kuwait, Russia, Hong Kong, British, Macau.

Germany, Cyprus, Monaco, Malta, United Kingdom, Italy, Azerbaijan, Slovakia, Czechia/Czech Republic, Finland, Serbia, Liechtenstein, Russia, Belarus, Denmark, Austria, Ireland, Spain, Poland, Switzerland, Bulgaria, Netherlands, Norway, Turkey, Latvia, Hungary, France, Portugal, Belgium, Greece, Moldova, Croatia, Estonia, Luxembourg, Lithuania, Ukraine, Sweden, Romania.

Gambia, Zambia, Niger, Cameroon, Angola, Rwanda, Mauritania, Eswatini, Libya, Central African Republic, Namibia, Kenya, South Africa, Algeria, Mozambique, Egypt, Seychelles, Madagascar, Senegal, Tanzania, Mauritius, Uganda, Morocco, Burkina Faso, Zimbabwe, Botswana, Liberia, Nigeria, Ethiopia, Burundi, Tunisia.

Saint Lucia, Guatemala, Costa Rica, Belize, Panama, Antigua and Barbuda, Canada, Grenada, Nicaragua, Mexico, Jamaica, Honduras, Cuba, El Salvador, Dominica, Dominican Republic, Saint Vincent and the Grenadines, Haiti, Barbados, Trinidad and Tobago, Bahamas, United States of America.

Argentina, Venezuela, Ecuador, Bolivia, Guyana, Peru, Suriname, Chile, Colombia, Uruguay, Paraguay, Brazil.