What is ASTM A194 Grade 7 / Grade 7 M Fasteners ?

In all applications, Sumit Impex is specialized in the production of nuts, pins, and fasteners. For examples of projects with our ASTM A194 flex locking nozzles, look at our portfolio. Contact us to address your requirements when a particular application is needed for your project. We work with our customers 24 X 7 to provide their project specifications on time to meet their needs and to provide timely support. Determination of the right combination of specific applications can support specific chemical specifications and brand labeling. The ASTM A194 specification covers a variety of stainless steel nuts of wood, alloy and martensitic materials in the 1⁄4-4-inch range. And nominal metric M6 by M100. Included in the size range of the ASTM A194 is the austenitive stainless steel bolt. And above and nominal M6. These nozzles are for service in high or high-temperature conditions or both. Grade replacements are not permitted without the permission of the purchaser. The material can be refined further by central grinding or cold drawing.

GR.7M Alloy Steel Coupling Nut Exporter, Alloy Steel GR 7M Dome nuts, Alloy Steel GR 7M Bolt, Suppliers of ASTM A194 GR 7M Alloy Steel Hex Head Bolt Manufacturer in India.

ASTM A194 Alloy Steel Nut, Alloy Steel GR 7M Nuts, Grade 7M Alloy Steel Bolt, GR 7M Alloy Steel Shoulder Nuts Suppliers and Exporters in Mumbai, India.

ASTM A194 GR 7 Standard specification attachments in high-temperature, high-pressure conditions, or other special applications. The standards ASTM A194 Grade 7 requirements for bolts in high-pressure and high-temperature equivalent use for carbon-and alloy-steel bolts. ASTM A194 Grade 7 Grades of nozzles and bolts are available in a variety of grades like B7 to suit the varied designs, conditions of operation, mechanical properties, and demands for high temperatures.

Grade 7 Pads & SS 7 Pads, nuts, and boulder built and produced and testing for chemical structure, tensile and toughness characteristics, and high-temperature characteristics were performed and tested to meet the ASTM A194 requirements. Further data about variations between grades is given in the following mechanical and physical properties table: high-temperature, high-pressure ASTM A194 Gr applications. Seven nylon insert nut makes it suitable for applications in petroleum and chemical industries, which are commonly used in pressurized containers, valves, flanges, and appliances.

ASTM A194 Grade 7 / Grade 7 M Fasteners Specifications

Grade ASTM A194 Grade 7 / Grade 7 M
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 bolt, Hex Bolt, 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, Electric generation plants, On occasion will be found in fertilizer and chemical plants.

ASTM A194 Gr 7 Fasteners





3 mm to 200 mm

M 02 to M 160

Grade Material UNS
C, % Mn, % Ph, % S, % Si, % Cr, % Ni, % Mo, % Ti, % Cb & Ta, % N, % Other Elements, %
7 Type 4140, 4142, 4145, 4140H, 4142H, 4145H 0.37-0.49 0.65-1.10 0.035 0.040 0.15-0.35 0.75-1.2 0.15-0.25
Specification Material Nominal Size, In. Tempering Temp. °F Proof Load Stress, ksi Hardness Rockwell
Min Max
ASTM A194 Grade 7 Medium Carbon Alloy Steel, Quenched and Tempered 1/4 – 4 1100 175 C24 C38

Other Products

ASTM A194 Grade 7 Fasteners ASTM A194 Grade 7 Fasteners
SS Grade 7 Nuts ASTM A194 Grade 7 Bolts Supplier
ASTM A194 Grade 7 Socket Cap Screw ASTM A194 Bolts Manufacturer
SS Grade 7 Studbolt SS ASTM A194 GRADE Grade 7 Head Bolts
ASTM A194 Coupler Nuts Exporter Grade Grade 7 spring washer Stockist
ASTM A194 GRADE Grade 7 Flat Washer ASTM A194 GRADE Grade 7 Countersunk Slotted Screw

ASTM A194 Grade 7 / Grade 7 M Fasteners Price List

  • ASTM A194 Grade 7 Socket Head Cap Screw
    US $1000-2500 / Ton
  • ASTM A194 Grade 7 Plow Bolt, Plain
    US $2000-3000 / Ton
  • ASTM A194 Grade 7 Structural Bolt
    US $1.5-4.5 / Kilogram
  • ASTM A194 Grade 7 U bolts
    US $1800-2300 / Ton
  • ASTM A194 Grade 7 Hex Nut
    US $1550-2400 / Ton
  • ASTM A194 Grade 7 Hex Lag Screw
    US $1800-2300 / Ton
  • ASTM A194 Grade 7 Flat Washer
    US $1300-2600 / Metric Ton


We Sumit Impex Metal Ensure the best quality of Packing , because its play important role especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put extraordinary concern regarding packaging.

We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,

  • Boxes and Crates
  • Shrink-wrapped
  • Carton boxes
  • Wooden pallets
  • Wooden boxes
  • Wooden crates

Testings (Destructive, Non Destructive)

  • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Positive Material Identification – PMI Testing
  • Chemical Analysis – Spectro Analysis
  • Intergranular Corrosion (IGC) Test
  • Pitting Resistance Test
  • Dye Penetrant Test (DP Test)
  • Micro Test
  • Macro Test
  • Hardness Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Radiography Test
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test
  • Bend Test

Application Industries

These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.

  • Construction
  • Bridges
  • Petrochemical Industry
  • Ship Building
  • Engineering
  • General Structural Purposes
  • Offshore and Onshore Services

Stainless Steel Sheet Manufacturers

Country we serve / City we deliver

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& Riyadh, Moscow, Toronto, Geoje-si, Karachi, Istanbul, Courbevoie, Milan, Chiyoda, Thane, Aberdeen, Brisbane, Lagos, Lahore, Vung Tau, Faridabad, Ho Chi Minh City, Colombo, Santiago, Jaipur, Jeddah, Ludhiana, Doha, Haryana, Vadodara, Atyrau, Petaling Jaya, Ahvaz, Ernakulam, Gimhae-si, Surat, Sydney, Bengaluru, Mexico City, Ulsan, Madrid, Bangkok, Pimpri-Chinchwad, Thiruvananthapuram, New York, Bhopal, Howrah, Coimbatore, Chennai, Edmonton, Los Angeles, Rajkot, Mumbai, Sharjah, Cairo, Seoul, London, Jakarta, Abu Dhabi, Dammam, Nashik, Dubai, Hyderabad, Houston, Manama, Calgary, Granada, Rio de Janeiro, Navi Mumbai, Al Khobar,Kanpur, Hong Kong, Nagpur, Port-of-Spain, Ankara, Baroda, Algiers, Ahmedabad, Perth, Gurgaon, Singapore, Busan, Montreal, Al Jubail, Secunderabad, Ranchi, Jamshedpur, New Delhi, Tehran, Kolkata, Caracas, Melbourne, Kuwait City, Dallas, Pune, Muscat, Noida, Indore, Hanoi, Chandigarh, La Victoria, Kuala Lumpur, Bogota, Visakhapatnam