Ninthore Overseas is one of the Leading Manufacturer And Exporter of High Quality Alloy Steel 7M Washers, which has some great features to offer such as Impeccable finish, Rust proof, and Dimensional accuracy. We are counted amongst the reckoned names in the industry, offering an exceptional array of Alloy Steel Grade 7M Flat Washers, which is durable in nature and has high strength. With our in – depth knowledge and experience, we are engaged in offering a finest quality Alloy Steel Grade 7M Lock Washers, which is often use in food industries, chemical industries and electrical industries. Alloy Steel Grade 7M Sealing Washers can also be availed by clients in various specifications as per their variegated needs.

Alloy Steel 7M Washers

                      Alloy Steel 7M Washers

Alloy Steel Grade 7M Split Washers is manufactured in compliance with the main international specifications, where tighter tolerances are available upon request and custom tempers are available upon request. In order to maintain international quality standards, offered range of Alloy Steel Grade 7M Slot Washers is tested on various quality parameters under the strict supervision of adroit professionals.

Alloy Steel 7M Washers | Alloy Steel 7M Washers | Alloy Steel 7M Washers | Alloy Steel 7M Washers | Alloy Steel 7M Washers | Alloy Steel 7M Washers | Alloy Steel 7M Washers

Additionally, Alloy Steel Grade 7M Machine Washers are tested on several parameters of quality for ensuring its flawless delivery at the clients’ end. Alloy Steel Grade 7M Star Washers is also claimed to have superior resistance to temper embrittlement and to have improved weld heat-affected zone properties. Alloy Steel Grade 7M Spring Washers are easy to install and requires least maintenance, obtainable at market leading prices.

Alloy Steel GR 7M Washers Specifications
Specifications : ASTM A 194 ASME SA 194
Standard : IS, ASTM, BS and all International Standards
Length : 3 mm to 200 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Type : Flat Washer, Lock Washer, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer SPRINGS – Wire Spring & Flat Spring.

GR 7M Alloy Steel Washers Chemical Composition

Alloy Steel GR 7M C Mn P S Si Mo Cr
0.37-0.49% 0.65-1.10% 0.04% 0.04% 0.15-0.035% 0.15-0.25% 0.75-1.20%

Alloy Steel GR 7M Washers Application Industries

  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry

Alloy Steel GR 7M Washers Test Certificates

We at Ninthore Overseas provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc.

Material Testing

We at Ninthore Overseas ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test


• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)