317L Round Bar

SA 516 Gr 70 Spectacle Blind Flanges

Spectacle Blind Flanges SA 516 Gr 70<br />

SA 516 GR 70, SA 516 Spectacle Blind Flanges Manufacturer, SA 516 GR 70 Spectacle Blind Flanges, SA 516 Spectacle Blind Flanges Supplier, ASTM A182 Spectacle Blind Flanges, ASME B16.5 Spectacle Blind Flange Supplier in India

Detailed Information:

Ratna Exports is a leading global supplier and exporter, providing many high-quality products to meet diverse customer needs. Our commitment lies in manufacturing robust products while ensuring competitive pricing. One of our flagship offerings is the SA 516 Gr 70 Spectacle Blind Flanges, trusted components widely used in pipeline operations.

These flanges exhibit remarkable corrosion resistance, making them ideal for use in corrosive environments, particularly in chemical industries. Additionally, they boast exceptional heat resistance, making them suitable for heating equipment applications. With strong structural integrity, they resist buckling and crushing effectively.

Crafted through a metal forging process, our Spectacle Blind Flanges adhere to industry-approved standards such as ASME A31.3, ASME B 16.48, and ASME B 16.5, ensuring compatibility with various flange installations. Compliant with ASTM B182 and ASTM SB 182 standards, these flanges range from ½” 15 NB to 48” 1200 NB, with customisation options to meet specific client requirements.

Spectacles Blind Flange, SA 516 GR 70, ASME B16.5 Spectacle Blind Flange, SA 516 Spectacle Blind Flanges Supplier, ASTM A516 Grade 70 Spectacle Blind Flanges Dealer Exporter, SA 516 Gr 70 Flanges

Our ASTM A516 grade 70 Flange undergo meticulous heat treatment to eliminate structural defects, ensuring superior finishing and leak-free performance. As reliable manufacturers of , we prioritize top-notch quality, providing detailed information on spectacle blind flange weight for easy selection.

Manufactured using high-quality raw materials, advanced machinery, and precision fabrication methods, our ASME SA 516 Gr 70 Spectacle Blind Flanges boast excellent surface finish and dimensional accuracy. Each SA 516 GR 70 blind undergoes rigorous quality assurance testing to guarantee performance reliability. Available at affordable prices, we package these blinds securely in wooden or cardboard boxes to prevent physical damage during transportation.

Ideal for complex pipe fittings and other operations, our spectacle blind flanges increase the lifetime of your fittings while maintaining cost-effectiveness. Trust Ratna Exports for premium quality and reliable solutions for your industrial needs.

ASTM A516 Grade 70 Spectacle Blind Flanges Specification

Dimensions : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Size:1/2″ (15 NB) to 48″ (1200 NB)

Class:150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673

BS : BS4504 , BS4504, BS1560, BS10

Flange Face Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

SA 516 GR 70 Spectacle Blind Flanges Chemical Composition

Grade  C Si Mn S Al P Cr Cu Ni Mo Nb
SA 516 GR70 0.28 MAX 0.15-0.40 0.85-1.20 0.035 MAX 0.03 0.035 MAX 0.3 0.3 0.3 0.08 0.01

SA 516 GR 70 Spectacle Blind Flanges Mechanical Properties

Tensile Strength Yield Strength (0.2%Offset) Elongation %
485 -620 MPA              260 MPA MIN   17 MIN

British (BS) Standard


European (EN) Norm

EN 10028 P355GH

Types Of SA 516 GR 70 Flange

  • A516 GR 70n Spectacle Blind
  • A516 GR 70 Spectacle Flange
  • SA 516 GR 70 Spectacle Blind Flange
  • SA 516 Spectacle Blind Flange
  • SA516 GR 70 Black Spade Flange
  • A 516 GR 70 Spacer Rings516 GR 70 Spade BlindsSA 516 GR 70N Paddle Blind Flange
  • ASTM A 516 GR 70 Figure 8 Spectacle Blind
  • ASTM A516 GR70 Spade Blind
  • ASME SA 516 GR 70 Spade Blind Flange
  • ASTM SA 516 GR 70 Slip Blind Flange
  • SA 516 Gr 70 Carbon Steel Figure 8 Blind Flange
  • SA 516 Steel Spec Blind Flange
  • ASME 516 GR 70 Spectacle Blind Open
  • ASTM A516 GR 70N Paddle Blind And Spacer
  • Carbon Steel A516 Spectacles For Blind
  • SA 516 Gr 70 Steel Spectacle Blind And Spacer
  • SA 516 Carbon Steel Slip Blind Plate
  • A516 Gr70n Piping Spectacle Blind
  • SA 516 Gr 70 Killed Carbon Steel Spectacle Blind Figure 8
  • SA 516 Steel Spade Spacer Spectacle Blind
  • ASME 516 GR 70 Spade Line Blinds
  • ASTM SA 516 Pipe Skillet Blind

Widest Stock Of SA 516 GR 70 Spectacle Blind Flange

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SA 516 GR 70 Spectacle Blind Flanges

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ASTM A516 Grade 70 Spectacle Blind Flanges Dealer Exporter

Duplex Steel GR 70 Spectacle Blind Flange

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Inconel SA 516 GR 70 Spectacle Blind Flanges Manufacturer

Titanium ASME B16.47 Series A and B Spectacle Blind Flanges

SS Grade 70 Spectacle Blind Flange Supplier

ANSI B16.5 Class 150 Spectacle Blind Flanges

SA 516 GR 70 Spectacle Blind Flanges

SA 516 GR 70 Spectacle Blind Flanges

GR 70 Spectacle Blind Flange


Astm A516 Grade 60/70 Flanges Test Certificates

We at RatnaExports.com provide Manufacturer TC (Test Certificate) following 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 requirements. NACE MR 01075. FERRITE CONTENT as per norms if requested by clients.

EN 10204/3.1B,

  • Raw Materials Certificate
  • 100% Radiography Test Report
  • Third-Party Inspection Report, etc

ASTM, ASME SA 516 Grade 60/70 Flanges Value Added Services

Material Testing:

At ratnaexports.com  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 MacroTest
  • 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 Generalised System of Preferences (GSP)

Applications Industry

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

    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