Sumit Impex is a reputable manufacturer and supplier of Duplex and Super Duplex Washers. With a commitment to quality and reliability, we serve various industries, providing essential components for diverse applications worldwide. Trusted for our expertise and superior products, we are a leading name for washers and fasteners.
Sumit Impex is a Supplier of Duplex Steel Washer, Biggest Stockist of Super Duplex Washers as per Standards in Mumbai, India.
Super Duplex Cup Washer, Duplex Steel Washer, Duplex Steel Taper Washer, DSS Washers, M6 Duplex Steel Washers, Duplex Stainless Steel Flat Washer, SDSS Plain Washer, Super Duplex Steel Washers Manufacturers in India.
Duplex and Super Duplex washers are engineered for superior corrosion resistance, making them ideal for demanding environments such as offshore oil rigs, chemical processing plants, and marine applications. Their duplex structure enhances strength and durability, while their resistance to pitting, crevice corrosion, and stress corrosion cracking ensures longevity in harsh conditions. These washers are widely used in critical bolting applications where corrosion protection is paramount.
Sumit Impex ensures the quality and performance of Duplex and Super Duplex washers through rigorous testing. Micro and macro tests assess structural integrity while flaring tests gauge ductility. Pitting resistance tests evaluate corrosion resistance, which is crucial for harsh environments. Positive Material Identification (PMI) testing also confirms chemical composition adherence to standards. These tests collectively guarantee the reliability and suitability of Duplex and Super Duplex washers offered for industrial applications.

Duplex Steel Washer Specification
Specification | ASTM A193 / ASME SA193 |
Washer Size | M2-M100 |
Length | 5-300mm |
Packaging | Comes in boxes of 50, 100, 200, Custom |
ASME Standard (American) | ASME/ ANSI B18.21.1 |
DIN Standard (German) | DIN 125 A, DIN 127 B, DIN 7980 |
Finish | Self color, Polish, Passication |
Test performed | Hardness test, Torsion test |
Thread | Coarse, Fine |
Types of Washer |
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Super Duplex Steel Washers Types
Dome Washers
Dome Washers
Ogee Washers
Ogee Washers
Fender Washers
Fender Washers
Spring Washers
Spring Washers
Square Washers
Square Washers
Plain Washer
Plain Washer
Lock Washers
Lock Washers
Countersunk Finishing Washer
Countersunk Finishing Washer
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Duplex Stainless Steel Washers Applications
Export & Supply Destinations Of Super Duplex Steel Washers
Japan, Bahrain, Myanmar, Lebanon, Sri Lanka, India, British, China, Armenia, Oman, Maldives, North Korea, Taiwan, South Korea, Saudi Arabia, Russia, Kuwait, Philippines, Israel, Nepal, Bhutan, Malaysia, Singapore, Macau, Iraq, Azerbaijan, United Arab Emirates, Afghanistan, Kyrgyzstan, Thailand, Egypt, Indonesia, Mongolia, Hong Kong, Turkey, Qatar, Iran, Bangladesh, Jordan, Vietnam
Germany, Latvia, Spain, Switzerland, Russia, Poland, Austria, Belgium, Ukraine, Bulgaria, Malta, Monaco, Slovakia, Italy, Portugal, Romania, Netherlands, Turkey, Cyprus, Sweden, Belarus, France, Liechtenstein, Luxembourg, Greece, Czechia/Czech Republic, Moldova, Lithuania, Denmark, Serbia, Ireland, Norway, Hungary, Estonia, Croatia, Azerbaijan, Finland, United Kingdom
Kenya, Mozambique, Seychelles, Niger, Mauritius, Burkina Faso, Rwanda, Senegal, Algeria, Ethiopia, Libya, Botswana, Zambia, Burundi, Zimbabwe, Tunisia, Nigeria, Liberia, Angola, Tanzania, Eswatini, Namibia, South Africa, Mauritania, Madagascar, Gambia, Central African Republic, Cameroon, Egypt, Morocco, Uganda
Trinidad and Tobago, Saint Lucia, United States of America, Barbados, Honduras, Haiti, El Salvador, Costa Rica, Dominican Republic, Guatemala, Panama, Belize, Antigua and Barbuda, Cuba, Nicaragua, Bahamas, Dominica, Mexico, Jamaica, Saint Vincent and the Grenadines, Canada, Grenada
Uruguay, Paraguay, Chile, Venezuela, Peru, Bolivia, Ecuador, Colombia, Suriname, Guyana, Argentina, Brazil