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Difference between SS & SUS materials

August 18, 2010

Q. Is there a difference between SS-304 and SUS-304 if any?

I have to make a SS casting of Non-drive slide seat of a pump.

K. Kual

Kanwal Kaul
vendor development - Faridabad, Haryana, India

August 27, 2010

A. They mean the same thing. SUS is the typical Japanese designation for stainless grades. Despite different systems globally, most of them use the same numbers for the common long-standing grades such as 304.

Ray Kremer
Stellar Solutions, Inc.

McHenry, Illinois

August 23, 2013

Q. I seen some ss304 & sus304 material; finishing-wise it's different? Can you tell me the reason for this material?

Vinoth Rajendran
- Chennai, Tamilnadu, India

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