| Grade | US Aerospace/Military | US Commercial | British Specification | European Specification | Other |
| 904L | Werkstoff 1.4539 AFNOR Z2CNDU 25-20 |
UNS N08904 |
| Chemical Composition Limits | |||||||||||
| Weight% | Ni | Cr | Mo | Cu | Mn | Si | S | C | N | ||
| 904L | 23-28 | 19-23 | 4-5 | 1-2 | 2 max | 1 max | 0.035 max | 0.020 max | 0.10 max | ||
Alloy 904L is an austenitic stainless steel intended for use under severe corrosion conditions, with a very good resistance to attacks in acidic environment, as sulphuric, phosphoric and acetic acid. Very good resistance to pitting corrosion, stress corrosion cracking and a much better resistance to crevice corrosion than steels of alloy 304L and alloy 316L. Used for chemical processing, pollution control equipment, oil and gas well piping, heat exchangers, acid production and pickling equipment.
| Alloy | Tensile Strength MPa | Yield Strength (0.2% Offset) MPa | Elongation (%) |
| Alloy 904L Tube | 500-700 | 200 | 40 |
Availability
Alloy 904L is available in Instrument tube, Precision tube and Hydraulic tube. On request Alloy 904L Coiled Tube can be supplied with a stainless steel seamless and welded execution. For all stock availability of contact Sales.
Specifications
Werkstoff 1.4539
AFNOR Z2CNDU 25-20
UNS N08904
Harsh Steel export Alloy 904L to below contries.
Harsh steel is a major stockist and Exporter of Alloy 904L to many countries of the world such as Singapore, Brisbane, Sydney, Melbourne, Australia, Houston, TX, San Diego, San Francisco, Atlanta, USA, Brentford, United Kingdom, Phoenix, Ireland, New Zealand and Canada, Western Australia , Queensland, New South Wales, South Australia, Victoria, Australian Capital Territory, Tasmania, Northern Territory, Ontario, British Columbia, Yukon Territory, Alberta, Manitoba, Saskatchewan, New foundland, Prince Edward Island, New Brunswick, Nova Scotia, Eastern Cape, Gauteng, Kwazulu-Natal, Western Cape, England, Scotland, Wales, Northern Ireland, Lagos, Abuja Capital Territory, Vadodara, Mumbai, Chennai, New Delhi, Mahape, Gurgaon, Noida, Bangalore, Coimbatore, Cochin, Ash Sharqiyah, Ar Riyad, Makkah, Dhahran, Riyadh, Jiddah, Jeddah, Masqat, Kwazulu-Natal, Gauteng, Western Cape, Free State, Eastern Cape, Alberta, Saskatchewan, British Columbia, Newfoundland, New Brunswick, Manitoba, Ontario, Nova Scotia, Quebec, Calgary, Edmonton, Vancouver, Toronto, Birmingham, Brentford, Manchester, Bristol, Sheffield, Milton Keynes, London, Poplar, Edinburgh, Thames Ditton.