Unifit Metalloys is a pre-dominant manufacturer, supplier, and trader of high-grade
904L Plates. We are centered with trending machines and equipment to follow production according to national and international standards. We stock these in various standards, specifications, designations
and custom dimensions and also with tolerance limit so as to fit in different fastening applications.
904L is a super austenitic SS that is developed for moderate to high corrosion resistance in a wide range of reducing environments. It has the combination of high chromium and nickel content also it is coupled with molybdenum that assures good resistance to corrosion. It is highly alloyed with 25% nickel and 4.5 molybdenum contents provide resistance to chloride stress corrosion cracking, pitting and crevice cracking. Originally, it is developed to withstand environments containing dilute sulfuric acids. These also offer good resistance to other organic acids such as phosphoric acids.
904L Plates can be easily welded by standard welding process and fabrication process. These are both hot and cold drawn. 850- 1150 degree C is recommended for hot working of plates. The normal hot working process is followed by quenching or solution annealing. The work hardening rate of 904L Plates makes it machinable with all standard machining process.
The test performed are Mechanical test, hardness test, tensile test, positive material test, micro and macro test, chemical test/ spectro analysis, and intergranular corrosion test. Other tests are flaring test, ultrasonic test, radiographic test, pitting corrosion test and third-party inspection.
904L Plates are delivered in the form of bundles with end cap supports to avoid damages while shipping.Enquiry Now
SPECIFICATION : ASTM A240 / ASME SA240
Standard : JIS, AISI, ASTM, GB, DIN, EN, etc
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness : 0.3~10.0mm
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)
End : Hot rolled plate (HR), Cold Rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
In bridges and other structural steel works
Pylons and other architectural structures
Spiral Cases and penstocks in power plants
|SS 904L||N08904||1.4539||Z2 NCDU 25-20||X1NiCrMoCu25-20-5||SUS 890L||904S13||-|
|904L||min.||-||-||-||-||-||19.0||4.00 - 5.00||23.00||-|
|Grade||Tensile Strength (MPa) min||Yield Strength 0.2% Proof (MPa) min||Elongation (% in 50mm) min||Hardness|
|Rockwell B (HR B) max||Brinell (HB) max|
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