Product Parameters

Product Name	904 Stainless Steel Plate
Material Grade	904 / 904L (UNS N08904 / W.Nr. 1.4539) - highalloy, superaustenitic stainless steel
Applicable Standards	ASTM A240 / ASME SA240, EN 100882
Thickness Range	Typically ~0.3 mm up to ~150 mm (coldrolled and hotrolled variants) hanyumetals.com+1
Width & Length Options	Widths of ~1000–2500 mm (or larger); lengths per customers' requirements Saky Steel+1
Chemical Composition (Typical)	C ≤ 0.02 %; Cr 1923 %; Ni 2328 %; Mo 45 %; Cu 12 % SteelPro+1
Mechanical Properties (Typical)	Tensile strength ≥ 490 MPa; Yield strength ≥ 220 MPa; Elongation ≥ 35 % hanyumetals.com+1
Surface Finish Options	2B, BA, No.1, No.4, No.8, Mirror, Brushed, Embossed, Sandblast etc. Saky Steel

Features of 904 Stainless Steel Plate

Exceptional Corrosion Resistance: Built for highly aggressive environments, this alloy offers outstanding resistance to sulphuric acid, phosphoric acid, chlorides and crevice/pitting corrosion.

High‑Strength and Durable Alloy Construction: With a high‑nickel, high‑molybdenum composition, the material maintains excellent mechanical properties and structural integrity under heavy demand.

Excellent Fabrication and Weldability: Low carbon content and optimized alloying allow for reliable welding and forming, without significant risk of sensitisation or intergranular corrosion.

Versatile Application Readiness: Designed for use in chemical processing, marine, offshore, and other critical infrastructures where standard stainless steels fail.

FAQ

Q: What surface finishes are available for 904 stainless steel plate?

A: Common finishes include 2B, BA, No.1, No.4, No.8, mirror, brushed, embossed, and sand-blasted.

Q: Can 904 stainless steel plate be welded and fabricated easily?

A: Yes, its low carbon and alloy composition allow for excellent weldability and formability without compromising corrosion resistance.

Q: Why is 904 stainless steel plate for aggressive chemical environments?

A: High nickel, chromium, and molybdenum content provide exceptional resistance to sulphuric acid, hydrochloric acid, chlorides, and pitting corrosion.

Q: What industries commonly use 904 stainless steel plate?

A: Used widely in chemical processing, oil & gas, marine, pharmaceuticals, and power generation equipment.

Q: What are typical thickness and size options?

A: Thickness ranges from 0.3 mm to 150 mm, with customizable widths and lengths according to project requirements.

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