Stainless Steel Alloy 904L ASTM SS Sheets Plates

Stainless Steel Alloy 904L ASTM SS Sheets Plates - Image 2

Stainless Steel Alloy 904L ASTM SS Sheets Plates

Used for

pressure vessels,
piping,
heat exchangers,
food industry,
chemical industry,
fasteners such as nuts.

Product Description

Stainless Steel Alloy 904L ASTM SS Sheets Plates is a type of super austenitic stainless steel with high corrosion resistance; while its corresponding grade designations vary across different countries and regions, they all reflect its unique chemical composition and performance characteristics.

China: 00Cr20Ni25Mo4.5Cu
German Standard Grade: 1.4539
US Standard Grade: N08904
Europe: EN 1.4539 / X1NiCrMoCu25-20-5
UK: BS 904S13
Japan: JIS SUS890L
Common International Name: 904L

Both domestic and foreign stainless steel JBL products are available.

904l stainless steel sheet—-Chemical Requirement

Element	C	Si	Mn	P	S	Cr	Ni	Mo	N
Content (%)	≤0.02	≤1.00	≤2.00	≤0.045	≤0.035	19.0–23.0	23.0–28.0	4.00–5.00	≤—

Element	Cu	Fe	Al	Ti	Co	Nb	W	V
Content (%)	≤1.00–2.00	Balance	≤0.10	—	—	—	—	—

904L Stainless Steel — Physical and Mechanical Properties

roperty	Typical Value
Density	8.00–8.24 g/cm³
Melting Point	1300–1390 °C
Magnetism	Non-magnetic (Austenitic structure)
Thermal Expansion Coefficient	15.8 × 10⁻⁶ /°C
Thermal Conductivity	12 W/(m·°C)
Specific Heat Capacity	450 J/(kg·°C)
Electrical Resistivity	Approx. 95–97 μΩ·cm
Elastic Modulus	Approx. 190–200 GPa
Tensile Strength	≥490–520 MPa
Yield Strength	≥215–216 MPa
Elongation	≥35%
Hardness	HRB 70–90 or HB ≤190

Custom Stainless Steel Sheet Metal Fabrication

（904L Stainless Steel ）

Stainless steel surface finishing

（Stainless Steel Alloy 904L）

Stainless Steel Laser Processing

（904L Stainless Steel）

Applications of Super-austenitic 904L:

Petroleum and petrochemical equipment (e.g., reactors); sulfuric acid storage and transport equipment (e.g., heat exchangers);【Stainless Steel Alloy 904L ASTM SS Sheets Plates】

Flue gas desulfurization (FGD) units in power plants—key components include absorber towers, flue ducts, dampers, internals, and spray systems;【904L ASTM Stainless Steel Sheet】

Scrubbers and fans in organic acid processing systems;【Alloy 904L (N08904) Stainless Steel】

Seawater treatment units and heat exchangers; pulp and paper industry equipment; equipment for sulfuric and nitric acid production; pharmaceutical and other chemical processing equipment; pressure vessels; food processing machinery;【Stainless Steel Alloy 904L Plate】