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Hot Rolled Alloy 2304 Duplex Stainless Steel Plate with High Yield Strength and Corrosion Resistance

Zertifizierung	ISO, AISI
Min Bestellmenge	50 kg
Preis	US $2.25-6.85 / kg

Produktdetails

Modell Nr.	2304 s32304	Form	Wohnung
Technik	Warmgewalzt	Oberflächenbehandlung	In Essig einlegen
Spezifikation	12202440, 15003000, 15006000, 20006000 mm	Produktionskapazität	50000 kg
Chrominhalt	23%	Nickelinhalt	4%
Molybdängehalt	0,2 %	Stickstoffgehalt	0,1 %
Dichte	7.800 kg/m3	Streckgrenze	MPa 400
Zugfestigkeit	600 MPa	Verlängerung	25 %
Härte	HV10 180-230
Hervorheben	Hot Rolled Stainless Steel Plate , Corrosion Resistant Duplex Stainless Steel Plate , High Yield Strength Alloy 2304 Plate

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Produkt-Beschreibung

Alloy 2304 Duplex Stainless Steel Plate S32304

Alloy 2304 (UNS S32304) is a 23% chromium, 4% nickel, molybdenum-free duplex stainless steel. This alloy offers corrosion resistance properties similar to 316L, while providing mechanical properties with yield strength twice that of 304L/316L austenitic grades. These enhanced properties enable weight savings in properly designed pressure vessel applications.

Chemical Analysis

Typical Values (Weight %)

Carbon	Chromium	Nickel	Molybdenum	Nitrogen	Others
0.020	23	4	0.2	0.1	S=0.001

PREN = [Cr%] + 3.3 [Mo%] + 16 [N%] ≥ 24

Mechanical Properties

Tensile Properties (Minimum Values)

°C	Rp 0.2 MPa	Rp 1.0 MPa	UTS MPa	°F	YS 0.2% Offset KSI	YS 0.1% Offset KSI	UTS KSI	Elongation %
20	400	440	600	68	58	64	87	25
100	330	365	570	212	48	53	83	25
200	280	310	530	392	41	45	77	20
300	230	260	490	572	33	38	71	20

Values obtained for hot rolled plates (th ≤ 2"). Alloy 2304 must not be used for extended periods at temperatures above 300°C (572°F) due to precipitation hardening.

Toughness Values (KCV Minimum Values)

Temp.	-50°C	+20°C	-60°F	+70°F
Single	75 J/cm²	90 J/cm²	54 ft. lbs	65 ft. lbs
Average (5)	90 J/cm²	150 J/cm²	65 ft. lbs	87 ft. lbs

Hardness (Typical Values)

Average (5)	HV10	HB	HRC
	180-230	180-230	≤ 20

Physical Properties

Density: 7,800 kg/m³ - 0.28 lb/in³

Interval Temp. °C	Thermal expansion α×10⁻⁶K⁻¹	°C	Resistivity (μΩ·cm)	Thermal conductivity (W·m⁻¹·K⁻¹)	Specific heat (J·kg⁻¹·K⁻¹)	Young modulus E (GPa)	Shear modulus G (GPa)
20-100	13	20	80	17	450	200	75
20-100	13	100	92	18	500	190	73
20-200	13.5	200	100	19	530	180	70
20-300	14	300	105	20	560	170	67

Structure

The chemical composition of Alloy 2304 is optimized to achieve a typical 50% austenite / 50% ferrite microstructure following solution annealing treatment at 950°-1050°C (1742°-1922°F). The microstructure demonstrates exceptional stability compared to molybdenum-containing duplex stainless steels. Intermetallic phases appear only after 10 hours of exposure in the 750°-850°C (1382°-1562°F) temperature range. Copper additions, when specified, increase hardness after heat treatment in the 350°-500°C (662°-932°F) range.

Processing

Hot Forming

Hot forming should be performed within the 1150°-900°C (2100°-1650°F) temperature range. Post-forming solution annealing treatment at 950°-1050°C (1742°-1922°F) is recommended to fully restore corrosion resistance and mechanical properties. Careful support during heating is essential to prevent creep deformation.

Cold Forming

Alloy 2304 can be cold formed using standard equipment for 304L and 316L grades. Higher stresses are required due to increased yield strength. Final solution annealing after cold forming restores optimal mechanical and corrosion resistance properties.

Descaling

Use standard 304L/316L solutions and pastes. Pickling times are longer than for austenitic grades due to the alloy's superior corrosion resistance.

Machinability

Alloy 2304 duplex demonstrates improved machinability, particularly in drilling operations, with performance equivalent to 316LEZ. Enhanced corrosion resistance and cleanliness are achieved without sulphur additions, improving localized corrosion resistance behavior.

Umbauten:

°C	Rp 0.2 MPa	Rp 1.0 MPa	UTS MPa	°F	YS 0.2% Offset KSI	YS 0.1% Offset KSI	UTS KSI	Elongation %
20	400	440	600	68	58	64	87	25
100	330	365	570	212	48	53	83	25
200	280	310	530	392	41	45	77	20
300	230	260	490	572	33	38	71	20

°C	Rp 0.2 MPa	Rp 1.0 MPa	UTS MPa	°F	YS 0.2% Offset KSI	YS 0.1% Offset KSI	UTS KSI	Elongation %
20	400	440	600	68	58	64	87	25
100	330	365	570	212	48	53	83	25
200	280	310	530	392	41	45	77	20
300	230	260	490	572	33	38	71	20

Hot Rolled Alloy 2304 Duplex Stainless Steel Plate with High Yield Strength and Corrosion Resistance

Hot Rolled Stainless Steel Plate

Corrosion Resistant Duplex Stainless Steel Plate

High Yield Strength Alloy 2304 Plate

°C	Rp 0.2 MPa	Rp 1.0 MPa	UTS MPa	°F	YS 0.2% Offset KSI	YS 0.1% Offset KSI	UTS KSI	Elongation %
20	400	440	600	68	58	64	87	25
100	330	365	570	212	48	53	83	25
200	280	310	530	392	41	45	77	20
300	230	260	490	572	33	38	71	20