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1.4362 Duplex Steel Plate ASTM A240 S32304 Stainless Steel Plate for High Strength Applications

Certificazione	ISO, AISI
Quantità di ordine minimo	50 kg
Prezzo	US $2.25-6.85 / kg

Dettagli

Modello n.	1,4362	Forma	Piatto
Tecnica	Laminato a caldo	Trattamento superficiale	marinatura
Specifica	12202440, 15003000, 15006000, 20006000 mm	Capacità produttiva	50000KG
Contenuto di carbonio	0,020%	contenuto del cromo	23%
Contenuto di nichel	4%	Contenuto di molibdeno	0,2%
Contenuto di azoto	0,1%	Densità	7.800 kg/m3
Forza di snervamento	MPa 400	Resistenza alla trazione	600 MPa
Allungamento	25%
Evidenziare	1.4362 Duplex Steel Plate , ASTM A240 Stainless Steel Plate , S32304 Alloy 2304 Plate

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Descrizione di prodotto

1.4362 Duplex Steel Plate ASTM A240 S32304 Stainless Steel Plate

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

Chemical Composition

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 exceeding 300°C (572°F) due to precipitation hardening.

Toughness Values (KCV Minimum Values)

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

Hardness (Typical Values)

HV10	HB	HRC
180-230	180-230	≤ 20

Physical Properties

Density: 7,800 kg/m³ - 0.28 lb/in³

Temperature Interval °C	Thermal Expansion α×10⁻⁶ K⁻¹	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	80	17	450	200	75
20-100	13	92	18	500	190	73
20-200	13.5	100	19	530	180	70
20-300	14	105	20	560	170	67

Microstructure

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 of 2304 duplex stainless steel demonstrates superior stability compared to molybdenum-containing duplex grades. Intermetallic phases appear only after extended holding times of 10 hours within 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 Guidelines

Hot Forming

Hot forming should be performed within the 1150°-900°C (2100°-1650°F) temperature range. Following forming operations, a solution annealing treatment at 950°-1050°C (1742°-1922°F) is recommended to fully restore corrosion resistance and mechanical properties. Components formed from 2304 alloy require careful support during heating to prevent creep deformation.

Cold Forming

Alloy 2304 can be cold formed using standard equipment for 304L and 316L grades. Due to its higher mechanical properties and yield strength, increased forming stresses are required. A final solution annealing heat treatment is recommended after cold forming to restore optimal mechanical and corrosion resistance properties.

Descaling

Use standard solutions and pastes employed for 304L/316L alloys. Pickling times will be longer than for austenitic grades due to the enhanced corrosion resistance properties of this duplex stainless steel.

Machinability

Alloy 2304 duplex stainless steel exhibits improved machinability, particularly in drilling operations. Its performance is equivalent to 316LEZ, while offering superior corrosion resistance and cleanliness without requiring sulfur additions. This results in enhanced localized corrosion resistance behavior.

Etichette:

°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

1.4362 Duplex Steel Plate ASTM A240 S32304 Stainless Steel Plate for High Strength Applications

1.4362 Duplex Steel Plate

ASTM A240 Stainless Steel Plate

S32304 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