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

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

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

MOQ： 50 kg
Price： US $2.25-6.85 / kg
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Model NO.	2304 s32304
Shape	Flat
Technique	Hot Rolled
Surface Treatment	Pickling
Specification	12202440, 15003000, 15006000, 20006000mm
Production Capacity	50000kgs
Chromium Content	23%
Nickel Content	4%
Molybdenum Content	0.2%
Nitrogen Content	0.1%
Density	7,800 kg/m3
Yield Strength	400 MPa
Tensile Strength	600 MPa
Elongation	25%
Hardness	HV10 180-230
Certification	ISO, AISI

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Product Specification


Model NO.	2304 s32304	Shape	Flat
Technique	Hot Rolled	Surface Treatment	Pickling
Specification	12202440, 15003000, 15006000, 20006000mm	Production Capacity	50000kgs
Chromium Content	23%	Nickel Content	4%
Molybdenum Content	0.2%	Nitrogen Content	0.1%
Density	7,800 kg/m3	Yield Strength	400 MPa
Tensile Strength	600 MPa	Elongation	25%
Hardness	HV10 180-230	Certification	ISO, AISI
High Light	Hot Rolled Stainless Steel Plate ，Corrosion Resistant Duplex Stainless Steel Plate ，High Yield Strength Alloy 2304 Plate

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.

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Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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°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

°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