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24 Gauge 4X8 Embossed 304 Stainless Steel Sheet 2b Finish

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24 Gauge 4X8 Embossed 304 Stainless Steel Sheet 2b Finish

Country/Region	china
City & Province	wuxi jiangsu
Categories	Fiberglass Products

Product Details

Industrial Cold Rolled Duplex Steel Plate AISI 2205 S31083 S323304 904L S32750

UNS S31803 DUPLEX STAINLESS STEEL STOCKHOLDERS AND SUPPLIERS, DELIVERING TO THE WHOLE OF THE UK. WEST YORKSHIRE STEEL ARE SUPPLIERS OF UNS S31803, A CHROMIUM NICKEL MOLYBDENUM AUSTENITIC FERRITIC GRADE. IT COMBINES IMPROVED RESISTANCE TO STRESS CORROSION CRACKING, PITTING, CREVICE CORROSION AND HIGH STRENGTH IN COMPARISON WITH OTHER STAINLESS STEEL GRADES. UNS S31803 GRADE DUPLEX RESISTS CHLORIDE ENVIRONMENTS AND SULPHIDE STRESS CORROSION. IT IS APPROXIMATELY DOUBLE THE YIELD STRENGTH OF STANDARD AUSTENITIC STAINLESS STEEL GRADES. AS WITH OTHER DUPLEX STAINLESS STEEL SPECIFICATIONS OXIDATION RESISTANCE IS GOOD AT HIGH TEMPERATURE, THOUGH IT IS PRONE TO EMBRITTLEMENT WHEN EXPOSED TO TEMPERATURES ABOVE 300°C AND IS PRONE TO EMBRITTLEMENT AT 475°C WHEN EXPOSED FOR 2 HOURS ONLY. IT IS ALSO SUBJECT TO EMBRITTLEMENT BETWEEN 370-540°C WHEN EXPOSED OVER A LONGER PERIOD.

Super Duplex Stainless Steel – Alloy 2507 (UNS S32750 and UNS S32760) Specifications

STAINLESS STEEL	TRADENAME	UNS NO.	WERKSTOFF NO.	DENSITY (G/CM3)
Super Duplex	F55 / 2507, F53	S32760 / S32750	1.4501 / 1.4410	7.805

Super Duplex – S32760 Grade Stainless Steel Chemical Composition, %

CR	NI	MO	C	W	CU
24.0-26.0	6.0-8.0	3.0-4.0	0.030 Max	0.5-1.0	0.50-1.0

N	MN	SI	P	S	FE
0.2-0.3	1.00 Max	1.0 Max	0.03 Max	0.01 Max	Balance

Super Duplex – S32750 / 2507 Grade Stainless Steel Chemical Composition, %

CR	NI	MO	C	N	MN
24.0-26.0	6.0-8.0	3.0-5.0	0.030 Max	.24-.32	1.20 Max
Si	Cu	P	S	Fe
0.80 Max	0.50 Max	0.035 Max	0.020 Max	Balance

Physical & Mechanical Properties of Super Duplex 2507 Stainless Steel (UNS S32750 and UNS S32760)

	SUPER DUPLEX STAINLESS STEEL
Density	7.805
Melting Range,℃	1350 ℃
Elongation %	15 min.
Tensile Strength (Mpa)	800
Yield Strngth (Mpa)	550
Hardness (Brinell)	270 max

Duplex 2205 Stainless Steel Composition

Table 1 provides the compositional ranges for grade 2205 duplex stainless steel.

Table 1 - Composition ranges for 2205 grade stainless steels

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
2205 (S31803)	Min Max	- 0.030	- 2.00	- 1.00	- 0.030	- 0.020	21.0 23.0	2.5 3.5	4.5 6.5	0.08 0.20
2205 (S32205)	Min Max	- 0.030	- 2.00	- 1.00	- 0.030	- 0.020	22.0 23.0	3.0 3.5	4.5 6.5	0.14 0.20

Duplex 2205 Stainless Steel Mechanical Properties

The typical mechanical properties of grade 2205 stainless steels are listed in the table below.

Grade S31803 has similar mechanical properties to that of S32205.

Table 2 - Mechanical properties of 2205 grade stainless steels

Grade	Tensile Str (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell C (HR C)	Brinell (HB)
2205	621	448	25	31 max	293 max

Duplex 2205 Stainless Steel Physical Properties

The physical properties of grade 2205 stainless steels are tabulated below. Grade S31803 has similar physical properties to that of S32205.

Table 3 – Physical properties of 2205 grade stainless steels

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (μm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C ( J/kg.K)	Electrical Resistivity (nΩ.m)
			0-100°C	0-315°C	0-538°C	at 100°C	at 500°C
2205	782	190	13.7	14.2	-	19	-	418	850

Duplex 2205 Stainless Steel Grade Specification Comparison

Table 4 provides the grade comparison for 2205 stainless steels. The values are a comparison of functionally similar materials. Exact equivalents may be obtained from the original specifications.

Table 4 - Grade specification comparisons for 2205 grade stainless steels

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
Grade	UNS No	BS	En	No	Name	Swedish SS	Japanese JIS
2205	S31803 / S32205	318S13	-	1.4462	X2CrNiMoN22-5-3	2377	SUS 329J3L

Duplex 2205 Stainless Steel Possible Alternative Grades

Given below is a list of possible alternative grades, which may be chosen in place of 2205.

Table 5 - Grade specification comparisons for 2205 grade stainless steels

Grade	Reasons for choosing the grade
904L	Better formability is needed, with similar corrosion resistance and lower strength.
UR52N+	High resistance to corrosion is required, e.g. resistance to higher temperature seawater.
6%Mo	Higher corrosion resistance is required, but with lower strength and better formability.
316L	The high corrosion resistance and strength of 2205 are not needed. 316L is lower cost.

Duplex 2205 Stainless Steel Corrosion Resistance

Grade 2205 stainless steel exhibits excellent corrosion resistance, much higher than that of grade 316. It resists localized corrosion types like intergranular, crevice and pitting. The CPT of this type of stainless steel is around 35°C. This grade is resistant to chloride stress corrosion cracking (SCC) at temperatures of 150°C. Grade 2205 stainless steels are apt replacements to austenitic grades, especially in premature failure environments and marine environments.

Material summary and usage

S31803 steel is ultra-low carbon dual- phase stainless acid resistant steel. It is provided with excellent pitting corrosion and crevice corrosion resistant performances. In addition, nitrogen, as a strong element that forms and stabilizes austenite, still ensures the existence of certain amount of austenite in the structure even if after welding or heating under high temperature, and makes it difficult to form single-phase ferrite. The dual-phase proportion is not sensitive to the change of heating temperature.

Chemical composition(%)

Standard	No.	C (max)	Si (max)	Mn (max)	P (max)	S (max)	Cr	Ni	Mo	N
ASTM	S31803	0.030	1.00	2.00	0.030	0.020	21.0-23.0	4.5-6.5	2.5-3.5	0.08-0.20
EN	1.4462	0.030	1.00	2.00	0.035	0.015	21.0-23.0	4.5-6.5	2.5-3.5	0.10-0.22