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S32900 Stainless Steel Coil SUS329J1 1.4477

S32900 duplex stainless steel Coil has excellent corrosion resistance, high strength and processing performance, and is widely used in seawater corrosion equipment, chemical equipment and other fields.Its chemical composition, physical and mechanical properties are in line with international standards, and its processing and welding performance are excellent.

GB/T ISO ASTM TOCT DIN JIS

Chemical Composition

The chemical composition of S32900 is the basis of its performance. According to 2021. the main components of this material include:

· Carbon (C): ≤0.8%

· Silicon (Si): ≤1.00%

· Manganese (Mn): ≤1.50%

· Phosphorus (P): ≤0.035%

· Sulfur (S): ≤0.030%

· Chromium (Cr): 23.00% - 28.00%

· Nickel (Ni): 3.00% - 6.00%

· Molybdenum (Mo): 1.00% - 3.00%

Physical properties

The physical properties of S32900 are as follows20:

· Melting point: No specific value is provided

· Specific heat capacity: 0.46 kg/(kg·K) (0~100℃)

· Thermal conductivity: No specific value is provided

· Linear expansion coefficient: No specific value is provided

· Resistivity: No specific value provided

· Longitudinal elastic modulus: No specific value provided

· Density: No specific value provided

· Hardness: 227 HB after solution treatment, HRB 29

· Magnetism: None

Mechanical properties

The mechanical properties of S32900 are as follows:

· Tensile strength: ≥590 MPa20 or ≥620 MPa

· Yield strength: ≥390 MPa20 or ≥450 MPa

· Elongation: ≥18%20 or ≥25%

· Sectional shrinkage: ≥40%

Application areas

Due to its corrosion resistance and high strength, S32900 is widely used in:

· Seawater corrosion equipment

· Heat exchangers for industrial water cooling media

· Chemical, papermaking and food processing equipment

· Shipbuilding

· Oil and Gas Industry

Related Standards

S32900 complies with multiple international and regional standards, including:

· American ASTM standard: 329

· Japanese JIS standard: SUS329J1

· German DIN standard: 1.4460

· European EN standard: X3CrNiMoN27-5-3

· American UNS number: 329

Processing and welding

S32900 has good processing performance and can be processed by cutting, bending, stamping and other processing operations. In terms of welding, S32900 has excellent welding performance and the weld quality is stable and reliable.

Corrosion resistance

S32900 has good corrosion resistance in oxidizing media, especially in chloride environments, showing excellent corrosion resistance.

Heat treatment

S32900 can optimize its performance through solution treatment. The usual heat treatment heating temperature is 950~1100°C, followed by rapid cooling.

Common Surfaces

Stainless Steel Standards Comparison Table

STS	USA	UNS	CHINA	EURONORM		RUSSIA	SWEDISH	JAPANESE
GRADE	AISI/ASTM	NO	GB	NO	NAME	GOST	SS	JIS
201	201	S20100	12Cr17Mn6Ni5N	1.4372	-	-	-	SUS 201
301	301	S30100	12Cr17Ni7	1.4310	X 12 CrNi 17 7	-	2331	SUS 301
303	303	S30300	1Cr18Ni9MoZr	1.4305	X 10 CrNiS 18 9	-	2346	SUS 303
304	304	S30400	06Cr18Ni9	1.4301	X 6 CrNi 18 10	08KH18N10 06KH18N11	2332	SUS 304
304L	304L	S30403	022Cr19Ni10	1.4307	X 3 CrNi 18 10	03KH18N11	2352	SUS 304L
316	316	S31600	0Cr17Ni12Mo2	1.4401	X 6 CrNiMo 17 12 2	-	2347	SUS 316
316L	316L	S31603	022Cr17Ni12Mo2	1.4404	X 3 CrNiMo 17 12 2	-	2348	SUS 316L
316Ti	316Ti	S31635	0Cr18Ni12Mo2Ti	1.4571	X 6 CrNiMoTi 17 12 2	08KH17N13M2T 10KH17N13M2T	2350	-
321	321	S32100	0Cr18Ni11Ti	1.4541/1.4878	X 6 CrNiTi 18 10	12KH18N10T	2337	SUS 321
347	347	S34709	0Cr18Ni11Nb	1.4550	X 6 CrNiNb 18 10	-	2338	SUS 347
309S	309S	S30908	0Cr23N13	1.4833	X 6 CrNi 22 13	20KH23N18	-	SUS 309S
310S	310S	S31008	06Cr25Ni20	1.4842	X 6 CrNi 25 20	20KH25N20S2	2361	SUS 310S
416	416	S41600	Y1Cr13	1.4005	X12CrS13	-	2380	SUS 416
2205	2205	S32205/S31803	00Cr22Ni5Mo3N	1.4462	X2CrNiMoN22-5-3	02Ch22N5AM2	2377	SUS 329J3L
2507	2507	S32750	00Cr25Ni7Mo4N	1.4410	X 2 CrNiMoN 25-7-4	-	-	-
904L	904L	N08904	-	1.4539	-	-	-	-
254SMO	254SMO	S31254	-	1.4547	X1CrNiMoCuN20-18-7	-	2378	-
253MA	253MA	S30815	-	1.4835	X9CrNiSiNCe21-11-2	-	2368	-
17-4PH/630	17-4PH/630	S17400	0Cr17Ni4Cu4Nb	1.4542	X5CrNiCuNb16-4	05Ch16N4D2B	-	SUS630

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