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Stainless steel SUS 304/304L

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Place of Origin: China

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Keyword: stainless steel sus 304l, stainless steel sus 304l manufacturer, stainless steel sus 304l supplier, stainless steel sus 304l wire

Category: Stainless Steel

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Heanjia Super-Metals Co., Ltd

Membership: BIZ

Country / Year Established: China / 1984

Business type: Manufacturer

Verified Certificate: 8

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PRODUCT DESCRIPTION COMPANY INFORMATION Related Products

Product name	Stainless steel SUS 304/304L	Certification	-
Category	Stainless Steel	Ingredients	-
Keyword	stainless steel sus 304l , stainless steel sus 304l manufacturer , stainless steel sus 304l supplier , stainless steel sus 304l wire	Unit Size	-
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origin	China	Stock	-
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Product Information

Stainless steel SUS 304/304L is the standard stainless steel that is commonly used and introduced in the different types of products, forms and finishes. The balanced austenitic structure of steel 304 enables it to be fully deep drawn without intermediate annealing that has made this alloy a prominent material in the production of drawn stainless parts such as sinks, hollow ware and saucepans. For these applications, it is common to use special grade variants.

SUS 304/304L is brake or roll produced in the different parts for applications in the commercial, architectural and transportation fields. The steel 304 offers excellent welding features, the post welding is not necessary while welding thin regions.

The grade 304L, the low carbon version of 304, does not need post weld annealing and it is broadly used in the heavy gauge parts. Steel 304H with its higher concentration of carbon is useful in the elevated temperatures. The austenitic structure provides superior toughness even at temperatures lower than cryogenic limits.

Chemical Composition

Grade

304

min.

max.

0.08

2.0

0.75

0.045

0.030

18.0

20.0

8.0

10.5

0.10

304L

min.

max.

0.030

2.0

0.75

0.045

0.030

18.0

20.0

8.0

12.0

0.10

304H

min.

max.

0.04

0.10

2.0

0.75

-0.045

0.030

18.0

20.0

8.0

10.5

Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B) max	Brinell (HB) max
304	515	205	40	92	201
304L	485	170	40	92	201
304H	515	205	40	92	201
304H also has a requirement for a grain size of ASTM No 7 or coarser.

Physical Properties

Grade	Density (kg/m³)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (micro-m/m/oC)			Thermal Conductivity (W/m.K)		Specific Heat 0-100oC (J/kg.K)	Electrical Resistivity (nohm.m)
			0-100oC	0-315oC	0-538oC	at 100oC	at 500oC
304/L/H	8000	193	17.2	17.8	18.4	16.2	21.5	500	720

Grade Specification Comparison

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
Grade	UNS No	BS	En	No	Name	Swedish SS	Japanese JIS
304	S30400	304S31	58E	1.4301	X5CrNi18-10	2332	SUS 304
304L	S30403	304S11	-	1.4306	X2CrNi19-11	2352	SUS 304L
304H	S30409	304S51	-	1.4948	X6CrNi18-11	-	-
These comparisons do not provide fix values but only an approximate. The list is purposed as a comparison of functionally similar materials not as a schedule of contractual equivalents.

Possible Alternative Grades

Grade	Reasons to replace SUS 304
301L	When larger work hardening rate grade is needed for fix roll formed or stretch formed parts.
302HQ	Lower work hardening rate is required for cold forging of screws, bolts and rivets.
303	Larger machinability is required and lesser corrosion resistance, formability and weldability are adequate.
316	Great resistance to pitting and crevice corrosion is required in the chloride conditions
321	Larger resistance to temperatures up to 600-900oC is required. Alloy 321 has higher hot strength.
3CR12	Affordable. The lower corrosion resistance and resulting discolouration are acceptable.
430	Affordable and the lower corrosion resistance and fabrication properties are acceptable.

Corrosion Resistance

SUS 304 offers outstanding resistance in the various natural conditions and corrosive conditions. It performs well in the pitting and crevice corrosion conditions in the hot chlorides and stress corrosion cracking up to 60oC. It offers resistance to potable water about 200mg/L chlorides at ambient temperatures, decreasing to 150 mg/L at 60oC.

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Heanjia Super-Metals Co., Ltd

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Country / Year Established: China / 1984

Membership: BIZ

Business type: Manufacturer

President: Jialiang Zhao

Address: Rong Jing Dao, Rongjing West Road, Yizhuang Technical Economic Development Area

Product Category: Other Machinery Parts,Other Minerals & Metallurgy Products

Year Established: 1984

No. of Total Employees: 51-100

Company introduction

A professional and ISO certified manufacturer and supplier of corrosion resistant and high temperature performance metals and alloys such as Nickel,Kanthal, Inconel, Incoloy, Hastelloy, Nichrome, Nilo, Monel and Cupronickel and more are in line. We produce the alloys in the various standard forms including wire, rod, strip, pipes, sheets, tubes, bars, tape and more in the specific sizes as required by our customers. Our factory is established in China and sales office in Seattle, USA. We have worked with the diverse of industrial sectors for example aerospace, marine, automotive, nuclear, power production, pollution control and chemical engineering. Customers are assured of receiving fully tested products for their applications. Speak with our sales executive today.