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Hot Rolled Rectangle 409L Polished SS304 Stainless Steel Plate

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Hot Rolled Rectangle 409L Polished SS304 Stainless Steel Plate

Country/Region	china
City & Province	jiangsu
Categories	Other Metal Processing Machinery

Product Details

Hot Rolled Ss Sheet Plate Stainless Steel 304 Plate Rectangle 409L Polished

Product Information

Stainless steels are a family of iron based alloys that contain a
minimum of 10.5% chromium (CR). The presence of chromium creates an
invisible surface film that resists oxidation and makes the
material passive or corrosion resistant (stainless). There are
multiple families of stainless steel which are designed for various
applications and uses. Stainless grades can be further modified to
meet various processing, corrosion, temperature and strength
conditions.

Stainless steel sheet/Plate can be made by cold rolling and hot
rolling, including the thickness of 0.31-6.0 mm sheet and 3.0-60 mm
plate; common type 201, 202, 304, 304L, 316L, 309S, 310S, 317L,
347, 409L, 410S, 420J1/J2, 430, 446 etc.

Hot-rolled stainless steel, mechanical properties not as good as
cold-rolled, but there are good toughness and ductility.
Cold-rolled stainless steel plate due to the good hardening,
toughness is low.

In order to ensure all kinds of stainless steel yield strength,
tensile strength, elongation and hardness and other mechanical
properties to meet the requirements, prior to delivery must be
stainless steel annealing, solution treatment, aging heat
treatment.

Finish	Thickness	Size	Characteristics	Applications
NO.1	3.0-50mm	Width: 1500/1800/2000mm; Length: any length	Finished by hot-rolling, annealing and pickling, characterized by white pickled surface	Chemical industry equipment, Industrial tanks
NO.2B	0.3-6.0mm	Width: 1000/1219/1500mm; Length: any length	Finished by heat treatment, pickling after cold rolling, followed by skin pass line to be more brighter and smooth surface	General Application Medical Instruments,Tableware
No. BA (Bright Annealed)	0.3-2.0mm	Width: 1000mm,1219mm; Length: any length	Bright heat treatment after cold rolling	Kitchen utensil, kitchen ware,architectural purpose
NO.4 satin	0.3-3.0mm	Width: 1000/1219/1500mm; Length: any length	Polishing with No. 150 to No.180 mesh abrasivesThe most popular finishes	Milk & Food processing acilities, Hospital Equipment, Bath-tub
NO.8 (8K mirror)	0.3-8.0mm	Width: 1000/1219/1500mm; Length: any length	A mirror-like reflective surface by polishing with finer abrasives over 800 mesh	Reflector, Mirror, Interior-Exterior decoration forbuilding
HL (Hairline)	0.3-8.0mm	Width: 1000/1219/1500mm; Length: any length	Finished by continuous linear polishing	Architectural purposes, escalators, kitchen ware vehicles

Applications:

Although Alloy 409 is designed principally for the automotive exhaust industry, it has been successfully used in other industrial applications as well. Some examples of applications that call for Alloy 409 include:

Automotive exhaust systems
Catalytic converters
Mufflers
Tailpipes
Farm equipment
Structural support and hangers
Transformer cases
Furnace components
Heat exchanger tubing

Standards:

ASTM/ASME: UNS S40900
EURONORM: FeMi35Cr20Cu4Mo2
DIN: 2.4660

Corrosion Resistance:

Resists atmospheric and exhaust gas corrosion
In most atmospheres a light surface rust will form which inhibits further corrosion but makes the surface less appealing

Heat Resistance

Generally classified as resistant to scaling in intermittent service up to 1499^oF (815^oC ) and up to 1247^oF (675^oC) in continuous service

Weldability

Readily weldable
Pre-heat of 302 to 500^oF (150 to 260^oC) is recommended
Post-weld annealing at 1400 to 1499^oF improved weld ductility
Post-weld annealing is not required when welding thin sections
Automotive exhaust tubing is typically welded without filler metal

Chemical Properties:

	C	Mn	Si	P	S	Cr	Ni	Ti
409	max:0.08	max:1.0	max:1.0	max:0.045	max: 0.045	min: 10.5 max: 11.75	max: 0.5	min: 0.48 max: 0.75

Mechanical Properties:

Grade	Tensile Strength MPa (min)	Yield Strength 0.2% MPa(min)	Elongation %	Hardness (Brinell) MAX	Hardness (Rockwell B) MAX
409	380	207	20	207	95

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