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Thickness 3~200 MM Stainless Steel Sheet Plate SUS321 Mill Finish with Custom Length

Thickness 3~200 MM Stainless Steel Sheet Plate SUS321 Mill Finish with Custom Length

Brand Name: HAOSTEEL TISCO POSCO
Certification: SGS, BV, CCIC
Model Number: HSSP321
Minimum Order Quantity: Negotiation
Delivery Time: 5-10 Woking Days
Payment Terms: L/C, T/T, Western Union
Shanghai Haosteel Co., Limited
Verified Supplier
Shanghai Shanghai China
Business type: Manufacturer Distributor/Wholesaler Agent Importer Exporter Trading Company Seller
A1010, No.581 Xiuchuan road, Pudong new area, Shanghai 201299, China
Supplier`s last login times: within 43 hours

SUS321 stainless steel plate haosteel hot cold rolled 1550mm width mill finish length can cut

Description:

Grades 321 is the basic 18/8 austenitic steel (Grade 304) stabilised with Titanium. This grade is not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850°C. 321 is the grade of choice for applications in the temperature range of up to about 900°C, combining high strength, resistance to scaling and phase stability with resistance to subsequent aqueous corrosion.
Grade 321H is a modification of 321 with a controlled higher carbon content, to provide improved high temperature strength.
Like other austenitic grades, 321 has excellent forming and welding characteristics, is readily brake or roll formed and has outstanding welding characteristics. Post-weld annealing is not required. Grade 321 also has excellent toughness, even down to cryogenic temperatures. Grade 321 does not polish well, so is not recommended for decorative applications.

Specified Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe in their respective specifications.

Composition Specification (%)

GradeCMnSiPSCrNiNOther
321min. max

-

0.08

-

2.00

-

0.75

-

0.045

-

0.030

17.0

19.0

9.0

12.0

-

0.10

Ti=5(C+N)

0.70

321Hmin. max

0.04

0.10

-

2.00

-

0.75

-

0.045

-

0.030

17.0

19.0

9.0

12.0

-

Ti=4(C+N)

0.70

347min. max

-

0.08

-

2.00

-

0.75

-

0.045

-

0.030

17.0

19.0

9.0

13.0

-

Nb=10(C+N)

1.0

Mechanical Property Specification

Grade

Tensile Strength (MPa)

min

Yield Strength

0.2% Proof

(MPa)min

Elongation

(% in 50mm) min

Hardness

Rockwell B

(HR B)max

Brinell (HB)

max

321

515

205

40

95

217

321H

515

205

40

95

217

347

515

205

40

92

201

321H also has a requirement for a grain size of ASTM No 7 or coarser.

Physical Properties (typical values in the annealed condition)

GradeDensity (kg/m3)

Elastic Modulus

(GPa)

Mean Coefficient of Thermal ExpansionThermal Conductivity

Specific Heat

0-100°C

( J/kg.K)

Electrical Resistivity

(nW.m)

0-100°C

(mm/m/°C)

0-315°C

(mm/m/°C)

0-538°C

(mm/m/°C)

at 100°C (W/m.K)at 500°C (W/m.K)
321790019316.617.218.616.122.2500720

Grade Specification Comparison

Grade

UNS

No

EuronormSwedish SSJapanese JIS
NoName
321S321001.4541X6CrNiTi18-102337SUS 321
321HS321091.4878X8CrNiTi18-10-SUS 321H
347S347001.4550X6CrNiNb18-102338SUS 347

Heat Resistance
Good oxidation resistance in intermittent service to 900°C and in continuous service to 925°C. These grades perform well in the 425- 900°C range, and particularly where subsequent aqueous corrosive conditions are present. 321H has higher hot strength, and is particularly suitable for high temperature structural applications.Heat TreatmentSolution Treatment (Annealing) Heat to 950-1120°C and cool rapidly for maximum corrosion resistance.

321 stainless steel plate temperatures, reducing to about 150mg/L at 60°C. Consult hao Technical Assistance for specific environmental recommendations.
This treatment follows normal solution treatment. Heat to approx 870-890°C for 2 hours per 25mm of thickness and air cool. Stabilisation is recommended for most severe service conditions (above 425°C) and particularly for material annealed at the upper side of the annealing temperature range. The exact treatment must be agreed between supplier and purchaser.Stress Relief Heat to 700°C for 1 to 2 hours and air cool. These grades cannot be hardened by thermal treatment.
Welding Excellent weldability by all standard fusion methods, both with and without filler metals. AS 1554.6 pre-qualifies welding of 321 and 347 with Grades 347 or 347Si rods or electrodes.
"Dual Certification"Plate is commonly dual-certified as 321 and 321H, suitable for high temperature applications.Typical ApplicationsExpansion joints. Bellows. Furnace parts. Heating element tubing. Heat exchangers. Screens for high temperatures. Spiral welded tube for burner pipes and flues.

Common Applications

Aerospace – piston engine manifolds

Chemical Processing

Expansion Joints

Food Processing – equipment and storage

Petroleum Refining – polythionic acid service

Waste Treatment – thermal oxidizers

Export Packing:

1. Unit weight: 2-3tons per package or as client request.

2. Packing Type: strong wooden pallet and steel strip reinforcement, or as clients' request.


Product Tags:

stainless steel metal plate

      

standard steel plate

      

Thickness 3~200 MM Stainless Steel Sheet Plate SUS321 Mill Finish with Custom Length Images

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Brand Name :HAOSTEEL
Certification :ISO SGS BV CE