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High-quality 321 stainless steel plates available in thickness range of 3.0 - 80.0mm, ideal for laser cutting applications with excellent high-temperature performance and corrosion resistance.
Product Specifications
Product Type: 321 Stainless Steel Sheet, 321 Stainless Steel Plate Specification: ASTM A240 / ASME SA240 JIS G4305 / EN 10088-2 / GB 24511 Thickness: Cold rolled 0.5-3.0 mm / Hot rolled 3.0-80.0 mm Standard Sizes: Cold rolled 1000×2000mm, 1219×2438mm; Hot rolled 1500×3000mm, 1500×6000mm, 1800×6000mm, 2000×6000mm Finish: SATIN, 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), No.1 finish hot rolled, 1D, No.4, BA, 8K, hairline, brush, mirror Brand: TISCO, BAOSTEEL, POSCO, JISCO, DONGTE Forms / Shapes: Plate, Sheet, Coils, Foils, Strip, Flats, Clad Plate, Plain Sheet, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Shim Sheet, Rolls, Blank (Circle), sheared, annealed, soft annealed, descaled, tread plate, Checker Plate Other Trade Names: SS 321, SUS 321, Inox 321, DIN 1.4541, UNS S32100, AISI 321, SAE 321 Sheet
Material Characteristics
Grades 321 and 347 are austenitic 18/8 steels (similar to Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades resist intergranular corrosion after heating within the carbide precipitation range of 425-850°C. Grade 321 is ideal for applications up to 900°C, offering high strength, scaling resistance, phase stability, and subsequent aqueous corrosion resistance.
Grade 321H features higher carbon content for improved high-temperature strength. Note that titanium does not transfer well across high-temperature arcs, making grade 347 the preferred welding consumable for 321 materials.
Chemical Composition
Grade
C
Mn
Si
P
S
Cr
Ni
Other
321
0.08 max
2.00 max
0.75 max
0.045 max
0.030 max
17.0-19.0
9.0-12.0
Ti=5(C+N) min, 0.70 max
321H
0.04-0.10
2.00 max
0.75 max
0.045 max
0.030 max
17.0-19.0
9.0-12.0
Ti=4(C+N) min, 0.70 max
Mechanical Properties
Grade
Tensile Strength (MPa) min
Yield Strength 0.2% Proof (MPa) min
Elongation (% in 50 mm) min
Hardness Rockwell B (HR B) max
Hardness Brinell (HB) max
321
515
205
40
95
217
321H
515
205
40
95
217
Grade Specification Comparison
Grade
UNS No
British BS
Euronorm No
Japanese JIS
321
S32100
321S31
1.4541
SUS 321
321H
S32109
321S51
1.4878
SUS 321H
Typical Applications
Aircraft piston engine manifolds
Expansion joints
Firearms production
Thermal oxidizers
Refinery equipment
High temperature chemical process equipment
Product Gallery
About Our Company
GMS is a medium-sized professional company integrating wholesale sales and processing of stainless steel materials, providing customers with comprehensive services including sales, processing, and logistics distribution.
Our products serve numerous industries including nuclear power engineering, petrochemical, electric furnace, boiler, pressure vessel, electric heating equipment, textile, pharmaceutical, mechanical equipment, kitchen equipment, solar energy, and papermaking equipment, with customers nationwide.
Main products include: 321, 310s, 309S, 316L, 304, 316TI, 410S, 202, 201, 904L, 317L, 2205, 2304 duplex stainless steel, as well as 800H, 600H high nickel alloys. We maintain over 3000 tons of standing stock and can arrange special orders for unique steel types and specifications. Additional services include embossing (domestic and Japanese), mirror polishing, plate polishing, grinding, flattening, and cutting (laser, water knife, plasma) to meet diverse customer requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview ：
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview ：
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...
