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SS 321, SUS 321, Inox 321, DIN 1.4541, UNS S32100, AISI 321, SAE 321 Sheet
Our Services
Laser cutting, Fire cutting, bending, Surface polishing, PVC film cover
Material Overview
Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850°C.
Grade 321 is the preferred 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 higher carbon content to provide improved high-temperature strength.
Like other austenitic grades, 321 and 347 have excellent forming and welding characteristics, are readily brake or roll-formed and have outstanding welding characteristics. Post-weld annealing is not required. They also have excellent toughness, even down to cryogenic temperatures.
Chemical Composition
Typical compositional ranges for grade 321 stainless steel sheets:
Grade
C
Mn
Si
P
S
Cr
Ni
Other
321
≤0.08
≤2.00
≤0.75
≤0.045
≤0.030
17.0-19.0
9.0-12.0
Ti=5(C+N) min, 0.70 max
321H
0.04-0.10
≤2.00
≤0.75
≤0.045
≤0.030
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 50mm) 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 Images
About Our Company
GMS is a medium-sized professional company integrating wholesale sales and processing of stainless steel materials, providing customers with one-stop services of sales, processing and logistics distribution.
GMS products mainly serve nuclear power engineering, petrochemical, electric furnace, boiler, pressure vessel, electric heating equipment, textile, pharmaceutical, mechanical equipment, kitchen equipment, solar energy, papermaking equipment and many other industries, with customers throughout the country.
Our 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 standing stock of more than 3000 tons and can arrange special orders for unique steel requirements and specifications.
To meet diverse customer needs and achieve one-stop procurement services, we provide embossing (domestic and Japanese), mirror polishing, plate polishing, grinding, flattening, and cutting services (laser, water jet, plasma) according to customer requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification:
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...