ASTM A240 Stainless Steel 321 / 321H Sheets & Plates Supplier & Exporter


Stainless Steel UNS S32100 / S32109 Sheets & Plates, SS Sheets & Plates, Stainless Steel Sheets & Plates Supplier


ASME SA 240 Stainless Steel DIN 1.4541 / 1.4878 Sheets & Plates Supplier

Nandishwar Steel is involved in Manufacturing & Exporting of high quality stainless steel 321 sheets, stainless steel 321H plates, stainless steel 321 coils in thickness of 0.3mm to 120mm. that have found extensive applications in various industries. We also deal in Nickel and copper alloy, Stainless & Duplex Steel, Carbon & Alloy Steel, are the materials which are used for designing of stainless steel sheet, plate and coil.

We also supply make of SAIL / ESSAR / JINDAL / TATA / BHUSHAN/ INDIAN / IMPORTED etc material.

Sr. No.
Size (in mm) Thickness
Specification
Manufacturer
1 1000 x 2000 
1220 x 2440 
(4' x 8')
1250 x 2500 
1500 x 3000 To 6000 
2000 x 4000 To 6000
0.3 mm To 120 mm A - 240 Jindal
Sail
Shah Alloys 
Imported Etc.


Specifications

Standards Designation
ASTM A 240
ASME SA 240

STANDARD UNS WERKSTOFF NR.
SS 321 S32100 1.4541
SS 321H S32109 1.4878

 

Composition
Typical compositional ranges for grade 321 stainless steels are given in table 1.
Composition ranges for 321 grade stainless steel Sheets & Plates
Grade
C
Mn
Si
P
S
Cr
Mo
Ni
N
Other
321
min.
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
321H
min.
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
347
min.
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 Properties

Typical mechanical properties for grade 321 stainless steels are given in table 2.
Mechanical properties of 321 grade stainless steel Plates & Sheeets
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 physical properties for annealed grade 321 stainless steels are given in table 3.
Physical properties of 321 grade stainless steel in the annealed condition
Grade
Density (kg/m3)
Elastic Modulus (GPa)
Mean Coefficient of Thermal Expansion (μm/m/°C)
Thermal Conductivity (W/m.K)
Specific Heat 0-100°C (J/kg.K)
Electrical Resistivity (nΩ.m)
0-100°C
0-315°C
0-538°C
at 100°C
at 500°C
321
8027
193
16.6
17.2
18.6
16.1
22.2
500
720

 

Grade Specification Comparison
Approximate grade comparisons for 321 stainless steels are given in table 4.
Grade specifications for 321 grade stainless steel
Grade
UNS No
Old British
Euronorm
Swedish SS
Japanese JIS
BS
En
No
Name
321
S32100
321S31
58B, 58C
1.4541
X6CrNiTi18-10
2337
SUS 321
321H
S32109
321S51
-
1.4878
X10CrNiTi18-10
-
SUS 321H
347
S34700
347S31
58G
1.4550
X6CrNiNb18-10
2338
SUS 347

These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Possible Alternative Grades
Possible alternative grades to grade 321 stainless steels are given in table 5.
Possible alternative grades to 321 grade stainless steel
Grade Why it might be chosen instead of 321
304L The requirement is for resistance to intergranular corrosion, not for high temperature strength
3CR12 Only mild "high temperature" environment is present… up to about 600°C.
304H Only mild "high temperature" environment is present… up to about 800°C.
310 The temperature of the operating environment is up to about 1100°C - too high for 321 or 321H.
S30815
(253MA)
The temperature of the operating environment is up to about 1150°C- too high for 321 or 321H.

 

Other grades of Stainless Steel 321 / 321H Sheets Plates

Stainless Steel 321 Sheets Plates
Stainless Steel 321H Sheets Plates
SS 321 Sheets Plates
SS 321H Sheets Plates
Stainless Steel 321 UNS S32100 Sheets Plates
SS 321H UNS S32109 Sheets Plates
Stainless Steel 321 Din 1.4541 Sheets Plates
SS 321H Din 1.4878 Sheets Plates

Products Range