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Duplex Steel Plates, Sheets & Coils
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SS 310 / 310S Sheets & Plates

SS 304 / 304L Sheets & Plates

Stainless steel 304 sheets, stainless steel 304L plates, stainless steel 304 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 offer various grades of stainless steel plates & Stainless Steel Sheets link ss 310 plates, ss 317 sheets & ss 321 plates etc.

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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
Composition
Typical compositional ranges for grade 304 stainless steels are given in table 1.
Composition Ranges for 304 grade stainless steel Sheets & Plates
Grade
C
Mn
Si
P
S
Cr
Mo
Ni
N
304 min.
max.

–
0.08

–
2.0

–
0.75

–
0.045

–
0.030

18.0
20.0

–

8.0
10.5

–
0.10
304L min.
max.
–
0.030

–
2.0

–
0.75

–
0.045

–
0.030

18.0
20.0

–

8.0
12.0

–
0.10
304H min.
max.

0.04
0.10

–
2.0

–
0.75

-0.045

–
0.030

18.0
20.0

–

8.0
10.5

–

 

Mechanical Properties
Typical mechanical properties for grade 304 stainless steels Plates & Sheets are given in table 2.
Mechanical properties of 304 grade stainless steel Sheets & Plates
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
304
515
205
40
92
201
304L
485
170
40
92
201
304H
515
205
40
92
201

304H also has a requirement for a grain size of ASTM No 7 or coarser.

Physical Properties
Typical physical properties for annealed grade 304 stainless steels are given in table 3.
Physical properties of 304 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
304/L/H
8000
193
17.2
17.8
18.4
16.2
21.5
500
720

 

Grade Specification Comparison
Approximate grade comparisons for 304 stainless steels are given in table 4.
Grade specifications for 304 grade stainless steel
Grade
UNS No
Old British
Euronorm
Swedish SS
Japanese JIS
BS
En
No
Name
304
S30400
304S31
58E
1.4301
X5CrNi18-10
2332
SUS 304
304L
S30403
304S11
–
1.4306
X2CrNi19-11
2352
SUS 304L
304H
S30409
304S51
–
1.4948
X6CrNi18-11
–
–

 

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 304 stainless steels are given in table 5.

 

Possible alternative grades to 304 grade stainless steel
Grade Why it might be chosen instead of 304
301L A higher work hardening rate grade is required for certain roll formed or stretch formed components.
302HQ Lower work hardening rate is needed for cold forging of screws, bolts and rivets.
303 Higher machinability needed, and the lower corrosion resistance, formability and weldability are acceptable.
316 Higher resistance to pitting and crevice corrosion is required, in chloride environments
321 Better resistance to temperatures of around 600-900°C is needed…321 has higher hot strength.
3CR12 A lower cost is required, and the reduced corrosion resistance and resulting discolouration are acceptable.
430 A lower cost is required, and the reduced corrosion resistance and fabrication characteristics are acceptable.

 

OTHER GRADES OF STAINLESS STEEL 304 / 304L SHEETS PLATES

Stainless Steel 304 Sheets Plates
Stainless Steel 304L Sheets Plates
SS 304 Sheets Plates
SS 304L Sheets
Stainless Steel UNS S30400 Plates
SS UNS S30403 Sheets Plates
Stainless Steel Din 1.4306 Plates
SS Din 1.4307 Sheets

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