ASTM A240/ ASME SA 240 Grade 420 Stainless Steel Sheet




Stainless Steel 420 Plate Suppliers, SS 420 Plate Manufacturer

420 Stainless Steel Plate Supplier

Superior Steel Overseas is most trustworthy manufacturer and supplier of ASTM A240 TP420 Plate.We maintain over 1000 ton SS 420 Plates in various shape,sizes & coating which makes us one of the largest stockholder 420 SS Plate in India.We are largest stockist and exporter of ASTM A240 TP420 Stainless steel Plate in india.We offer 420 stainless steel plate in various sizes at best price.We are well known trader of Stainless Steel 420 Plates in India .We producing supplier of stainless steel 420 plate & SS 420 Sheet from many years.We are ISO 9001:2008 certified manufacturer manufacturer of ASTM A240 Grade 420 plate & now we became Distributor of UNS S42000 Sheet & DIN 1.4021 Stainless Steel Plate.

ASTM A240 SS 420 Plate Specifications

Description ASTM A240 / ASME SA240 Stainless Steel Plates, ASTM A240 Hot Rolled Stainless Steel Plates
Standard ASTM, ASME, BS, DIN, EN
Material 310S, 310, 309, 309S, 316, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, 304, 304L,
302, 301, 201, 202, 403, 405, 409, 409L, 410, 410S, 420, 430, 631, 904L, Duplex, etc
Specification Cold rolled: 1219mm * 2438mm (4′ x 8′), 1219mm * 3048mm (4′ x 10′), 1220mm * 2440mm, 1250mm * 2500mm or as your requirement.

Hot rolled: 1500mm * 2000mm, 1000mm * 3000mm, 1500mm * 4000mm, 1500m * 6000mm or as your requiremnt.

Technique Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Etc.
Surface 2B, 2D, BA, NO. 1, NO. 4, NO.8, 8K, Mirror, Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching
Thickness 0.25-200mm,  0.3mm to 120mm
Width 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm
Length 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm
Package Standard Export Seaworthy Package, or as required.
Value Added Services Cladding,Heat Treatment,Annealed, Pickling, Polish,Rolling,Cutting,Bending,Forging,Minor Fabrication Etc.
 MTC Mill Test Certificate, Available as per EN 10204 3.1

ASTM A240 Stainless Steel 420 Chemical Composition

Grade

C

Mn

Si

P

S

Cr

420

min.

max.

0.15

1

1

0.040

0.03

12.0

14.0

ASTM A240 TP420 Stainless Steel Plate Physical Properties

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

420

7800

200

10.3

10.8

11.7

24.9

460

550

ASTM A240 Stainless Steel 420 Plate Mechanical Properties

Tempering Temperature (°C)

Tensile Strength (MPa)

Yield Strength
0.2% Proof (MPa)

Elongation (% in 50mm)

Hardness Brinell (HB)

Impact Charpy V (J)

Annealed *

655

345

25

241 max

204

1600

1360

12

444

20

316

1580

1365

14

444

19

427

1620

1420

10

461

#

538

1305

1095

15

375

#

593

1035

810

18

302

22

650

895

680

20

262

42

SS 420 Plate Equivalent grades

JIS G4304 ASTM UNS KS EN10095 AS CNS
SUS420J1 420 S42000 STS420J1 1.4021 420 420J1

420 Stainless Steel Plate Gauges

NOMINAL DECIMAL STANDARD VARIANCE FROM
METAL GAUGE (APPROXIMATE INCHES) NOMINAL DECIMAL  (+/- INCHES)
7 0.1793 0.0080
8 0.1644 0.0080
9 0.1495 0.0080
10 0.1345 0.0070
11 0.1196 0.0050
12 0.1046 0.0050
13 0.0897 0.0050
14 0.0747 0.0040
15 0.0673 0.0040
16 0.0598 0.0030
17 0.0538 0.0030
18 0.0478 0.0030
19 0.0418 0.0030
20 0.0359 0.0030
21 0.0329 0.0025
22 0.0299 0.0020
23 0.0269 0.0020
24 0.0239 0.0020
25 0.0209 0.0015
26 0.0179 0.0015
28 0.0149 0.0010

ASTM A240 SS 420 Plate Tolerances

Gauge LB/Sq. Ft. LB/Sq In. Gauge Tolerance
72″ Wide 96″ Wide
3/16 0.1875 8.579 0.05958 +.045″ -.010″ +.050″ -.010″
7/32 0.2187 9.870 0.06854
1/4 0.2500 11.162 0.07750
5/16 0.3125 13.746 0.09546
3/8 0.3750 16.496 0.11456 +.055″ -.010″ +.060″ -.010″
7/16 0.4375 19.080 0.13250
1/2 0.5000 21.633 0.15044
9/16 0.5625 24.247 0.16838
5/8 0.6250 26.831 0.18633
11/16 0.6875 29.415 0.20427
3/4 0.7500 32.123 0.22308 +.060″ -.010″ +.065″ -.010″
13/16 0.8125 34.707 0.24102
7/8 0.8750 37.291 0.25897
15/16 0.9375 39.875 0.27691
1 1.0000 42.665 0.29628 +.070″ -.010″ +.075 -.010″
1-1/8 1.1250 47.833 0.33217
1-1/4 1.2500 53.001 0.36806
1-3/8 1.3750 58.169 0.40395
1-1/2 1.5000 63.337 0.43984
1-3/4 1.7500 73.672 0.51161
2 2.0000 84.008 0.58339 +.125″ -.010″ +.150″ -.010″
2-1/8 2.1250 89.610 0.62229
2-1/4 2.2500 94.777 0.65817
2-1/2 2.5000 105.113 0.72995
2-3/4 2.7500 115.449 0.80173
3 3.0000 126.301 0.87709 +.150″ -.010″ +.160″ -.010″
3-1/2 3.5000 146.972 1.02064
4 4.0000 168.264 1.16850 +.180″ -.010″ +.200″ -.010

420 Stainless Steel Plate Stock

ASTM A240 TP420 Stainless Steel 2B Finish Plate ASTM A240 TP420 Stainless Steel Cold Rolled Plates
ASTM A240 TP420 Stainless Steel 4 Finish Plate ASTM A240 TP420 Stainless Steel 2D Finish Plate
ASTM A240 TP420 Stainless Steel CR Plates ASTM A240 TP420 Stainless Steel 8 Finish Plate
ASTM A240 TP420 Stainless Steel Hot Rolled Plates Stainless Steel ASTM A240 TP420 HR Plates
ASTM A240 TP420 Stainless Steel Plates ASTM A240 TP420 Stainless Steel Chequered Plate
ASTM A240 TP420 Stainless Steel Cut to Size Plate ASTM A240 TP420 Stainless Steel High quality plate
ASTM A240 TP420 Stainless Steel Bright Annealed Finish Plate ASTM A240 Stain Finish Stainless Steel 420 Plate
ASTM A240 Hair Line Finished Stainless Steel 420 Plate ASTM A240 TP420 Stainless Steel Plate
ASTM A240 TP420 Plates ASTM A240 TP420 Sheets
ASTM A240 TP420 Stainless Steel Plate ASTM A240 TP420 Stainless Steel Plates
ASTM A240 TP420 Stainless Steel Perforated Sheet ASTM A240 TP420 Stainless Steel Plates
ASTM A240 TP420 Stainless Steel Plates ASTM A240 TP420 Steel Plate
ASTM A240 Type 420 High Quality Plate ASTM A240 TP420 Stainless Steel Perforated Sheet
ASTM A240 TP420 Stainless Steel Designer Sheet ASTM A240 TP420 Stainless Steel Chequered Sheet
ASTM A240 TP420 Stainless Steel Polished Plate ASTM A240 TP420 Stainless Steel Flat Plate
ASTM A240 TP420 Stainless Steel Diamond Plate ASTM A240 TP420 Stainless Steel Floor Plate
ASTM A240 TP420 Stainless Steel Shim Plate ASTM A240 Type 420 20 mm Thick Stainless Steel Plate
ASTM A240 Type 420 2mm stainless steel plate ASTM A240 TP420 Stainless Steel Textured Plate
ASTM A240 TP420 Stainless Steel Clad Plate ASTM A240 Type 420 4’x8′ Stainless Steel Plate
ASTM A240 Type 420 5 X 10 Stainless Steel Plate ASTM A240 Type 420 Brushed Stainless Steel Plate
ASTM A240 Type 420 Mirror Plates ASTM A240 S42000 Plate
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