EN 1.4301, ASTM TYPE 304 / UNS S30400 Stainless Steel

EN 1.4301, ASTM TYPE 304 / UNS S30400 Stainless Steel

EN 1.4301, ASTM TYPE 304 / UNS S30400 Stainless Steel General Characteristics 304/4301 is a classic 18% chromium, 8% nickel austenitic stainless steel. It's an all-purpose product with good corrosion resistance and is suitable for a wide variety of applications that require good formability...
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EN 1.4301, ASTM TYPE 304 / UNS S30400 Stainless Steel

General Characteristics

304/4301 is a classic 18% chromium, 8% nickel austenitic stainless steel. It's an all-purpose product with good corrosion resistance and is suitable for a wide variety of applications that require good formability and weldability. 304/4301 can be delivered with a variety of surface finishes.


304/4301 is an austenitic stainless steel, which belongs to the standard CrNi stainless steel family. 304/4301 is the basic variant with normal carbon and nickel content.


The austenitic CrNi standard grades are the most widely used group of stainless steels. Their well-balanced material properties make them suitable for the fabrication of many products.


304/4301 is commonly available from many stainless steel stockists in many product forms and dimensions. It can be supplied with a wide range of functional and aesthetic surface finishes.


Typical Applications

Household appliances and consumer goods

Kitchen equipment

Indoor and outdoor cladding, handrails, and window frames

Food and beverage industry equipment

Storage tanks

Flanges and valves


Product forms, available sizes and finishes

Flat

Product typeFinishesThicknessWidth
Black hot band

1U

1,50-12,70

800-2070

Cold rolled coil

2B, 2BB, 2C, 2D, 2E, 2F, 2G, 2H, 2J, 2K, 2M, 2R, 2W

0,05-6,35

3-2070

Cold rolled sheet

2B, 2BB, 2C, 2D, 2E, 2F, 2G, 2H, 2J, 2K, 2M, 2R, 2W

0,25-6,35

18-2070

Hot rolled coil, pickled

1C, 1D, 1E, 1G, 1H, 1M, 1U

1,00-12,70

50-2070

Precision strip

2H, 2R

0,05-1,50

3-649

Quarto plate

1D, 1G

5,00-130,00

400-3200


Long

Product typeThicknessWidth
Bloom

395,00-405,00

295-305

Cast billet

127,00-180,00

127-180

Cast slab

165,00-305,00

1000-1585

Forged billet round

200,00-230,00

200-230

Forged billet square

200,00-230,00

200-230

Hot rolled / Black bar round

75,00-230,00

75-230

Peeled / turned bar round

70,00-170,00

70-170

Rolled billet round

75,00-200,00

75-200

Rolled billet square

75,00-200,00

75-200

Wire rod (Rod coil) hex

9,00-27,00

9-27

Wire rod (Rod coil) round

5,00-27,00

5-27

Wire rod (Rod coil) square

9,00-24,00

9-24


Chemical Composition

The typical chemical composition for this grade is given in the table below, together with composition limits given for the product according to different standards. The required standard will be fully met as specified on the order.


The chemical composition is given as % by mass.


CMnCrNiMoN

Typical

0.04


18.1

8.1



Arsopi MTS 2019-98-30

≤0.03

≤2.00

17.5-19.5

9.01-10.50


≤0.10

ASME II A SA-240

≤0.07

≤2.00

17.5-19.5

8.0-10.5


≤0.10

ASTM A240

≤0.07

≤2.00

17.5-19.5

8.0-10.5


≤0.10

ASTM A666

≤0.08

≤2.00

18.0-20.0

8.0-10.5


≤0.10

EN 10028-7

≤0.07

≤2.00

17.5-19.5

8.0-10.5


≤0.10

EN 10088-2

≤0.07

≤2.0

17.5-19.5

8.0-10.5


≤0.10

EN 10088-3

≤0.07

≤2.00

17.5-19.5

8.0-10.5


≤0.10

EN 10088-4

≤0.07

≤2.0

17.5-19.5

8.0-10.5


≤0.10

GOST 5632-72

≤0.12

≤2.0

17.0-19.0

8.0-10.0

≤0.35

≤0.10

GOST 5632-72 Chemical analysis

≤0.12

≤2.0

17.0-19.0

8.0-10.0

≤0.35

≤0.10

IS 6911

≤0.07

≤2.00

17.5-19.5

8.0-10.5

≤0.70

≤0.10

IS 6911

≤0.07

≤2.00

17.5-19.5

8.0-10.5

≤0.70

≤0.10

MSP4002

≤0.07

≤2.00

17.5-19.5

8.0-10.5


≤0.10


Mechanical Properties

The mechanical properties of the available products in soft annealed condition at room temperature are given in the table below. Moderate strengths can be reached at elevated temperatures (~550 °C). Temperatures for excessive scaling are close to 850 °C. This grade, along with other austenitic corrosion-resistant steels, exhibits very high ductility and high elongation to fracture. It is not susceptible to brittle fracture in the solution annealed condition.


Due to the high impact toughness and tensile properties at very low temperatures this grade is applicable for cryogenic applications down to -196 °C. This austenitic grade is also available in the temper rolled condition. Higher product strength can be achieved, when the final cold rolling process is controlled and the material is left in a work hardened condition. Strength classes are given in the standards EN 10088-2 and ASTM A666-03.


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StandardRp0.2Rp1.0RmElongationRockwellHB

MPa

MPa

MPa

%



Product type: Cold rolled coil and sheet

Typical (thickness 1 mm)

285

315

640

70



ASME II A SA-240

≥ 205


≥ 515



≤ 201

ASTM A240

≥ 205


≥ 515


≤ 92HRB

≤ 201

EN 10028-7

≥ 230

≥ 260

540-750

≥ 45



EN 10088-2

≥ 230

≥ 260

540-750

≥ 45



EN 10088-4

≥ 230

≥ 260

540-750

≥ 45



GOST 5632-72

≥ 230

≥ 260

540-670

≥ 45



IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201

IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201

Product type: Hot rolled coil and sheet

Typical (thickness 4 mm)

285

340

625

55


175

ASME II A SA-240

≥ 205


≥ 515



≤ 201

ASTM A240

≥ 205


≥ 515



≤ 201

EN 10028-7

≥ 230

≥ 260

520-720

≥ 45



EN 10088-2

≥ 230

≥ 260

520-720

≥ 45



EN 10088-4

≥ 230

≥ 260

520-720

≥ 45



GOST 5632-72

≥ 230

≥ 260

540-670

≥ 45



IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201

IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201

Product type: Hot rolled quarto plate

Typical (thickness 15 mm)

270

300

600

55



Arsopi MTS 2019-98-30

≥ 210

≥ 250

520-720

≥ 45



ASME II A SA-240

≥ 205


≥ 515


≤ 92HRB

≤ 201

ASTM A240

≥ 205


≥ 515


≤ 92HRB

≤ 201

EN 10028-7

≥ 210

≥ 250

520-720

≥ 45



EN 10088-2

≥ 210

≥ 250

520-720

≥ 45



EN 10088-4

≥ 210

≥ 250

520-720

≥ 45



IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201

IS 6911

≥ 205


≥ 515


≤ 92HRB

≤ 201

MSP4002

≥ 210

≥ 250

520-720

≥ 45



Product type: Wire rod

Typical

290

330

600

55




Physical Properties

Physical properties according to EN 10088-1 are given in the table below.

DensityModulus of elasticityThermal exp. at 100 °CThermal conductivityThermal capacityElectrical resistanceMagnetizable

kg/dm3

GPa

10-6/°C

W/m°C

J/kg°C

µΩm


7.9

200

16

15

500

0.73

No


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