304 Hot Rolled No.1 Surface Stainless Steel Plate

304 Hot Rolled No.1 Surface Stainless Steel Plate

304 Hot Rolled No.1 Surface Stainless Steel Plate Chemistry % by Weight Possible Alternative Grades Possible alternative grades to 304 grade stainless steel: - Grade 301L: It is applicable for higher work hardening rate grade. It could be required for certain roll formed or stretch formed...
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Product Details

304 Hot Rolled No.1 Surface Stainless Steel Plate

Chemistry % by Weight

Element

Type 302

Type 304

Type 304L

Type 305

Fe

64.99-74%

Cr

17%

18%

18%

17%

Ni

8%

8%

8%

10.50%

Mn

2%

2%

2%

2%

N

0.10%

0.10%

0.10%

-

S

0.03%

0.03%

0.03%

0.03%

C

0.15%

0.08%

0.03%

0.12%

Si

0.75%

0.75%

0.75%

0.75%

P

0.045%

0.045%

0.045%

0.045%


Possible Alternative Grades

Possible alternative grades to 304 grade stainless steel:

- Grade 301L: It is applicable for higher work hardening rate grade.
It could be required for certain roll formed or stretch formed components.

- Grade 302HQ: Lower work hardening rate grade. It could be needed for cold forging of screws, bolts and rivets.

- Grade 303: Higher machinability needed; lower corrosion resistance; acceptable formability and weldability.


- Grade 316: Used when higher resistance to pitting and crevice corrosion is required, also in chloride environments

- Grade 321: Better resistance to temperatures of around 600-900°C. It has higher hot strength.

- Grade 3CR12: It has lower cost; reduced corrosion resistance and resulting discoloration are acceptable.

- Grade 430: It has lower cost; reduced corrosion resistance and fabrication characteristics are acceptable.


Properties

Value

Comment

Physical Properties



Density

8.03 g/cc


Mechanical properties



Hardness, Rockwell B

82


Tensile Strength, Ultimate

621 Mpa (=90100psi)


Tensile Strength, Yield

290 Mpa (=42100psi)

0.2% YS

Elongation at Break

55%

in 2 inches

Modulus of Elasticity

193 Gpa

tension

Modulus of Elasticity

78 Gpa

torsion

Electrical properties



Electrical Resistivity

0.000116 ohm-cm

659 °C

Electrical Resistivity

7.2e-005 ohm-cm


Magenetic permeability

Max 1.02

H = 200 Oersteds, Annealed

Thermal properties



CTE, linear 20°C

16.9 µm/m-°C

0 to 100°C

CTE, linear 20°C

18.7 µm/m-°C

to 649°C

Heat Capacity

0.5 J/g-°C

0°C to 100°

Thermal Conductivity

16.2 W/m-K

100°C

Thermal Conductivity

21.4 W/m-K

500°C

Processing properties



Melt temperature

1371- 1399 °C



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