Stainless Steel

Stainless steel is a type of steel that contains chromium, which makes it highly resistant to rust and corrosion. Stainless steel is commonly used in many industries, including construction, automotive, and aerospace, due to its durability and aesthetic qualities.

Specifications :

ASTM

A312, A376,A358, A269,
A249, A403, A182, A351

ASME

SA312, SA376, Pressure SA358,
SA269, SA249,SA403, SA182, SA351

Chemical Compositions :

Grade

C

Cr

Ni

Mo

Others

304

0.08

18.0~ 20.0

8.00~ 10.50

-

-

304L

~0.030

18.0~ 20.0

9.00~ 13.00

-

-

310S

~0.08

24.0~ 26.0

19.0~ 22.0

-

-

316

~0.08

16.0~ 18.0

10.0~ 14.0

2.00~ 3.00

-

316L

~0.08

16.0~ 18.0

12.0~ 15.0

2.00~ 3.00

-

316Ti

0.08

16.0~ 18.0

10.0~ 14.0

2.00~ 3.00

Ti 5xC% ~

317L

0.03

18.0~ 22.0

11.0~ 15.0

3.00~ 4.00

-

321

~0.08

17.0~ 19.0

9.00~ 13.0

-

Ti 5xC%~

347

0.08

17.0~ 19.0

9.00~ 13.0

-

Nb10xC%~

Mechanical Properties :

Grade

Yield Strength (0.2%)
(N/mm²

Tensile Strength
(N/mm²)

Elongation (%)

Hardness (Hv)

304

205~

520~

40~

~200

304L

175~

480~

40~

~200

310S

205~

520~

40~

~200

316

205~

520~

40~

~200

316L

175~

480~

40~

~200

316Ti

205~

520~

40~

~200

317L

175~

480~

40~

~200

321

205~

520~

40~

~200

347

205~

520~

40~

~200

Physical Properties :

Grade

Specific Heat J/g °C

Specific Gravity

Thermal Expansion Coefficient
W/m·°C
(20-100°C)

Thermal Conductivity
W/m·°C
(100°C)

304

0.50

7.93

17.3

16.3

304L

0.50

7.93

17.3

16.3

310S

0.50

7.98

15.9

14.2

316

0.50

7.98

15.9

16.3

316L

0.50

7.98

15.9

16.3

316Ti

0.50

7.98

15.9

16.3

317L

0.486

7.98

16.5

14.4

321

0.50

7.93

16.7

16.1

347

0.50

7.98

16.7

16.1