standard 321 steel pipes weight

Grade

Standard

Wall Thickness

0.30mm-30.0mm

Outer Diameter

8.00mm-508mm

Length

max.12000mm or as demand

Surface finish

Polishing (180#,220#,240#,320#400#,600#), Hairline, Aid Pickling, Inside

weld leveling, Online bright heat)

Manufacture technology

Type

Seamless & Welded

Payment

L/C ,T/T ,D/P, D/A

Package

Standard export packing or following customer's demand

C

Si

Mn

P≤

P≤

Cr

Mo

Ni

Other

201 mid  

copper

≤0.15

≤1.00

7.5-10.5

0.06

0.03

13-15

-

0.8-1.5

Cu>0.8

201 high

copper

≤0.15

≤1.00

7.5-10.5

0.06

0.03

13-15

-

0.8-1.5

Cu>1.4

304

≤0.08

≤1.00

≤2.00

0.045

0.03

18-20

-

8-10.5

-

304L

≤0.03

≤1.00

≤2.00

0.045

0.03

18-20

-

8-10.5

-

316

≤0.08

≤1.00

≤2.00

0.045

0.03

16-18

2-3

10-14

-

316L

≤0.03

≤1.00

≤2.00

0.045

0.03

16-18

2-3

12-15

-

430

≤0.12

≤0.75

≤1.00

0.04

0.03

16-18

-

≤0.6

°

Nominal Diameter(mm)

Outside Diameter(mm)

Nominal Wall Thickness (mm)

N.B

NPS

SCH5S

SCH10S

SCH40S

8

1/4″

13.72

1.65

2.24

10

3/8″

17.15

1.65

2.31

15

1/2″

21.34

1.65

2.11

2.77

20

3/4″

26.67

1.65

2.11

2.87

25

1″

33.4

1.65

2.77

3.38

32

1-1/4″

42.16

1.65

2.77

3.56

40

1-1/2″

48.26

1.65

2.77

3.68

50

2″

60.33

1.65

2.77

3.91

65

2-1/2″

73.03

2.11

3.05

5.16

80

3″

88.9

2.11

3.05

5.49

90

3-1/2″

101.6

2.11

3.05

5.74

100

4″

114.3

2.11

3.05

6.02

125

5″

141.3

2.77

3.4

6.55

150

6″

168.28

2.77

3.4

7.11

200

8″

219.08

2.77

3.76

8.18

   Product Applications

   •Petroleum, Chemical enterprise, super heater of boiler, heat exchanger

   •High temperature resistant transmission fluid pipe in power station

   •Ship with pressure pipe

   •The exhaust purification device

   •Construction and ornament