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304(1.4301) Stainless Steel pipe/tube
Introduction

Type 304(1.4301) Stainless Steel is the most widely used of the austenitic (chromium/nickel) stainless steels. In the annealed condition it is essentially non-magnetic and becomes slightly magnetic with the application of cold work. Type 304L Stainless Steel is preferred in welding applications to exclude the formation of chromium carbides during cooling in the heat affected region of the weld. These alloys represent an excellent combination of corrosion resistance and fabricability.


Type

304(1.4301) stainless steel pipe/tube

Thickness

1-30mm

Outer diameter

6-630mm

Length

6m or as customer's requirement

Finish

Polished, Pickled,hairline,mirror

Shap

Round,square, rectangular,oval

Technology

Seamless,weld

Standard

JIS, AISI, ASTM, GB, DIN, EN ,etc.

MOQ

2 Ton

Application

decoration, industry, etc.

Certificate

SGS

Packaging

Standard exporting packing


Product Forms:
Stainless steel wire rod,stainless steel pipe/tube,stainless steel flat bar,stainless steel angel bar...

Processing:
304(1.4301) cannot be hardened by thermal treatment. Annealing: Heat to 1850o F to 2050 o F and cool at sufficiently high rates through 1500oF to 800oF to avoid precipitation of chromium carbides. Stress Relief Annealing: Cold worked parts should be stress relieved at 750oF for 1/2 to 2 hours.

Oxidation Resistance:
The maximum temperature to 304 stainless steels can be exposed continuously without appreciable scaling is about 899℃.For intermittent exposure,the maximum exposure temperature is about 816℃.

Forming:
Annealed Types 304 can be fabricated by roll forming, deep drawing, bending and most other fabrication techniques. Due to the high work hardening rate of these materials, intermediate anneals maybe required to successfully fabricate the part.

Machinability:
Like most other austenitic steels,these grades machine with roung and stringy chips, therefore, chip curlers can be beneficial.

Welding:
Types 304(1.4301) is weldable by most fusion or resistance welding techniques. If filler metal is required, Type 308 is normally used.

Application:
·Decoration and Construction
·Mechanical mechanism
·Heat exchanger pipe
·Mechanical processing board
·Producing practical stainless steel products

Specification

Specifications of stainless steel decorative pipe

Standard

0.6

0.7

0.8

0.9

1

1.2

1.5

2

2.5

3

3.5

4

4.5

Actual

0.32

0.4

0.5

0.6

0.7

0.9

1.1

1.4

1.9

2.4

2.9

3.4

3.9

Φ

12.3

0.57

0.71

0.88

1.05

1.21

1.53

1.84







Φ

12.7

0.59

0.74

0.91

1.09

1.26

1.91

1.91







Φ

15.3

0.72

0.89

1.11

1.32

1.53

2.33

2.33







Φ

16

0.75

0.93

1.16

1.38

1.6

2.45

2.45

3.06






Φ

17.2

0.81

1

1.25

1.49

1.73

2.19

2.65

3.31






Φ

18

0.85

1.05

1.31

1.56

1.81

2.3

2.78

3.47






Φ

19

0.89

1.11

1.38

1.65

1.91

2.43

2.94

3.68

4.86





Φ

20.2

0.95

1.18

1.47

1.76

2.04

2.6

3.14

3.93

5.2





Φ

22

1.04

1.29

1.61

1.92

2.23

2.84

3.43

4.31

5.71





Φ

25

1.18

1.47

1.83

2.19

2.54

3.24

3.93

4.94

6.56





Φ

28

1.32

1.65

2.06

2.46

2.86

3.65

4.42

5.57

7.41





Φ

29.2

1.38

1.72

2.14

2.57

2.98

3.81

4.62

5.82

7.75





Φ

31.8

1.51

1.88

2.34

2.8

3.25

4.16

5.04

6.36

8.49

10.55

12.53



Φ

35.8

1.7

2.12

2.64

3.16

3.67

4.69

5.7

7.2

9.63

11.98

14.26



Φ

38

1.8

2.25

2.8

3.35

3.9

4.99

6.07

7.66

10.25

12.77

15.22



Φ

42


2.49

3.1

3.71

4.32

5.52

6.72

8.5

11.39

14.21

16.95



Φ

48


2.85

3.55

4.25

4.95

6.34

7.71

9.75

13.09

16.36

19.55



Φ

50.8


3.01

3.76

4.5

5.24

6.71

8.17

10.34

13.89

17.36

20.76

24.09


Φ

60


3.56

4.45

5.33

6.2

7.95

9.68

12.26

16.5

20.66

24.75

28.77


Φ

63



4.67

5.6

6.52

8.35

10.18

12.89

17.35

21.74

26.05

30.29


Φ

70




6.22

7.25

9.29

11.32

14.36

19.34

24.25

29.09

33.85


Φ

76




6.76

7.88

10.1

12.31

15.61

21.04

26.4

31.69

36.9

42.03

Φ

80




7.12

8.3

10.64

12.97

16.45

22.18

27.84

33.42

38.93

44.36

Φ

85




7.57

8.82

11.31

13.79

17.49

23.6

29.63

35.59

41.47

47.28

Φ

88.9




7.92

9.23

11.84

14.43

18.31

24.71

31.03

37.28

43.45

49.55

Φ

101.6




9.06

10.56

13.55

16.52

20.97

28.32

35.59

42.78

49.91

56.96

Φ

108





11.23

14.41

17.58

22.31

30.13

37.88

45.56

53.16

60.69

Φ

114





11.86

15.21

18.56

23.56

31.84

40.04

48.16

56.21

64.18

Φ

127






16.96

20.7

26.28

35.53

44.7

53.8

62.82

71.76

Φ

133






17.77

21.69

27.54

37.23

46.85

56.4

65.87

75.26

Φ

141






18.85

23

29.21

39.51

49.72

59.86

69.93

79.92

Φ

159







25.96

32.98

44.62

56.18

67.67

79.08

90.42

Φ

168








34.86

47.17

59.41

71.57

83.65

95.66

Φ

219








45.54

61.66

77.7

93.68

109.57

125.39

Standard

0.6

0.7

0.8

0.9

1

1.2

1.5

2

2.5

3

3.5

4

4.5

Actual

0.32

0.4

0.5

0.6

0.7

0.9

1.1

1.4

1.9

2.4

2.9

3.4

3.9



Specifications of stainless steel decorative square pipe

Standard

0.6

0.7

0.8

0.9

1

1.2

1.5

2

2.5

3

3.5

4

4.5

Actual

0.32

0.4

0.5

0.6

0.7

0.9

1.1

1.4

1.9

2.4

2.9

3.4

3.9

10

×

10

0.59

0.74

0.91

1.09

1.26

1.59

1.91







12.7

×

12.7

0.76

0.69

1.17

1.4

1.62

2.06

2.48







15

×

15

0.9

1.12

1.39

1.66

1.93

2.45

2.96







19

×

19

1.14

1.42

1.77

2.12

2.46

3.13

3.8

4.77

6.33





20

×

20

1.2

1.5

1.87

2.23

2.59

3.31

4.01

5.04

6.69





22

×

22

1.32

1.65

2.06

2.46

2.86

3.65

4.43

5.57

7.42





25

×

25

1.51

1.88

2.34

2.8

3.26

4.16

5.06

6.37

8.5





28

×

28

1.69

2.11

2.63

3.14

3.66

4.68

5.68

7.17

9.59

11.93




30

×

30

1.81

2.26

2.82

3.37

3.92

5.02

6.1

7.7

10.31

12.84




36

×

36


2.72

3.39

4.06

4.72

6.05

7.36

9.3

12.48

15.58

38

×

38

2.87

3.58

4.29

4.99

6.39

7.78

9.83

13.2

16.5

19.72

22.86

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