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Centerway steel specializes in the production of the stainless steel pipe and fittings, and large inventory of resources, Factory direct sales

Stainless steel hollow section,Stainless steel rectangular&square tube,Welded stainless steel pipe
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ASTM A789

ASTM A789 & A790: American Society for Testing and Materials
Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes.
Application: Refineries; Nuclear Plant; Aerospace Industry; Chemical Fertilizer; Petrochemicals' Oli & Gas and etc

Description

A789 Chemical Composition

UNS Designation

C

max

Mn

max

P

max

S

max

Si

max

Ni

Cr

Mo

N

Cu

S31803

0.03

2

0.03

0.02

1

4.5-6.5

21.0-23.0

2.5-3.5

0.08-0.20

-

S31500

0.03

1.20-2.00

0.03

0.03

1.40-2.00

4.25-5.25

18.0-19.0

2.5-3.00

0.05-0.1

-

S32750

0.03

1.2

0.035

0.02

0.8

6.0-8.0

24.0-26.0

3.0-5.0

0.24-0.32

0.5max


A790 Chemical Composition

UNS Designation

C  max

Mn  max

P  max

S  max

Si  max

Ni

Cr

Mo

N

Cu

S31803

0.03

2

0.03

0.02

1

4.5-6.5

21.0-23.0

2.5-3.5

0.08-0.20

-

S32205

0.03

2

0.03

0.02

1

4.5-6.5

22.0-23.0

3.0-3.5

0.14-0.20

-

S32750

0.03

1.2

0.035

0.02

0.8

6.0-8.0

24.0-26.0

3.0-5.0

0.24-0.32

0.5max


A789 Mechanical Properties

UNS Designation

Tensile Strength, 

min ksi [Mpa]

Yield Strength, 

min ksi [Mpa]

Elongation 

in 2 in. or 50 mm, min, %

S31803

90 [620]

65 [450]

25

S31500

92 [630]

64 [440]

30

S32750

116 [800]

80 [550]

15


A790 Mechanical Properties

UNS Designation

Tensile Strength, 

min ksi [Mpa]

Yield Strength, 

min ksi [Mpa]

Elongation 

in 2 in. or 50 mm, min, %

S31803

90 [620]

65 [450]

25

S32205

90 [620]

65 [450]

25

S32750

116 [800]

80 [550]

15


Available Dimension Range

OD(mm/inch)

Wall thickness   (SCH)

10

20

30

STD

40

60

XS

80

100

120

140

160

XXS

…100mm

21.3 (1/2'')

 

 

 

 

 

 

26.7 (3/4'')

 

 

 

 

 

 

33.4 (1'')

 

 

 

 

 

 

42.2 (1 1/4'')

 

 

 

 

 

 

48.3 (1 1/2'')

 

 

 

 

 

 

60.3 (2'')

 

 

 

 

 

 

73 (2 1/2'')

 

 

 

 

 

 

88.9 (3'')

 

 

 

 

 

 

101.6 (3 1/2'')

 

 

 

 

 

 

 

 

114.3 (4'')

 

 

 

 

 

141.3 (5'')

 

 

 

 

 

 

 

168.3 (6'')

 

 

 

 

 

 

219.1 (8'')

 

273 (10'')

 

323.8 (12'')

 

355.6 (14'')

 

 

406.4 (16'')

 

 

457 (18'')

 

 

508 (20'')

 

 

559 (22'')

 

 

 

610 (24'')

 

 

 

 

 

 

660 (26'')

 

 

 

 

 

 

 

 

 

 

711 (28'')

 

 

 

 

 

 

 

 

762 (30'')

 

 

 

 

 

 

 

 

813 (32'')

 

 

 

 

 

 

 

864 (34'')

 

 

 

 

 

 

 

914 (36'')

 

 

 

 

 

 

 

965.2 (38'')

 

 

 

 

 

 

 

 

1016 (40'')

 

 

 

 

 

 

 

 

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