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ASTM A335 Steel Pipe

Sizes:Diameter:16-1016mm

Thickness: 2---120mm

Steel grade: P1 P2 P5 P9 P11 P12 P22

Surface: oiled, black painted to prevent rust

APPLICATION Fileds:Industrial Boilers, Power Plants, Nuclear Plants

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Description

ASTM A335 covers “low-alloy” steel pipes, i.e. pipes that have a total amount of alloying elements below 5%. The addition of higher percentages of alloying elements (example Nickel and Chromium) transforms the steel into higher alloys, like stainless steel, duplex, up to super-alloyed materials like Inconel, Hastelloy, Monel, etc.

Alloy steel pipes are used in the energy industry for high temperature and very low-temperature service (cryogenic), or for applications with very high pressures.

Sizes:Diameter:16-1016mm

Thickness: 2---120mm

Steel grade: P1 P2 P5 P9 P11 P12 P22

Surface: oiled, black painted to prevent rust

APPLICATION Fileds:Industrial Boilers, Power Plants, Nuclear Plants

Centerway steel co.,ltd can provide ASTM A335 Steel Pipe for factory price, passed ISO9001, SGS and other certificates, accept third-party testing, has complete testing and testing facilities, from product development, raw material supply, production process management, etc. in accordance with international quality The system standards are standardized to provide customers with satisfactory pre-sale, in-sale and after-sale services. Feel free to contact us anytime

Specification

A335 Pipe

Over

Under

NPS [DN]

in.

mm

in.

mm

1/8 to 1 1/2 / DN 6 to 40

1/64 (0.015)

0.4

1/64 (0.015)

0.4

Over 1 1/2 to 4 / DN 40 to 100

1/32 (0.031)

0.79

1/32 (0.031)

0.79

Over 4 to 8 / DN 100 to 200

1/16 (0.062)

1.59

1/32 (0.031)

0.79

Over 8 to 12 / DN 200 to 300

3/32 (0.093)

2.38

1/32 (0.031)

0.79

Over 12 / > DN 300

+/- 1% of the specified outside diameter

WALL THICKNESS

The tolerances in WT, in %, from specified are:

1/8 to 2 1/2 [6 to 65] incl., all t/D ratios: over 20%, under 12.5%

Above 2 1/2 [65], t/D < or = 5%: over 22.5%, under 12.5%

Above 2 1/2 [65], t/D > 5%: over 15%, under 12.5%

t = Specified Wall Thickness; D = Specified Outside Diameter)

This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. ASTM A335 pipe ordered to this specification shall be suitable for fusion welding, bending, flanging (vanstoning), and similar forming operations.

Standard

CHEMICAL COMPOSITION

ASTM A335
Low-Alloy Steel
(Grades)

UNS
equivalent

C≤

Mn

P≤

S≤

Si≤

Cr

Mo

P1

K11522

0.10~0.20

0.30~0.80

0.025

0.025

0.10~0.50

0.44~0.65

P2

K11547

0.10~0.20

0.30~0.61

0.025

0.025

0.10~0.30

0.50~0.81

0.44~0.65

P5

K41545

0.15

0.30~0.60

0.025

0.025

0.5

4.00~6.00

0.44~0.65

P5b

K51545

0.15

0.30~0.60

0.025

0.025

1.00~2.00

4.00~6.00

0.44~0.65

P5c

K41245

0.12

0.30~0.60

0.025

0.025

0.5

4.00~6.00

0.44~0.65

P9

S50400

0.15

0.30~0.60

0.025

0.025

0.50~1.00

8.00~10.00

0.44~0.65

P11

K11597

0.05~0.15

0.30~0.61

0.025

0.025

0.50~1.00

1.00~1.50

0.44~0.65

P12

K11562

0.05~0.15

0.30~0.60

0.025

0.025

0.5

0.80~1.25

0.44~0.65

P15

K11578

0.05~0.15

0.30~0.60

0.025

0.025

1.15~1.65

0.44~0.65

P21

K31545

0.05~0.15

0.30~0.60

0.025

0.025

0.5

2.65~3.35

0.80~1.60

P22

K21590

0.05~0.15

0.30~0.60

0.025

0.025

0.5

1.90~2.60

0.87~1.13

P91

K91560

0.08~0.12

0.30~0.60

0.02

0.01

0.20~0.50

8.00~9.50

0.85~1.05

P92

K92460

0.07~0.13

0.30~0.60

0.02

0.01

0.5

8.50~9.50

0.30~0.60

MECHANICAL PROPERTIES

 

 

 

 

 

Hardness

A335 Low-Alloy Pipe

UNS Number

Yield Strength ksi

Tensile Strength ksi

Elongation %

Rockwell

Brinell

P1

K11522

30

55

30

P2

K11547

30

55

30

P5

K41545

40

70

30

207 max

P9

S50400

30

60

30

P11

K11597

30

60

20

P12

K11562

32

60

30

174 max

P22

K21590

30

60

30

P91

K91560

60

85

20

 

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