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A335 Seamless Steel Pipe
ASTM A335 steel pipe may be hot finished or cold drawn and subjected to the following finishing heat treatment. The specification covers chrome-molybdenum seamless pipes with excellent corrosion resistance and high temperature tensile strength.
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A335 Seamless Steel Pipe Description

ASTM A335 Pipe is a seamless ferritic alloy-steel Pipe for high temperature service. Pipe of this specification are suitable  for bending, flanging, and similar forming operations, and for fusion  welding. Generally, ASTM A335 P11, P22, and P91 pipelines are used for  power generation and downstream oil and gas, and P5 and P9 grades are  used for refinery applications. A335 steel pipe not  only has high oxidation resistance and high temperature steam corrosion  resistance,but also has good impact toughness,stable durable plasticity  and thermal strength. A335 steel pipes are commonly used to transport high-temperature and high-pressure oil, natural gas and other media.


Product Parameters

Product Name

A335 Seamless Steel Pipe

Standard

EN/DIN/JIS/ASTM/BS/ASME/AISI etc.

Outer Diameter

Seamless: 1/4"-36"

Welding: 21.3mm-3620mm

Round Tube: 1/2"-10"

Square Tube/Rectangular Tube: 15x15mm-400x600mm

Wall Thickness

Seamless: 1.25mm-50mm

Welding: 1.65mm-65mm

Length

3-12 meters, Support customization

Surface Process

Bright, Polished, Black

Other Services

Machining(cnc),  Centerless Grinding(cg), Heat Treatment, Annealing, Pickling,  Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

 

Chemical Composition

A335

UNS

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

A335

UNS

Yield Strength Ksi

Tensile Strength Ksi

Elongation %

P1

K11522

30

55

30

P2

K11547

30

55

30

P5

K41545

40

70

30

P9

S50400

30

60

30

P11

K11597

30

60

20

P12

K11562

32

60

30

P22

K21590

30

60

30

P91

K91560

60

85

20

 

Scope of Application

The specification covers  "chrome-molybdenum" seamless pipes with excellent corrosion resistance  and high temperature tensile strength. Generally, ASTM A335 P11, P22,  and P91 pipelines are used for power generation and downstream oil and  gas, and P5 and P9 grades are used for refinery applications.

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1.7x24 hours online response

7x24 hours online response

Only to give you the best service

2.Punctual delivery

(1) We provide competitive price products on the basis of quality assurance and arrange delivery on time.

(2) We can process different finished products according to your requirements

(3) High production capacity will shorten your waiting time

(4) Accept buyer's specifications

(5) Experienced R&D department

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   FAQ

Q: Are you a trading company or a manufacturer?

A: We are a professional manufacturer and offer a wide range of steel products.

Q: Do you provide samples?

A: Yes, we will provide samples for free, and the express shipping cost will be borne by customers.

Q: Can you customize the products according to our requirements?

A: Yes, just tell us your requirements, we can provide you with customized solutions, such as material, hardness, thickness, width and so on.

Q: Can I visit your factory?

A: Of course you can, we welcome customers from all over the world to visit our factory.

Q: Are the products quality inspected before shipment?

A: Of course, all our products undergo strict quality inspection before packing, and unqualified products will be destroyed. We absolutely accept third party inspection.

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