A333 Seamless & Welded Steel Pipe

ASTM A333 is the standard specification for seamless and welded carbon and alloy steel pipe for low temperature applications or other applications requiring notch toughness. This standard covers several grades of ferritic steel: Grade 3, Grade 4, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10 and Grade 11.
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Product Description

  • Commodity name: A333 Seamless & Welded Steel Pipe

A333 Seamless & Welded Steel Pipe Description

The main components of A333 seamless steel pipe include iron, carbon, chromium, nickel, manganese and other elements. Chromium has excellent corrosion resistance, while the addition of nickel further enhances the corrosion resistance and toughness of the material. A333 seamless steel pipe has high strength and hardness, as well as good plasticity and toughness. These excellent mechanical properties make A333 seamless steel pipe an ideal choice in many high-strength, high-corrosion-resistant application scenarios. A333 seamless steel pipe is commonly used to transport oil and natural gas with high temperature and high pressure owing to the excellent sealing and corrosion resistance.


Product Parameters

Product Name

A333 Seamless & Welded 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

A333

Grade 1

Grade 3

Grade 4

Grade 6

Grade 7

Grade 8

Grade 9

Grade 10

Grade 11

C

0.30

0.19

0.12

0.30

0.19

0.13

0.20

0.20

0.10

Mn

0.40-1.06

0.31-0.64

0.50-1.05

0.29-1.06

0.90

0.90

0.40-1.06

1.15-1.50

0.60

P

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.035

0.025

S

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.015

0.025

Si

-

0.18-0.37

0.08-0.37

0.10 min

0.13-0.32

0.13-0.32

-

0.10-0.35

0.35

Ni

-

3.18-3.82

0.47-0.98

0.40

2.03-2.57

8.40-9.60

1.60-2.24

0.25

35.0-37.0

Cr

-

-

0.44-1.01

0.30

-

-

-

0.15

0.50

Cu

-

-

0.40-0.75

0.40

-

-

0.75-1.25

0.15

-

Al

-

-

0.04-0.30

-

-

-

-

0.06

-

 

Mechanical Properties

A333

Tensile Strength min.

Yield Strength min.

Elongation % min.

Grade

psi

MPa

psi

MPa

Vertical

Transverse

Grade 1

55000

380

30000

205

35

25

Grade 3

65000

450

35000

240

30

20

Grade 4

60000

415

35000

240

30

16.5

Grade 6

60000

415

35000

240

30

16.5

Grade 7

65000

450

35000

240

30

22

Grade 8

100000

690

75000

515

22

-

Grade 9

63000

435

46000

315

28

-

Grade 10

80000

550

65000

450

22

-

Grade 11

65000

450

35000

240

18

-

 

Scope of Application

Seamless and welded steel pipes for low temperature service and other applications with the required notch toughness.

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