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A333 Seamless & Welded Steel Pipe

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

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.

Product Application

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  • a79728cbbd8040cb9dcee1b7a5e8e557

Packaging and shipping

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  • 3
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  • 5
  • 9

Factory Display

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  • 未标题-2
  • 摄图网_600975422_钢铁仓库(非企业商用)-(1)
  • vecteezy_modern-industrial-steel-manufacturing-facility-with-advanced_49740735
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  • bf4177c383f74c00f80e0bca1aae52a7
  • 工厂车间 (4)
  • 5
  • 4ba06389467ca90624596b987abe434be8635cba188343-TdLEpR 拷贝
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FAQ

Q1: What products does Jiuhe Steel mainly offer?
Jiuhe Steel specializes in carbon steel, stainless steel, copper, aluminum, color-coated and galvanized products. Our portfolio includes carbon steel coils/plates/pipes/sections, stainless steel coils/pipes/bars, copper plates/strips/pipes, aluminum plates/coils/profiles, pre-painted galvanized coils/roofing sheets, and galvanized coils/pipes/sections.


Q2: What standards do your products comply with?
We can supply products in accordance with various international standards, including GB/T (Chinese standard), ASTM (American standard), JIS (Japanese standard), EN (European standard), and others. We recommend that clients specify their required standards and grades, and we will arrange production accordingly. If you are unsure about the appropriate standard, our team can assist with standard comparison and material selection.


Q3: Do you offer customized products?
Yes. We provide customized steel and non-ferrous metal solutions based on specific project requirements, including special dimensions, materials, surface treatments, and more. Please send us your technical specifications or drawings, and we will offer professional advice and quotations.

 

Q4: How do you ensure product quality?
We maintain long-term partnerships with reputable domestic mills and processing plants, with strict quality control systems in place. All products are accompanied by quality inspection certificates issued by the manufacturer. Upon request, we can also arrange third-party inspection by agencies such as SGS or BV.


Q5: Do you provide Mill Test Certificates (MTC)?
Yes. We provide Mill Test Certificates (MTC) for each shipment, including product name, specifications, applicable standards, chemical composition, mechanical properties, test results, date of manufacture, and the manufacturer‘s official stamp.

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