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 Inspection
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- Commodity name: 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.
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 ParametersProduct 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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A333 Seamless & Welded Steel Pipe - Stock Warehouse
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A333 Seamless & Welded Steel Pipe - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
A333 Seamless & Welded Steel Pipe - Product Measurement
Width Measurement Length Measurement Thickness Measurement Thickness Measurement -
A333 Seamless & Welded Steel Pipe - Product Packaging
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