A333 Seamless & Welded Steel Pipe
Classification :
Keywords:
Carbon Steel Pipe
A333 Seamless & Welded Steel Pipe Description
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.
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 |
Grade1 |
Grade3 |
Grade4 |
Grade6 |
Grade7 |
Grade8 |
Grade9 |
Grade10 |
Grade11 |
|
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 |
|
Grade1 |
55 000 |
380 |
30 000 |
205 |
35 |
25 |
|
Grade3 |
65 000 |
450 |
35 000 |
240 |
30 |
20 |
|
Grade4 |
60 000 |
415 |
35 000 |
240 |
30 |
16.5 |
|
Grade6 |
60 000 |
415 |
35 000 |
240 |
30 |
16.5 |
|
Grade7 |
65 000 |
450 |
35 000 |
240 |
30 |
22 |
|
Grade8 |
100 000 |
690 |
75 000 |
515 |
22 |
- |
|
Grade9 |
63 000 |
435 |
46 000 |
315 |
28 |
- |
|
Grade10 |
80 000 |
550 |
65 000 |
450 |
22 |
- |
|
Grade11 |
65 000 |
450 |
35 000 |
240 |
18 |
- |
Scope of Application
Seamless and welded steel pipes for low temperature service and other applications with the required notch toughness.
PACKING AND SHIPPING
Our products are mainly exported to certain areas of Southeast Asia, Latin America, the Middle East and the former Soviet Union. Since the establishment of a factory in 2010, we have been using advanced production equipment to improve product quality and reduce production costs. We now have a good production environment.

WAREHOUSE STORAGE
We have scale advantages, resource advantages, integration advantages, technological research and development advantages, capital operation advantages, and have complete pre -sale, sales and after -sales service systems.
APPLICATION FIELD
The products are widely used in water conservancy projects, military equipment, construction industry, aerospace, automobiles, home appliances and other fields.
CUSTOMER VISIT
Our global footprint extends to over 100+ countries, including major markets like the European Union, the United States, Australia, Southeast Asia, and the Middle East. We are committed to delivering exceptional products and services to customers worldwide.
FAQ
Q:What is your working time?
A:In general, our online service time is: 8:00-22:00, after 22:00, we will reply to your inquiry during the next working day.
Q:How to pack the products?
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging.
Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q:How long does your delivery time take?
A:In general, our delivery time is within 7-45 days, and may be delayed if the demand is extremely large or special circumstances occur.
Q:What are the certifications for your products?
A:We have ISO 9001,EWC and other certifications.
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