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| Product Name: |
Seamless Heavy Wall Steel Tubing A333/A333M Gr1 ,
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| Supply Ability: |
6000MT/Month |
| Related proudcts |
thick wall steel pip, heavy wall steel pip, |
| Specifications |
According to customers' requirement |
| Price Term: |
FOB |
| Port of loading: |
Shanghai |
| Minimum Order |
5MT |
| Unit Price: |
USD800-1100per ton |
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A333/A333M Seamless and Welded Steel Pipe for Low-Temperature Service
Material:
Carbon and Alloy Steel, ferritic steel
Grade 1A, Grade3, Grade 4, Grade 6A, Grade 7A
Manufacture:
The pipes are made by seamless and welding process with the addition of no filler metal in the welding operation.
Grade 4 is manufactured by seamless process
Heat treatment:
All seamless and welded pipes, other than Grades 8 and 11, are heat treated to control their microstructure in accordance with methods of:
Normalizing
Quenched and Tempered
Double Normalized and Tempeed
TABLE 1 Chemical Requirements
Element
Composition,%
Grade 1A
Grade 3
Grade 4
Grade 6A
Grade 7A
Carbon, max
0.30
0.19
0.12
0.30
0.19
Manganese
0.40-1.06
0.31-0.64
0.50-1.05
0.29-1.06
0.90max
Phosphorus,max
0.025
0.025
0.025
0.025
0.025
Sulfur,max
0.025
0.025
0.025
0.025
0.025
Silicon
�
0.18-0.37
0.18-0.37
0.10min
0.13-0.32
Nickel
�
3.18-3.82
0.47-0.98
�
2.03-2.57
Chromium
�
�
0.44-1.01
�
�
Copper
�
�
0.40-0.75
�
�
Aluminum
�
�
0.04-0.30
�
�
Vanadium,max
�
�
�
�
�
Columbium,max
�
�
�
�
�
Molybdenum,max
�
�
�
�
�
Cobalt
�
�
�
�
�
A For each reduction of 0.01% carbon below 0.30%, an increase of 0.05% manganese above 1.06% would be pemitted to a maximum of 1.35% manganese.
TABLE 2 I***ct Temperature
Grade
Minimum I***ct Test Temperature
°F
°C
1
-50
-45
3
-150
-100
4
-150
-100
6
-50
-45
7
-100
-75
8
-320
-195
9
-100
-75
10
-75
-60
11
-320
-195
Tests and Inspection:
Tensile Requirements
I***ct Requirements
Mechanical Teing
- Sampling
- Transverse or Longitudinal Tensile Test and Flattening Test
- Hydrostatic Test
- I***ct Test
http://www.precision-steeltube.com/
http://www.steel-tubes.com/
http://www.chinasteeltubepipe.com/ |
| Company: |
Torich International Co.,Ltd
|
| Contact: |
Mr. Richard Shen |
| Address: |
706 Qiling Mansion North Building Yinzhou District, Ningbo China |
| Postcode: |
315100 |
| Tel: |
86--13736164628 |
| Fax: |
86-574-88086983 |
| E-mail: |
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