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| Categories | Heavy wall steel tubing |
|---|---|
| Place of Origin: | China |
| Brand Name: | Torich |
| Certification: | ISO9001，ISO14001,TS16949 |
| Model Number: | A333/A333M |
| MOQ: | 5tons |
| Price: | Negotiation |
| Packaging Details: | IN BUNDLES OR WOODEN BOX |
| Delivery Time: | 30-60DAYS |
| Payment Terms: | T/T L/C |
| Supply Ability: | 50000 TONS PER YEAR |
| Company Info. |
| Torich International Limited |
| View Contact Details |
| Product List |
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:
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 Impact Temperature
Grade | Minimum Impact 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
Impact Requirements
Mechanical Teing
- Sampling
- Transverse or Longitudinal Tensile Test and Flattening Test
- Hydrostatic Test
- Impact Test
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DIN EN 10210-1 Hot Finished Heavy Wall Steel Tubing , Thick Wall Steel Pipe
A333/A333M Gr1 , Gr2 , Gr3, Gr4, Gr 5, Gr6 Seamless Heavy Wall Steel Tubing
1026 2.77"X 0.635”CDS Heavy Wall Steel Tube Thick-Walled Mechanical Tubing
DIN EN 10210-1 Hot Finished Heavy Wall Steel Tubing , Thick Wall Steel Pipe
