TORICH INTERNATIONAL LIMITED
| Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways |
| Product Name: | Seamless Steel Tube, Welded Steel Pipe |
| Steel Grade: | Grade1 , Grade3 , Grade4 , Grade6 ,Grade 7 , Grade8 |
| Manufacture | Seamless or Welding Process |
| Material | Carbon and Alloy Steel |
| Payment Terms | T/T L/C D/P D/A WesternUnion MoneyGram Others |
| Supply Ability | 60000 Ton/Year |
| Delivery Time | 30 days |
| Brand Name | Torich |
| Model Number | A333/A333M |
| Certification | ISO 9001:2008 , ISO14001:2008, TS16949 |
| Place of Origin | China |
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Product Specification
| Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways | Product Name: | Seamless Steel Tube, Welded Steel Pipe |
| Steel Grade: | Grade1 , Grade3 , Grade4 , Grade6 ,Grade 7 , Grade8 | Manufacture | Seamless or Welding Process |
| Material | Carbon and Alloy Steel | Payment Terms | T/T L/C D/P D/A WesternUnion MoneyGram Others |
| Supply Ability | 60000 Ton/Year | Delivery Time | 30 days |
| Brand Name | Torich | Model Number | A333/A333M |
| Certification | ISO 9001:2008 , ISO14001:2008, TS16949 | Place of Origin | China |
| High Light | precision stainless steel tubing ，seamless carbon steel tube | ||
A333/A333M Gr1 , Gr2 , Gr3, Gr4, Gr 5, Gr6 Seamless and Welded Steel Pipe for Low-Temperature Service
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 permitted 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 Testing
- Sampling
- Transverse or Longitudinal Tensile Test and Flattening Test
- Hydrostatic Test
- Impact Test
Reference Documents:
ASTM A370 Test Methods and Definitions for Mechanical Testing of Steel Products
ASTM A999/A 999M Specification for General Requirements for Alloy and Stainless Steel Pipe
ASTM A671 Specification for Electric-Fusion-Welded Steel Pipe for Atmosphere and Low Temperature
E 23 Test Methods for Notched Bar Impact Testing of Metallic Materials
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
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