TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, T/T |
| Supply Ability | 6000MT/Month |
| Delivery Time | 30~40days |
| Packaging Details | Anti rust oile protection in Hexagonal Bundles |
| 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 |
| Brand Name | Torich |
| Model Number | A333/A333M |
| Certification | ISO 9001:2008 , ISO14001:2008, TS16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 6000MT/Month |
| Delivery Time | 30~40days | Packaging Details | Anti rust oile protection in Hexagonal Bundles |
| 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 |
| Brand Name | Torich | Model Number | A333/A333M |
| Certification | ISO 9001:2008 , ISO14001:2008, TS16949 | Place of Origin | China |
| High Light | thick wall steel pipe ，thick wall steel tube | ||
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
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 Tempearature
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
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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