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Model No.: A333/A333M
Brand: Torich
Type: Seamless
Certification: GB/T 19001-2008 , ISO 9001:2008 , TS16949 , CCS ,
Application: For Manufacturing Pipelines, Vessel. Euqipment Pip
Section Shape: Round
Surface Treatment: Black
Usage: Construction & Decoration
Technique: Cold Drawn
Material: A333/A333M Gr1 , Gr2 , Gr3, Gr4, Gr 5, Gr6
Name: Seamless Heavy Wall Steel Tube
Packaging: Anti-rust protection, in hexagonal bundles with seaworthy packing.
Productivity: 6000MT/Month
Transportation: Ocean
Place of Origin: China
Supply Ability: 60000MT/Year
Certificate: GB/T 19001-2008 , ISO 9001:2008 , TS16949 , CCS , DNV , GL , PED
Port: Shanghai
Payment Type: L/C,T/T
Incoterm: FOB,CFR,CIF
A333/A333M Seamless and Welded Steel Pipe for Low-Temperature Service
We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.
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
Product Categories : Seamless Steel Tubes
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.