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Standard | ASTM B111, GB/T8890, BS2871, EN12451, JIS H3300 |
Material | C70400, C70600, C71500, C71640 |
Size | WT: 0.5-15mm; OD: 5-80mm; Length: 500-25000mm |
Applications | For Condenser Tubes and Ferrule Stock |
Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test etc |
Chemical Composition
Steel Grade | Cu | Sn | Al | As | Ni | Fe | Mn | Pb | Zn |
C70400 | Remain | - | - | - | 4.8-6.2 | 1.3-1.7 | 0.3-0.8 | 0.05 max | 1.0 max |
C70600 | Remain | - | - | - | 9.0-11.0 | 1.0-1.8 | 1.0 max | 0.05 max | 1.0 max |
C71500 | Remain | - | - | - | 29.0-33.0 | 0.4-1.0 | 1.0 max | 0.05 max | 1.0 max |
C71640 | Remain | - | - | - | 29.0-32.0 | 1.7-2.3 | 1.5-2.5 | 0.05 max | 1.0 max |
Mechanical Properties
Steel Grade | Temper | Tensile Strength Mpa | Yeild Strength Mpa | Elongation % | Expansion Requirement % | Grain Size mm | ||
Min | Min | Max | Min | Min | Min | Max | ||
C70400 | 061 | 260 | 85 | - | - | 30 | 0.01 | 0.045 |
H55 | 275 | 205 | - | - | 20 | - | - | |
C70600 | 061 | 275 | 105 | - | - | 30 | 0.01 | 0.045 |
H55 | 310 | 240 | - | - | 20 | - | - | |
C71500 | 061 | 360 | 125 | - | - | 30 | 0.01 | 0.045 |
HR50A | 495 | 345 | - | 12 | 20 | - | - | |
HR50B | 495 | 345 | - | 15 | 20 | - | - | |
C71640 | 061 | 435 | 170 | - | - | 30 | 0.01 | 0.045 |
HR50 | 560 | 400 | - | - | 20 | - | - |
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
PACKING:
Each tube in a plastic bag, then put tubes in a seaworthy woven bag ,each unit weight 400kg-500kg/bundle.
With strong wood structure box packing by containers loading and shipping.
Or as customer's requirement.
20 ft container - GP: 5.8m (Length) * 2.13m (Width) * 2.18m (Height) ------ Max Gross Weight: 25MT/container.
40 ft container - GP: 11.8m (Length) * 2.13m (Width) * 2.18m (Height) ------ Max Gross Weight: 27MT/container.
40 ft container - HG: 11.8m (Length) * 2.13m (Width) * 2.72m (Height) ------ Max Gross Weight: 27MT/container.
Port Shanghai
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us