TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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TORICH UNS N04400 ASTM B165 Nickel Copper U Bending Enhanced Evaparation Tube
This specification covers nickel-copper alloy UNS N04400 in the form of cold-worked seamless pipe and tube. The material shall conform to the composition limits specified. Tension test, hydrostatic test, nondestructive electric test, and rounding method shall be done in accordance to the specified requirements.
Chemical Requirements
|
Element |
Composition Limit % | Product(check)Analysis Variations ,under min or over max , of the specified Limit of Element |
| Ni | 63min | 0.45 |
| Cu | 38min 34max | 0.15 0.20 |
| Fe | 2.5max | 0.05 |
| Mn | 2.0max | 0.04 |
| C | 0.3max | 0.02 |
| Si | 0.5max | 0.03 |
| S | 0.024max | 0.005 |
Delivery Conditions :
1. Annealed - Soft,with a dull matte finish
2. Stress Relieved - Thermally treated below the annealing tempreature to relieve the major
portion of the internal stress, with a thin , light to medium-dark surface
Mechanical Properties of Small-Diameter and Light-Wall Tubing
| Condition | Tensile Strength(Mpa) | Yield Strength min Mpa | Elongation in 2in or 50mm min% |
| Annealed | 585max | 195 | 32 |
| Half-hard | 585min | 380 | 12 |
| Full hard | 760min | 620 | 3 |
ASTM B407
Reference Standard:
B829 Specification for general requirements for Nickel and Nickel Alloy seamless pipe and tube.
E140 Hardness conversation tables for material relationship among brinell hardness, vickers hardness,
rockwell hardness, superficial hardness, knoop hardness, scleroscope hardness, and leeb hardness.
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.
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