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Standard | ASTM A249/A269 |
Matrial | 304, 304L, 316, 316L Sainless Steel |
OD & WT | OD: 3-25.4mm WT: 0.3-2mm |
Inner bore size of Coil | 500-1500mm |
Coil height | 200-400mm |
Surface Finish | 180G, 320G Satin/Hairline, 400G, 600G Mirror finish |
Test and Inspection | Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT |
Application | Industrial air conditioning,heater,evaporator, condenser,Construction, Pharmacy, Power, Petrochemical,car exhaust pipes,underfloor heating pipe,water pipe,oil pipe,gas pipe |
Production Show
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
TORICH ASTM A249/A269 TP304/304L/316/316L Stainless Steel Small Coil Tube