Payment & Shipping Terms:
|Surface:||Polishing||Keyword:||Stainless Steel Boiler Tube|
|Material:||201, 202, 304, 316, 316L Etc||Usage:||Boiler And Heat Exchange|
304 316 304H Stainless steel heat exchanger and boiler tubes
heat exchanger stainless steel tubes
SA213 long steel tubes, make to U bend tubes for boilers and heat exchangers.
With strong wood structure box packing by containers loading and shipping.
Heater tubes U TUBES with Stainless, Alloy steel grade available, Carbon Steel grade is also available.
|Tensile Strength ≥ MPa||yield strength ≥ MPa||Elongation ≥ %|
Gauge-Inch-mm Gauge 12 14 15 16
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.
A: We are factory.
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.