Payment & Shipping Terms:
|Model No.:||ASTM A209||Application:||Structure Pipe|
|Surface Treatment:||Oiled||Technique:||Cold Drawn|
|L:||According To Customer Requirement||Material:||Alloy Steel|
ASTM A209 T1 T1a T1b Seamless Alloy Steel Tubes For Boiler and Superheater
Size range: O.D.: 6-420mm W.T.:1-50mm L: according to customer requirement
Steel Grade and Chemical Compositions:
|Tensile strength min Mpa||380||365||415|
|Yield strength min Mpa||205||195||220|
|Elongation min %||30||30||30|
Tubes are made by seamless process.
At the manufacturer`s option, tubing may be furnished either hot finished or cold finished.
Test and Inspection:
- Mechanical Test
- Tension Test
- Flaring Test
- Flattening Test
- Hardness Test
- Hydrostatic or Nondestructive Electric Test
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