Ferritic / Austenitic Stainless Steel Seamless Tube Astm A213 For Boiler
| Product Name | Seamless Ferritic and Austenitic Stainless Steel Tube or Coil Tube for Boiler |
| Standard | ASTM A312,A213,A269,A511,A789,A790, GB/T14975, GB/T14976, GB/T13296 etc |
| Size | OD: 3.18-120 mm WT: 0.2-20 mm Length : max Straight 14m, Coil 200m |
| Condition | BA(Bright Annealed), BA+Polished, EP(Electricity Polished) |
| Material | 304, 316, 310S, 2520, 316L, 316Ti, 317L |
| Application | Boiler, Heat exchanger, Superheater etc |
Chemical Composition
| Element | TP304 | TP316 | TP310S | TP316L | TP316Ti | TP317L |
| C | 0.08 | 0.08 | 0.08 | 0.035 | 0.08 | 0.035 |
| Mn | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
| P | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 |
| S | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 |
| Si | 1.00 | 1.00 | 1.00 | 1.00 | 0.75 | 0.75 |
| Cr | 18.0-20.0 | 16.0-18.0 | 24.0-26.0 | 16.0-18.0 | 16.0-18.0 | 18.0-20.0 |
| Ni | 8.0-11.0 | 10.0-14.0 | 19.0-22.0 | 10.0-14.0 | 10.0-14.0 | 11.0-15.0 |
| Mo | | 2.0-3.0 | | 2.0-3.0 | 2.0-3.0 | 3.0-4.0 |
| N | | | | | 0.10 | |
| Nb | | | | | | |
| Ti | | | | | 5X(C+N)-0.70 | |
| Other | | | | | | |
Mechaniacl Properties
| Steel Grade | UNS Desigation | Tensile Strength Mpa | Yeild Strength Mpa | Elongation % | Hardness Brinell Rockwell | |
| TP304 | S30400 | 75 [515] | 30 [205] | 35 | 192HBW/200HV | 90HRB |
| TP316 | S31600 | 75 [515] | 30 [205] | 35 | 192HBW/200HV | 90HRB |
| TP310S | S31008 | 75 [515] | 30 [205] | 35 | 192HBW/200HV | 90HRB |
| TP316L | S31603 | 70 [485] | 25 [170] | 35 | 192HBW/200HV | 90HRB |
| TP316Ti | S31635 | 75 [515] | 30 [205] | 35 | 192HBW/200HV | 90HRB |
| TP317L | S31703 | 75 [515] | 30 [205] | 35 | 192HBW/200HV | 90HRB |
Grade and Applications
| Grade | Applications | ||
| TP304 | Traffic barriers, water pipes | ||
| TP316Ti | Good resistance to intergranular corrosion and high temperature strength is required | ||
| TP317L | Chemical processing tubings,dyeing equipment ,ink manufacturing equipment | ||
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.
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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
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