Hot Rolled Seamless Stainless Steel Tube GB/T14976-2012 For Fluid Transport
| Standard | GB/T14976-2012 Seamless Stainless Steel Pipe for Fluid Transport |
| Matrial | 12Cr18Ni9, 06Cr19Ni10, 022Cr19Ni10, 06Cr19Ni9NbN, 022Cr19Ni10N etc |
| Size | WT: 0.5mm-50mm OD: 20-300mm Length: as customers' requirement |
| Technique | Hot Rolled (W-H), Cold Drawn (W-C) |
| Surface Treament | Annealed, Brightly Annealed, Polish |
| Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test etc |
Chemical Composition
| Steel Grade | C max | Si max | Mn max | P max | S max | Ni | Cr | N | |
| S30210 | 12Cr18Ni9 | 0.15 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00-10.00 | 17.00-19.00 | 0.10 |
| S30408 | 06Cr19Ni10 | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00-11.00 | 18.00-20.00 | - |
| S30403 | 022Cr19Ni10 | 0.03 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00-12.00 | 18.00-20.00 | - |
| S30458 | 06Cr19Ni10N | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00-11.00 | 18.00-20.00 | 0.1-0.16 |
| S30453 | 022Cr19Ni10N | 0.03 | 1.00 | 2.00 | 0.035 | 0.030 | 8.00-11.00 | 18.00-20.00 | 0.1-0.16 |
| S30908 | 06Cr23Ni13 | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 12.00-15.00 | 22.00-24.00 | - |
| S31008 | 06Cr25Ni20 | 0.08 | 1.00 | 2.00 | 0.035 | 0.030 | 19.00-22.00 | 24.00-26.00 | - |
Mechanical Properties
| Steel Grade | Rm MPa, min | Rp MPa, min | A %, min |
| 12Cr18Ni9 | 520 | 205 | 35 |
| 06Cr19Ni10 | 520 | 205 | 35 |
| 022Cr19Ni10 | 480 | 175 | 35 |
| 06Cr19Ni10N | 550 | 275 | 35 |
| 0022Cr19Ni10N | 685 | 245 | 40 |
| 06Cr23Ni13 | 520 | 205 | 40 |
| 06Cr25Ni20 | 520 | 205 | 40 |
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.
PACKING:
Each tube in a plastic bag, then put tubes in a seaworthy woven bag ,each unit weight 400kg-500kg/bundle.
With strong wood structure box packing by containers loading and shipping.
Or as customer's requirement.
20 ft container - GP: 5.8m (Length) * 2.13m (Width) * 2.18m (Hight) ------ Max Gross Weight: 25MT/container.
40 ft container - GP: 11.8m (Length) * 2.13m (Width) * 2.18m (Hight) ------ Max Gross Weight: 27MT/container.
40 ft container - HG: 11.8m (Length) * 2.13m (Width) * 2.72m (Hight) ------ Max Gross Weight: 27MT/container.
Port Shanghai
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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