28mm Stainless Steel Tube , 9940 Corrosion Resistant Hot Finished Seamless Tube
Product Details
stainless tube steel
,large diameter stainless steel tube
GOST 9940 Seamless Hot-finished Steel Tubes of Corrosion-resistant Steel
Application : For pipelines for aggressive media,as semiproducts for pressure vessels and structures,High-Temperature, Aggressive media
Stainless Steel Grades:
08Cr13, 08Cr17,12Cr13, 12Cr17, 15Cr28, 15Cr25Ti,
04Cr18Ni10, 10Cr23Ni18, 08Cr17Ni15Mo3Ti, 08Cr18Ni10, 08Cr18Ni10Ti, 08Cr18Ni12Nb,
08Cr18Ni12Ti, 08Cr20Ni14Si2,10Cr17Ni13Mo2Ti, 12Cr18Ni9, 12Cr18Ni10Ti, 12Cr18Ni12Ti,
17Cr18Ni9, 08Cr22Ni6Ti
Size: O.D. : 76-159mm W.T. : 5-26mm
Tolerances: OD:Ordinary accuracy ± 1,5%, High accuracy ± 1%
Wall Thickness:
WT 5 - 8 mm: ordinary acc. +20% -15%; high acc. +12,5% - 15%
WT 8,5 - 20 mm: ordinary acc. ± 15%; high acc. +12,5% - 15%
WT 21 - 26mm: ordinary acc. +12,5% -15%; high acc. ± 12,5%
| Tube Sizes | |||
| OD, mm | WT, mm | OD, mm | WT, mm |
| 76 | 5 - 10 | 127 | 6 - 22 |
| 83; 89; 95; 102; 108; 114 | 5 - 12 | 133; 140; 146; 152; 159 | 6 - 26 |
| 121 | 6 - 20 | ||
| Mechanical Properties | |||
| Steel Grade | Tensile Strength, N/mm2 (min) | Yield Strength, N/mm2(min) | Elongation, % (min) |
| 08Cr17Ti | 372 | - | 17 |
| 08Cr18Ni10 | 510 | - | 40 |
| 08Cr18Ni10Ti | 510 | - | 40 |
| 08Cr18Ni12Ti | 510 | - | 40 |
| 08Cr22Ni6Ti | 588 | - | 24 |
| 10Cr17Ni13Mo2Ti | 529 | - | 35 |
| 10Cr23Ni18 | 491 | - | 37 |
| 12Cr13 | 392 | - | 21 |
| 12Cr18Ni10Ti | 529 | - | 40 |
| 12Cr18Ni12Ti | 529 | - | 40 |
| 15Cr25Ti | 441 | - | 17 |
| Chemical Composition (%, max) | ||||||||||
| Steel Grade | C | Si | Mn | Cr | Ni | Mo | S | P | Ti | V |
| 08Cr17Ti | 0,08 | 0,8 | 0,8 | 16-18 | - | - | 0,025 | 0,035 | 5*C-0,8 | - |
| 08Cr18Ni10 | 0,08 | 0,8 | 2 | 17-19 | 9-11 | - | 0,02 | 0,035 | - | - |
| 08Cr18Ni10Ti | 0,08 | 0,8 | 2 | 17-19 | 9-11 | - | 0,02 | 0,035 | 5*C-0,7 | - |
| 08Cr18Ni12Ti | 0,08 | 0,8 | 2 | 17-19 | 11-13 | - | 0,02 | 0,035 | 5*C-0,6 | - |
| 08Cr22Ni6Ti | 0,08 | 0,8 | 0,8 | 21-23 | 5,3-6,3 | - | 0,025 | 0,035 | 5*C-0,65 | - |
| 10cr17Ni13Mo2Ti | 0,10 | 0,8 | 2 | 16-18 | 12-14 | 2-3 | 0,02 | 0,035 | - | 5*C-0,7 |
| 10Cr23Ni18 | 0,10 | 1 | 2 | 22-25 | 17-20 | - | 0,02 | 0,035 | - | - |
| 12Cr13 | 0,09-0,15 | 0,8 | 0,8 | 12-14 | - | - | 0,025 | 0,030 | - | - |
| 12Cr18Ni10Ti | 0,12 | 0,8 | 2 | 17-19 | 9-11 | - | 0,02 | 0,035 | 5*C-0,8 | - |
| 12Cr18Ni12Ti | 0,12 | 0,8 | 1-2 | 17-19 | 11-13 | - | 0,02 | 0,03 | 0,5-0,7 | - |
| 15Cr25Ti | 0,15 | 1 | 0,8 | 21-37 | - | - | 0,025 | 0,035 | 5*C-0,9 | - |
Shipment
Chemical Compositions:
GOST 12344-88
GOST 12346-78
GOST 12347-88
GOST 12348-88
GOST 12365-84
GOST 20580-81
Inter-crystalline corrosion test: GOST 6032-89
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.
FAQ
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, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to 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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