2205 S31803 A790 Seamless Boiler Tube Duplex Seamless Stainless Steel Tubing
Product Details
steam boiler tubes
,erw boiler tubes
32x2.5mm S31063 34.3x7mm 2205 ASTM A790/A790M S31803 Duplex Seamless Stainless Steel Tubing,stainless heater tubes stainless boiler pipe
Test relevant norm:
A370 Test Methods and Definitions for Mechanical Testing
of Steel Products
A923 Test Methods for Detecting Detrimental Intermetallic
Phase in Duplex Austenitic/Ferritic Stainless Steels
A941 Terminology Relating to Steel, Stainless Steel, Related
Alloys, and Ferroalloys
A999/A999M Specification for General Requirements for
Alloy and Stainless Steel Pipe
E213 Practice for Ultrasonic Testing of Metal Pipe and
Tubing
E309 Practice for Eddy-Current Examination of Steel Tubular
Products Using Magnetic Saturation
E381 Method of Macroetch Testing Steel Bars, Billets,
Blooms, and Forgings
E426 Practice for Electromagnetic (Eddy-Current) Examination
of Seamless and Welded Tubular Products, Titanium,
Austenitic Stainless Steel and Similar Alloys
E527 Practice for Numbering Metals and Alloys in the
Unified Numbering System (UNS)
Keywords:Corrosive Service Applications - Duplex And Super Duplex Stainless Steel - Seamless Pipes And Tubes - Stress Corrosion Cracking - Welded Pipes And Tubes
Size Range: OD: 6-89mm, WT: 1-8mm, Length: 5.8m/6m, maximal 11.8m
Stable Quality with Comeptitive Price
High Performance and Longer Working Life Steel Pipe
Application: ASTM A790/790M Ferritic/Austenitic Stainless Steel Tubing for General Service
100% Eddy Current Testing/Hydraulic Testing
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
Features:
1) Commodity: Seamless austenitic stainless steel pipe/tube, Seamless duplex stainless steel pipe/tube
2) Process method: Cold drawn/cold rolled
3) Surface finish: Anneal/pickling/manual polished/ mechanical polished
4) Material: TP304/304L/H/LN, TP309/310/S, TP316/316L, TP317/317L, TP321/321H, TP347/347H, TP316Ti, TP904L, S31803, S32750, SAF2205, SAF2507, SAF2520, 1.4301, 1.4306, 1.4401, 1.4404, 1.4833, 1.4845, 1.4571, 1.4438, 1.4541, 1.4550, 1.4462 and so on.
5) Standards: ASTM(ASME) (SA)A312/213/269/789/790/M DIN17456/17458 EN10216-5 JIS G3463 and so on
6) Size:
A) NPS: 1/8" to 10"
B) Schedule: 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S,
Acc. To ANSI B36.19/36.10
C) O. D.: 6mm to 219mm
D) W. T.: 0.5mm to 25mm
7) Length: Max. 20 meters
8) Delivery conditions: Annealled, Picklinged and Polished
9) Inspection: ISO 9001-2000, PED 97/23/EC, TUV
10) Applications: For fluid and gas transport, structure and Machining
11) packing: Seaworthy wooden cases/plywood box/steel framed cases/ simple packaging
| UNSB | C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu | Other |
| S32900 | 0.080 | 1.00 | 0.040 | 0.030 | 0.750 | 2.5～5.0 | 23.0～28.0 | 1.00～2.00 | … | … | … |
| S31803 | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5～6.5 | 21.0～23.0 | 2.50～3.50 | 0.08～0.20 | … | … |
| S32205 | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5～6.5 | 22.0～23.0 | 3.00～3.50 | 0.14～0.20 | … | … |
| S32750 | 0.030 | 1.20 | 0.035 | 0.020 | 0.80 | 6.0～8.0 | 24.0～26.0 | 3.00～5.00 | 0.24～0.32 | 0.50 | … |
| S31500 | 0.030 | 1.20～2.00 | 0.030 | 0.030 | 1.4～2.0 | 4.50～5.25 | 18.0～19.0 | 2.50～3.00 | 0.05～0.10 | … | … |
| UNS | Temperature℉(℃) | Heat-treatment | Tensile Min ksi,(MPa) | Yield Min ksi,(MPa) |
Elongation 2inor 50mm, %A B |
Max Hardness | |
| HBW | HRC | ||||||
| S32900 | 1700～1750℉(925～955℃) | Cooling in air or water | 90(620) | 70(485) | 20 | 271 | 28 |
| S31803 | 1870～2010℉(1020～1100℃) | Cooling in air or water | 90(620) | 65(450) | 25 | 290 | 30.5 |
| S32205 | 1870～2010℉(1020～1100℃) | Cooling in air or water | 95(655) | 70(485) | 25 | 290 | 30.5 |
| S32750 | 1880～2060℉(1025～1125℃) | Cooling in air or water | 116(800) | 80(550) | 15 | 310 | 32 |
| S31500 | 1800～1900℉(980～1040℃) | Cooling in air or water | 92(630) | 64(440) | 30 | 290 | 30.5 |
High pressure, low & medium pressure boiler steel pipestubes are suitable for making
super-heaters, re-heaters, water wall, and economizer in large-scale power plant.
Flattening Test – One flattening test shall be made on specimens from each end of one finished tube, not the one used for the flaring test, from each lot.
Flaring Test – One flaring test shall be made on specimens from each end of one finished tube, not the one used for the flattening test, from each lot.
Hydrostatic or Nondestructive Electric Test – Each tube shall be subjected to the nondestructive electric test or the hydrostatic test. The type of test to be used shall be at the option of the manufacturer, unless otherwise specified in the purchase order.
Materials and Manufacture:
The Steel shall be killed.
The Tubes shall be made by the seamless process and shall be either hot-finished or cold finished, as specified.
Heat Treatment – Ferritic Alloy and Ferritic Stainless Steels – The ferritic alloy and ferritic stainless steels shall be reheated for heat treatment in accordance with the requirements of Standard. Heat treatment shall be carried out separately and in addition to heating for hot forming.
FAQ:
1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality.
You need to in charge of Express costs.
2. How about your production capacity?
3000 tons/Month.
3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.
4. Where is your factory?
Jiaxing city, 2 hours away from Shanghai.
5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade
3). Tube Size and Size Tolerance
4). Tube length
5). Quantity
6). If any special requirements
6. How about the minimum order quantity?
Normally for one size above 1 ton.
Welcome to contact us! Thanks.
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