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Welded Stainless Steel Pipe








Usage: Used for low pressure liquid delivery, such as water, gas, and oil. General, Hydraulic System, Constructural, Decorative/Ornamentalssss

Process:
TIG (DIN 17455; 17457) - tungsten inert gas welding, used for water piping, gas supply pipes and and pipes for the food industry
MIG - metal inert gas welding.
PAW – plasma arc welding.
ERW (Electric Resistance Welded)
HFI (High Frequency Induction)
EFW (Electric Fusion Welded Tube)
LSAW (Longitudinal Submerge-arc Welded)  UO(UOE)、RB(RBE)、JCO(JCOE)
DSAW (Double Submerged arc welded)
SAW (Spiral Welded)
SSAW (Spiral Submerged-arc Welded)

ERW HFI , EFW, LSAW, DSAW:
GB/T3091 Welded steel pipe for low pressure liquid delivery
GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines



IS: 3589 Steel tubes for water and sewage 
IS : 1978-1982 Steel tubes for use in transportation of oil; gas & Petroleum products 
BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam
ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
DIN 2458 Welded Steel Pipes and Tubes
EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
API 5L Line Pipe;ASTMA213/A213,ASTMA312/A312M,ASTMA269ASTMA511,JISG3463,JIS3446,JIS3448,JIS3459, DIN2462,DIN17458

SAW SSAW:
SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
SY/T 5040 Spiral submerged arc-welded steel pipe piles
CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply
IS : 1978 Steel tubes for use in transportation of oil; gas & Petroleum products 
ASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES

Coating Standard:
ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water
ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems
DIN 30670 Polyethylen coatings of steel pipes and fittings

Quality Standard:

Pipes Application of electric-welded pipes, standard and regulations:

APPLICATION EN S.S. ASTM-ASME DIN NFA GOST
Chemical industry EN 10217-7 219711 219713 A358-SA358 A312-SA312 A269-SA269 17457 49147 gost 11068-81
Food products EN 10217-7 ASTM A270 11850 49249
Heat-exchanger EN 10217-7 219711 219713 A 249-SA 249 17457 2818 49247 49244 GOST 11068-81
Pipe line EN 10217-7 A778 A269 17455 49147
Drinking water EN 10312 DVGW541
Decorative elements EN 10296-2 A554 17455 2395 49647

Application of seamless pipes, standards and regulations:

Application GOST International standard
General purpose pipes GOST 9940-81, GOST 9941-81 ASTM A312
Heat-exchanger pipes GOST 9941-81 (gauge pipes) ASTM A213, DIN 17458-85, ASTM A268. ASTM A269
Instrument piping systems GOST 19277-73, GOST 10498-82, GOST 14162-79, DIN 17458-85
Boiler pipes TS 14-ZR-55-2001, TS 14-3-460-75, TS 14-ZR-197-2001
Furnace pipes GOST 9940-81, GOST 9941-81, m/s10H23N18, 15H25T, ASTM A312, m/s TP310S

Steel Grade: 
GB/T3091, SY/T5037, SY/T 5040,CJ/T 3022:
Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8
BS: 1387, EN10217:  S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52
ASTM A 53: Gr. A, Gr B, Gr C, Gr.D
API 5L: A, B, X42, X46, X52, X56, X60, X65 X70
GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555
Stainless Steel TP304, TP304L, TP310S, TP316L, TP316/316L dual grade, TP317L, TP321, TP347H and 316Ti

Size:
ERW Electric resistance welding, HFI, EFW:
Outer Diameter: 6mm-610mm (1/16"-24")
Wall Thickness: 0.3mm-22mm
Length: 0.5mtr-20mtr

LSAW, DSAW:
Outer Diameter: 219mm-1820mm
Wall Thickness: 5.0mm-50mm
Length: 6mtr-18mtr

SAW Submerged arc welding, SSAW:
Outer Diamter: 219.1mm - 4064mm (8" - 160")
Wall Thickness: 3.2 mm - 40mm
Length: 6mtr-18mtr

End: square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled,

Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy,  Fusion Bond Epoxy, 3-layers PE)

Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleessve, and sackcloth with several steel strips, Plastic caps.

Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Mill Test Certificate: EN 10204/3.1B
Third party inspection: SGS, BV, Lloyds etc.


Grade(UNS): 304/304L/304H(1.4301/1.4306/1.4948);316/316L(1.4401/1.4404);316Ti(1.4571); 321(1.4541);
309S(1.4833);310S(1.4845); 317L(1.4438);321H(1.4878); 347H(1.4550);2205(1.4462); S32304
(1.4362);S31803,2507,904L, S32760(1.4501);S32101(1.4162)
Outside Dia: 6 - 325mm(1/4" – 12.75")
Wall Thickness: 0.50 - 22mm
Standards(Norm): EN 10216-5;DIN 17456;DIN 17458
GB/T14975;T14976;T13296;GB5310;
ASTM A213;A269;A312;A511;A789;A790;
JIS G3459;G3463;
GOST 9940;GOST 9941;


Related References:
1. Welding Process and Letter Designations
2. Welding Stainless Steel to other Steel
3. Welding and Post Fabrication Cleaning for Construction and Architectural Application
4. Welded Stainless Steel Pipe
5. Post weld cleaning and finishing of stainless steel
6. Avoid PWHT Post Weld Heat Treatment
7. Fume Associated With Welding Stainless Steel
8. Avoiding Distortion During Welding Stainless Steel
9. Design Strength of Welded Connections
10. Processes for Welding Stainless Steel
11. Brazing Stainless Steel
12. Soldering Stainless Steel
13. Welding Stainless Steel
14. Selection of Welding Consumables Filler
15. Selection of Welding Consumable for Welding Stainless Steel
16. Filler Metals For Welding Stainless Steel
17. Schaeffler and Delong Diagrams for Predicting Ferrite Levels
18. Welding Properties of Stainless Steel
19. 308L 309L 316L 347 Filler Metal Introduction


Selection of Welding Consumables Filler
Hot Rolled Stainless Steel Tube
Cold Rolled Stainless Steel Tube
Stainless Steel Cold Working Properties
Cold-Drawn Stainless Steel Pipe Production
DOM CDS HFS ERW HREW CREW Tube Pipe

EN 10217-7 Chemical Compositions of Stainless Steel Pipes
Ambient temperature mechanical properties for EN 10217-7

Use of stainless steel under high temperature condition refer table
Corrosion Resistant Stainless Steel Tube
Corrosion Resistance of Stainless Steel Tubes
High Temperature Stainless Steel Tubes
High Temperature Stainless Steel Tubes
High Temperature Property Stainless Steel
Heat resistant Stainless Steel Tubes
Welded Stainless Steel Pipe
U-bend Stainless Steel Tubes
Heat Exchanger Tubes
Duplex Stainless Steel Tubes
Boiler Tubes, Condenser Tubes
Corrugated Seamless Stainless Steel Pipe Tube
DIN 2391 Seamless Precision Steel Tubes
DIN2391 Seamless Pricision Steel Tube Tubing Tubes
Non Acid-resisting Stainless Steel Tube
Bright Annealing Stainless Steel Tubes
High Temperature-Tubes and Pipes Standards
Heat Resistant Stainless Steels and Corrosion Resistant Stainless Steels-Valve Steels,Iron Baes Super alloys

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Stainless Steel Tubing and Pipe:

Heat Exchanger Tubes
U Bend Stainless Steel Tubing
Duplex Stainless Steel Pipe
Boiler Tubes, Condenser Tubes
Stainless Steel Seamless Pipes Corrugated Seamless Stainless Steel Pipe Tube
Cold Drawn Bright Annealing Stainless Steel Tubes
Heat resistant Stainless Steel Tubes
Welded Stainless Steel Pipe
Corrosion Resistant Stainless Steel Tube
Corrosion Resistance of Stainless Steel Tubes
Nickel Alloy Seamless Tubes:

UNS N08020 2.4600 Nickel Alloy 20 Seamless Tubing
UNS N02200 2.4066 200 Nickel Alloy Seamless Tubing
UNS N04400 400 Nickel Alloy 2.4360 Nickel Alloy Tubing
UNS N08800 800 Nickel Alloy Seamless Tubes
UNS N08810 800H UNS N08810 Nickel Alloy Seamless Tubes
UNS N08811 800HT Nickel Alloy Seamless Tubes
UNS N08825 825 2.4858 Nickel Alloy Seamless Tubes
UNS N06600 600 2.4816 Nickel Alloy Seamless Tubes
UNS N06625 625 2.4856 Nickel Alloy Seamless Tubes
UNS N10276 C-276 2.4819 Nickel Alloy Seamless Tubing
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