Stainless Steel Pipe Fittings

Welded Stainless Steel Pipes By

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Welded Stainless Steel Pipes By

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

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

Quality Standard:

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

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 249SA 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 9940-81GOST 9941-81 ASTM A312
Heat-exchanger pipes GOST 9941-81 (gauge pipes) ASTM A213, DIN 17458-85, ASTM A268ASTM 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 TP304TP304LTP310STP316L, TP316/316L dual grade, TP317LTP321TP347H and 316Ti

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

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)

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
Outside Dia: 6 – 325mm(1/4″ – 12.75″)
Wall Thickness: 0.50 – 22mm
Standards(Norm): EN 10216-5;DIN 17456;DIN 17458
ASTM A213;A269;A312;A511;A789;A790;
JIS G3459;G3463;
GOST 9940;GOST 9941;

Source: Zhejiang Yaang Pipe Industry Co., Limited (

Article Categories:
Steel Pipe

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