Fluid‑service seamless steel tubes

Fluid‑service seamless steel tubes are pressure‑bearing seamless steel tubes designed for conveying media such as water, oil, gas and steam. Primarily applied for pressure piping, these tubes are subject to mandatory hydrostatic testing on every single piece per GB/T8163‑2018 to prevent pressure‑induced pipeline leakage.

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ASTM A106 A106 Gr.A A106 Gr.B A106 Gr.C ASTM A53 ASTM A333 Gr.6 P11 P22 10CrMo9‑10

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Fluid‑Service Seamless Steel Tubes – Product List
ASTM A106 / ASME SA‑106 Seamless Carbon‑Steel Pipe for High‑Temperature Service:	A106 Gr.A,Tensile Strength: ≥330 MPa,Yield Strength: ≥205 MPa, Application: Low‑pressure high‑temperature fluid pipelines
	A106 Gr.b , Tensile Strength: ≥415 MPa, Yield Strength: ≥240 MPa, Application: Water, oil, steam and general‑pressure chemical piping. Many overseas customers directly specify A106 Gr.B for fluid‑service tube inquiries.
	A106 Gr.C , Tensile Strength: ≥485 MPa, Yield Strength: ≥275 MPa, Application: Higher‑pressure high‑temperature process piping.
ASTM A333 Low‑temperature service pipe:	P11（1.25Cr‑0.5Mo）, Medium‑temperature service piping
	P22（2.25Cr‑1Mo）, Main steam piping for power plants, the most widely‑used Cr‑Mo alloy tube
	P5、P9 , High‑chromium grade, resistant to sulfidation corrosion for refinery units
	P91 , 9Cr‑1Mo‑V ,High‑temperature piping for super‑critical boilers
High‑Temperature Alloy Fluid Tubes, ASTM A335:	P11（1.25Cr‑0.5Mo）, Medium‑temperature service piping
	P22（2.25Cr‑1Mo）, Main steam piping for power plants, the most widely‑used Cr‑Mo alloy tube
	P5、P9 , High‑chromium grade, resistant to sulfidation corrosion for refinery units
	P91 , 9Cr‑1Mo‑V ,High‑temperature piping for super‑critical boilers
ASTM A312 Stainless Steel Fluid Tubes:	TP304 / TP304L / TP316 / TP316L , Corrosive fluid media service
DIN‑EN 10216 Seamless steel tubes for pressure purposes
EN10216‑2: High‑temperature fluid & boiler piping, dominant grade for EU export:	P235GH , P265GH , 16Mo3 , 13CrMo4‑5 , 10CrMo9‑10
EN10216‑1: Ambient‑temperature pressure‑bearing fluid‑service:	P235TR2 , P265TR2
EN10216‑4: Low‑temperature fluid‑service tubes:	P265NL
EN10216‑5: Stainless steel pressure‑bearing tubes:	X5CrNi18‑10 (TP304), X6CrNiMo17‑12‑2 (TP316) , Application: Corrosive fluid media service

Optional delivery status
Oil removal from oil pipes	Annealing and straightening	Steel pipe corrosion prevention
Steel pipe threading	Length cut-to-length	Steel pipe coating
Steel pipe cap	Exquisite bundling	Beveling

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Product Detail

Fluid‑Service Seamless Steel Tubes – Product List
ASTM A106 / ASME SA‑106 Seamless Carbon‑Steel Pipe for High‑Temperature Service:	A106 Gr.A,Tensile Strength: ≥330 MPa,Yield Strength: ≥205 MPa, Application: Low‑pressure high‑temperature fluid pipelines
	A106 Gr.b , Tensile Strength: ≥415 MPa, Yield Strength: ≥240 MPa, Application: Water, oil, steam and general‑pressure chemical piping. Many overseas customers directly specify A106 Gr.B for fluid‑service tube inquiries.
	A106 Gr.C , Tensile Strength: ≥485 MPa, Yield Strength: ≥275 MPa, Application: Higher‑pressure high‑temperature process piping.
ASTM A333 Low‑temperature service pipe:	P11（1.25Cr‑0.5Mo）, Medium‑temperature service piping
	P22（2.25Cr‑1Mo）, Main steam piping for power plants, the most widely‑used Cr‑Mo alloy tube
	P5、P9 , High‑chromium grade, resistant to sulfidation corrosion for refinery units
	P91 , 9Cr‑1Mo‑V ,High‑temperature piping for super‑critical boilers
High‑Temperature Alloy Fluid Tubes, ASTM A335:	P11（1.25Cr‑0.5Mo）, Medium‑temperature service piping
	P22（2.25Cr‑1Mo）, Main steam piping for power plants, the most widely‑used Cr‑Mo alloy tube
	P5、P9 , High‑chromium grade, resistant to sulfidation corrosion for refinery units
	P91 , 9Cr‑1Mo‑V ,High‑temperature piping for super‑critical boilers
ASTM A312 Stainless Steel Fluid Tubes:	TP304 / TP304L / TP316 / TP316L , Corrosive fluid media service
DIN‑EN 10216 Seamless steel tubes for pressure purposes
EN10216‑2: High‑temperature fluid & boiler piping, dominant grade for EU export:	P235GH , P265GH , 16Mo3 , 13CrMo4‑5 , 10CrMo9‑10
EN10216‑1: Ambient‑temperature pressure‑bearing fluid‑service:	P235TR2 , P265TR2
EN10216‑4: Low‑temperature fluid‑service tubes:	P265NL
EN10216‑5: Stainless steel pressure‑bearing tubes:	X5CrNi18‑10 (TP304), X6CrNiMo17‑12‑2 (TP316) , Application: Corrosive fluid media service

Optional delivery status
Oil removal from oil pipes	Annealing and straightening	Steel pipe corrosion prevention
Steel pipe threading	Length cut-to-length	Steel pipe coating
Steel pipe cap	Exquisite bundling	Beveling