Famous 316 stainless steel square tube Factories – Seamless Carbon Steel Pipe and Tube – Future Metal

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Famous 316 stainless steel square tube Factories – Seamless Carbon Steel Pipe and Tube – Future Metal Detail:

Carbon seamless steel pipe is a kind of strip steel. Steel pipe with hollow cross-section, a large number of pipes used to transport fluid, such as the transportation of oil, natural gas, gas, water and some solid materials such as pipes. Steel and round steel and other solid steel compared to the same bending strength in the same bending, lighter weight, is an economic section of steel, is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, Bicycle frames and steel construction scaffolding. The use of carbon seamless steel pipe manufacturing ring parts can improve material utilization, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jackets, etc., has been widely used to manufacture steel pipe.

Sizes

Maximum diameter: 36″ (914.4mm)

minimum diameter: 1/2″ (21.3mm)

Maximum thickness: 80mm

mininmum thickness: 2.11mm

SCH: SCH10, SCH20 ,STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH160, XXS

Uses

Chilled water pipe	Steam/condensate pipe	Heat exchanger pipe	Marine/offshore pipe	Dredging pipe	Industrial pipe
Oil and gas pipe	Fire fighting pipe	Construction/structure pipe	Irrigation pipe	Drain/sewage pipe	Boiler tube

Coating

3PE Coating

3PP Coating

FBE Coating

Epoxy Coating

Special Painting

Standard of carbon seamless steel pipe

ASTM A53 Gr.B	Black and hot-dipped zinc-coated steel pipes welded and seamless
ASTM A106 Gr.B	Seamless carbon steel for high temperature service
ASTM SA179	Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes
ASTM SA192	Seamless carbon steel boiler tubes for high pressure
ASTM SA210	Seamless Medium-carbon boiler and superheater tubes
ASTM A213	Seamless alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A333 GR.6	seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASTM A335 P9,P11,T22,T91	Seamless ferritic alloy-steel pipe for high-temperature service
ASTM A336	Alloy steel forgings for pressure and high-temperature parts
ASTM SA519 4140/4130	Seamless carbon for mechanical tubing
API Spec 5CT J55/K55/N80/L80/P110/K55	Seamless steel pipe for casing
API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70	Seamless steel pipe for line pipe
DIN 17175	Seamless steel tube for elevated temperture
DN2391	Cold drawn seamless prevision pipe
DIN 1629	Seamless circular unalloyed steel tubes subject to special requirements

Chemical components & mechanical properties

Standard	Grade	Chemical Components (%)					Mechanical Properties
ASTM A53	Grade	C	Si	Mn	P	S	Tensile STrength(Mpa)	Yield STrength(Mpa)
	A	≤0.25	-	≤0.95	≤0.05	≤0.06	≥330	≥205
	B	≤0.30	-	≤1.2	≤0.05	≤0.06	≥415	≥240
ASTM A106	A	≤0.30	≥0.10	0.29-1.06	≤0.035	≤0.035	≥415	≥240
ASTM A106	B	≤0.35	≥0.10	0.29-1.06	≤0.035	≤0.035	≥485	≥275
ASTM SA179	A179	0.06-0.18	-	0.27-0.63	≤0.035	≤0.035	≥325	≥180
ASTM SA192	A192	0.06-0.18	≤0.25	0.27-0.63	≤0.035	≤0.035	≥325	≥180
API 5L PSL1	A	0.22	-	0.90	0.030	0.030	≥331	≥207
	B	0.28	-	1.20	0.030	0.030	≥414	≥241
	X42	0.28	-	1.30	0.030	0.030	≥414	≥290
	X46	0.28	-	1.40	0.030	0.030	≥434	≥317
	X52	0.28	-	1.40	0.030	0.030	≥455	≥359
	X56	0.28	-	1.40	0.030	0.030	≥490	≥386
	X60	0.28	-	1.40	0.030	0.030	≥517	≥448
	X65	0.28	-	1.40	0.030	0.030	≥531	≥448
	X70	0.28	-	1.40	0.030	0.030	≥565	≥483
API 5L PSL2	B	0.24	-	1.20	0.025	0.015	≥414	≥241
	X42	0.24	-	1.30	0.025	0.015	≥414	≥290
	X46	0.24	-	1.40	0.025	0.015	≥434	≥317
	X52	0.24	-	1.40	0.025	0.015	≥455	≥359
	X56	0.24	-	1.40	0.025	0.015	≥490	≥386
	X60	0.24	-	1.40	0.025	0.015	≥517	≥414
	X65	0.24	-	1.40	0.025	0.015	≥531	≥448
	X70	0.24	-	1.40	0.025	0.015	≥565	≥483
	X80	0.24	-	1.40	0.025	0.015	≥621	≥552

Classfication of carbon seamless steel pipe

Types	Application
Structure Purposes	General structure and mechanical
Liquid Services	Petroleum, gas and other fluids conveying
Low and Medium Pressure Boiler Tube	Steam and boiler manufacturing
Hydraulic Pillar Service	Hydraulic support
Auto Semi-shaft Casing	Auto sem-shaft casing
Line Pipe	Oil and gas conveying
Tubing and Casing	Oil and gas conveying
Drill Pipes	Well drilling
Geological Drilling Pipe	Geological drilling
Furnace tubes, heat exchangers tubes	Furnace tubes, heat exchangers

Tolerances of carbon seamless steel pipe

Pipe types	Pipe sizes(mm)	Tolerances
Hot rolled	OD<50	±0.50mm
	OD≥50	±1%
	WT<4	±12.5%
	WT 4～20	+15%, -12.5%
	WT>20	±12.5%
Cold drawn	OD 6～10	±0.20mm
	OD 10～30	±0.40mm
	OD 30～50	±0.45
	OD>50	±1%
	WT≤1	±0.15mm
	WT 1～3	+15%, -10%
	WT >3	+12.5%, -10%

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100mm Stainless Steel Tube