Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory

• Type: Carbon Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Carbon Steel
• Technique: Cold Drawn
• Shape: Carbon Steel
• Surface Treatment: Polished
• Model NO.: Q235, Q345, Q195, Q215, Q345C, Q345A
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Industrial Engineering
• Section Shape: Round
• Processing Precision: 0.01~0.02(mm)
• Wall Thickness: 2.0-25mm
• Length: 6m, 12m, 1-12m or as Required
• Movement Method: Contour Control
• Control Method: Closed-Loop Control
• Transport Package: in Bundle or in Bulk
• Specification: Q235, Q345, Q195, Q215, Q345C, Q345A
• Trademark: SH
• Origin: China
• HS Code: 7304319000
• Production Capacity: 100000

Product Description

Product sheet

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		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
	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%

Product picture

Company profile
   Hebei Shenhao Pipe Fitting Manufacturing Co., Ltd. is a professional company that integrates the production and sales of elbows, flanges, tees, large and small ends, elbows, and forged socket welded pipe fittings. It is located in Yanshan County, the "Capital of Bend Pipe Fittings in China", and is located in the center of the Bohai Economic Circle. It is adjacent to Huanghua Port, one of the top ten ports in China, to the east, the Beijing Shanghai Expressway, the Beijing Shanghai Railway, and 104 National Highway, adjacent to two municipalities directly under the central government of Beijing and Tianjin, The geographical location is superior and the transportation is convenient.
Our main products include various specifications and materials of elbows, bends, tees, crosses, reducers, heads, flanges, and power plant accessories. The products are widely used in industries such as petroleum, chemical, metallurgy, shipbuilding, papermaking, power, aerospace, pharmaceuticals, water treatment, chemical fiber, urban construction, and mechanical equipment, fully meeting the needs of pipeline connections. Our products are exported to dozens of countries and regions such as Southeast Asia, the Middle East, Europe and America, and enjoy a high reputation in both domestic and international markets.
   At the same time, according to customer requirements, various materials are specially made, including special-shaped, non-standard, thick walled carbon steel, stainless steel, alloy steel pipe fittings, and other pipeline accessories. Timely delivery, ensuring product quality and service quality, and making customers more sati
   For many years, our company has relied on strong technical strength, advanced production processes, complete testing methods, scientific management, and a comprehensive after-sales service system. In addition to contracting the production of pipe fittings for dozens of large-scale projects in China, our products have also been exported to more than 20 countries and regions such as North Ame

 

Process display

Certification


FAQ

1.Q:Are you a factory or trading company? 
   A: We are a factory. 

2.Q:Where is your factory located? 

   A: Our factory is located in Cangzhou City, China.

3.Q:Can I get some samples? 

  A: Yes,we are honored to supply you free samples. 

4.Q:How does your factory do regarding quality control? 

   A: "Quality is our culture" Inspection and trace back No. We serious control the quality from raw material 
to finished pipes. 

5. Q: Price high ?

   A: Our price is workable. We had tried use auto equipment to save Workers cost. and control other costs. 

6. Q:  After sales service.

   A: We guarantee the quality and quantity, any problem, we will be responsible for the end, guarantee your satisfaction.