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

We are a factory specializing in the production of Q355b Q235/20# alloy pipe, thermal expansion diameter straight seam steel pipe, and seamless steel pipe. Get high-quality products from our factory today!
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PRODUCTS DETAILS

Basic Info.

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
Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe FactoryQ355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory
Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory
Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory
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
Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory
Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory
Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory
Q355b Q235/20# Alloy Pipe Thermal Expansion Diameter Straight Seam Steel Pipe Seamless Steel Pipe Factory
 


Process display


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

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.

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