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Structural Steel Pipe. A wide range of applications rely on structural steel pipe for strength and stability. POSCO steel supply welded and seamless pipe for structural applications to customers in all industries. As a leading steel pipe supplier, POSCO steel offers a large inventory of pipe and tubing sizes from 1/8” NPS to 48” NPS.
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API 5L X42 line pipe and API 5L X52 line pipe (Seamless and welded pipe) of all grades have PSL1 and PSL2 two product specifications, they are different on chemical composition, manufacturing processes, mechanical strength, heat treatment, test records, traceability etc. Actually, X42 and X52 etc. denote the minimum yield strength of the pipe steel. X42 has the minimum yield strength of 42 kilopound/square inch and X52 has the 52 ksi.
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The better weldability also makes 4130 Carbon Steel Pipe a popular choice in the aerospace industry, which is used to manufacture commercial and military aircraft components requiring high strength and low weight. Examples include gears, piston pins, etc. Other uses of 4130 steel include auto parts, cutting tools and drilling machines.
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A214 carbon steel pipe: resistance welded carbon steel pipe for heat exchanger and condenser.
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The tensile strength of ST42 Carbon Steel Pipe shall not be less than 42kgf/mm2, which is 420MPa.ST42 Carbon Steel Pipe is a German standard seamless steel pipe, which is widely used. German standard seamless steel pipes for general purposes are rolled from ordinary carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output, and are mainly used as pipes or structural parts for fluid transportation .
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Application: It is suitable for stress and pressure parts, as well as steam, water, gas and air pipelines for general purposes. A53 pipeline pipe belongs to American petroleum standard pipeline pipe. Pipeline pipe is used to transport oil, steam and water pumped out of the ground to oil and natural gas industrial enterprises through pipeline pipe. Pipeline pipe includes seamless pipe and welded steel pipe, with flat end, threaded end and socket end at the pipe end; The connection methods are end welding, coupling connection, socket connection, etc.
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Product Details
Ductile iron pipes refer to pipes that are cast by high-speed centrifugal casting using a centrifugal ductile iron machine after adding nodulizing agent to cast molten iron above No. 18. They are referred to as ductile iron pipes, ductile iron pipes and ductile cast pipes. It is mainly used for the transportation of tap water and is an ideal material for tap water pipelines.
Technical Specification of Ductile lron Pipes and Fittings
The ductile iron materia features similar mechanical properties with carbon steel such as highmechanical strength,good ductility,and the same anti-corrosion performance as cast iron. Thereforeit has gradually become the world’s most safe and reliable pipes and fittings in the field of watersupply and drainage. Jiugang Steel (Qingdao) Company Limited provides ductile iron pipes and fittings ranging fromDN80mm-DN2600mmin accordance with ISO2531/EN545/598 or GB13295.
Product parameters
Standard
Product
Nominal Diameter DN(mm)
Tensile Strength N/mm2
Yield Strength N/mm2
Elongation%
Hardness HB
ISO2531/EN545/GB13295
Ductile lron Pipes
DN80-1000mm
≥420
≥300
10
≤230
DN1100-2600mm
≥300
7
Ductile lron Fittings
DN80-2600mm
≥420
≥300
5
≤250
Standard of Hydrostatic Testing Pressure (Class K9)
Standard
Product
Nominal Diameter DN(mm)
Testing Pressure(Bar)
Time( second)
ISO2531/EN545/GB13295
Ductile lron Pipes
DN80-300mm
50
≥10
DN350-600mm
40
DN700-1000mm
32
DN1100-2000mm
25
DN2200-2600mm
18
Ductile lron Fittings
DN80-300mm
25
≥10
DN350-600mm
16
DN700-2600mm
10
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DN300 ISO2531/En545 Class K9 Black Bitumen Paint Coated Ductile Cast Iron Pipe for Water Supply
Product Details
Ductile iron pipes refer to pipes that are cast by high-speed centrifugal casting using a centrifugal ductile iron machine after adding nodulizing agent to cast molten iron above No. 18. They are referred to as ductile iron pipes, ductile iron pipes and ductile cast pipes. It is mainly used for the transportation of tap water and is an ideal material for tap water pipelines.
Technical Specification of Ductile lron Pipes and Fittings
The ductile iron materia features similar mechanical properties with carbon steel such as highmechanical strength,good ductility,and the same anti-corrosion performance as cast iron. Thereforeit has gradually become the world’s most safe and reliable pipes and fittings in the field of watersupply and drainage. Jiugang Steel (Qingdao) Company Limited provides ductile iron pipes and fittings ranging fromDN80mm-DN2600mmin accordance with ISO2531/EN545/598 or GB13295.
Product parameters
Standard
Product
Nominal Diameter DN(mm)
Tensile Strength N/mm2
Yield Strength N/mm2
Elongation%
Hardness HB
ISO2531/EN545/GB13295
Ductile lron Pipes
DN80-1000mm
≥420
≥300
10
≤230
DN1100-2600mm
≥300
7
Ductile lron Fittings
DN80-2600mm
≥420
≥300
5
≤250
Standard of Hydrostatic Testing Pressure (Class K9)
Standard
Product
Nominal Diameter DN(mm)
Testing Pressure(Bar)
Time( second)
ISO2531/EN545/GB13295
Ductile lron Pipes
DN80-300mm
50
≥10
DN350-600mm
40
DN700-1000mm
32
DN1100-2000mm
25
DN2200-2600mm
18
Ductile lron Fittings
DN80-300mm
25
≥10
DN350-600mm
16
DN700-2600mm
10
VIEW MORE +
CONTACT US
Tel：+8613396424121
Email：sales05@wktr-steel.com
WhatsApp：+8613396424121
Add：No. 49, Beijing Road, Qianwan Bonded Port Area, Qingdao Area, China (Shandong) Pilot Free Trade Zone
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