Customization: | Available |
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Type: | Seamless |
Technique: | Cold Drawn |
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Product Name
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Precision steel pipe/Hot rolled seamless carbon tube/alloy steel pipe/steel tube
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Standard
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ASTM A106 ,ASTM A53 ,API5L B ,ASTM A179, ASTM A210 ,ANSI B36.10, GB 5310,GB6479,GB9948,GB/T17396GB 3087, GB/T 8162 ,GB/T8163
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Outer Diameter
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10.3-914mm
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Wall Thickness
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4-150mm
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Length
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6m,12m or as per customer's requirements
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Packing
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In bundles tied with steel stripes
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Payment Term
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T/T, L/C at sight
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Delivery Time
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Within 7-60 days after signing the contract or as your requirement
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Delivery condition
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Beveled or Plain end with varnish/2PP/2PE/3PE/3PP anticorrosive coatingas per clients confirmation ; With or without protecting
caps as percustomer's requirements;with FBE internal coating for water steel pipes.
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Material
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A53(A,B),A106(A,B),Q345,16Mn, 10# 20#,45# S235JR, 1010,1020,1030,1040,1050,ASTMA252 Gr.2,Gr.3; ST37,ST42,ST52;Gr.B,X42,X46,X52,X56,X60,X65,X70, etc
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Usage
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for petroleum/ natural gas pipeline , for conveying water,drainage,coal gas, mineral slurry and other low-middle pressure
liquids. Also for chemical industry, building structure,heat-supply and pile driving projects.
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Export to
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Canada, USA, Argentina,Peru, Chile, Colombia, Brazil, Venezuela,Malaysia, Singapore, the Czech Republic, Australia, Myanmar,
Kenya, South Africa, Spain, Italy, France, England, the Netherlands,Belgium, etc
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Certificates
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API 5L; ISO9001:2000
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Material | component | C | Si | Mn | P | S | Cr | Ni | Cu |
ASTM 1320 GB 20Mn2 | minimum value | 0.17 | 0.17 | 1.4 | - | - | - | - | - |
maximum value | 0.24 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
ASTM 1330 GB 30Mn2 | minimum value | 0.27 | 0.17 | 1.4 | - | - | - | - | - |
maximum value | 0.34 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
ASTM 1335 GB 35Mn2 | minimum value | 0.32 | 0.17 | 1.4 | - | - | - | - | - |
maximum value | 0.39 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
ASTM 1340 GB 40Mn2 | minimum value | 0.37 | 0.17 | 1.4 | - | - | - | - | - |
maximum value | 0.44 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
ASTM 1345 GB 45Mn2 | minimum value | 0.42 | 0.17 | 1.4 | - | - | - | - | - |
maximum value | 0.49 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
GB 50Mn2 DIN 50Mn7 | minimum value | 0.47 | 0.17 | 1.4 | - | - | - | - | - |
maximum value | 0.55 | 0.37 | 1.8 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 | |
DIN 20MnV6 1.5217 GB 20MnV |
minimum value | 0.17 | 0.17 | 1.3 | - | - | - | - | - |
maximum value | 0.24 | 0.37 | 1.6 | 0.035 | 0.035 | 0.3 | 0.3 | 0.3 |
Material | Diameter (thickness) d mm |
tensile strength σ b Mpa |
Yield point σ s Mpa |
Elongation or elongation after fracture δ % |
Hardness HBW |
Impact absorbed energy KV2 J |
ASTM 1320 GB 20Mn2 | d=15 | ≥785 | ≥590 | ≥10 | ≤187 |
≥47 |
ASTM 1330 GB 30Mn2 | d=25 | ≥785 | ≥635 | ≥12 | ≤207 |
≥63 |
ASTM 1335 GB 35Mn2 | d=25 | ≥835 | ≥685 | ≥12 | ≤207 | ≥55 |
ASTM 1340 GB 40Mn2 | d=25 | ≥885 | ≥735 | ≥12 | ≤217 | ≥55 |
ASTM 1345 GB 45Mn2 | d=25 | ≥885 | ≥735 | ≥10 | ≤217 |
≥47 |
GB 50Mn2 DIN 50Mn2 | d=25 | ≥930 | ≥785 | ≥9 | ≤229 | ≥39 |
DIN 20MnV6 1.5217 GB 20MnV | d=15 | ≥785 | ≥590 | ≥10 | ≤187 |
≥55 |
Specification: outer diameter of hot-rolled pipe is 32~630mm. The wall thickness is 2.5~75mm. The outer diameter of cold rolled (cold drawn) pipe is 5~200mm. The wall thickness is 2.5~12mm.
Appearance quality: the internal and external surfaces of steel pipes shall be free of cracks, folds, folds, delamination, hairlines and scabs. These defects shall be completely removed, and the wall thickness and outer diameter shall not exceed the negative deviation after removal.
Both ends of the steel pipe shall be cut at right angles and the burrs shall be removed. Gas cutting and hot saw cutting are allowed for steel pipes with wall thickness greater than 20mm. The head may not be cut after the agreement between the supplier and the supplier.
Seamless pipes are widely used. Seamless pipes for general purposes are rolled by 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 conveying fluid.
Supply is divided into three types according to different purposes: a. Supply according to chemical composition and mechanical properties; B. Supply according to mechanical properties; C. Supply according to hydraulic test. The steel pipes supplied according to category a and b shall also be subjected to hydraulic test if they are used to bear liquid pressure.
There are many kinds of seamless pipes for special purposes, such as boiler seamless pipes, geological seamless pipes and petroleum seamless pipes.
Q1:who are we?
A:We are based in Shandong, China, start from 2022,sell to North America(60.00%),Western Europe(14.00%),South America(6.00%).