Product Description
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Standard |
GB, ASTM, BS, AISI, DIN, JIC, OST, API, ASTM A106, ASTM A53, ASTM A179,ASTM A210, ASTM A213GB/T 3639 DIN 2448, DIN1629,DIN1626,DIN2391,DIN2444,EN10025etc |
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Material |
10#,20#,45#,Q345,16Mn,15CrMo,30CrMo, 1Cr5Mo, 40Cr,42CrMo S235JR,S355JR, ST37,ST42,ST52,ST35 A106,A53, A179, 1020,T5, 42CrMo4,25CrMo4, 4130,4140 |
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Tolerance |
Control with in the standard,OD:±0.5mm, WT:±0.5mm |
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Grade |
10#,20#,35#,45#,20cr,40Cr,20CrMo,16mn,ST35, ST37,ST37.4,ST45,ST52 and etc |
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Shipment |
20feet container load 20tons pipe whose length is under 5.8m 40feet container load 20tons pipe whose length is under 11.8m |
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Technology |
Hot rolled |
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Length |
5.8-12m, random or fixed, as the clients' requests |
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Packing |
In bundles tied with steel stripes,According to customer requirements |
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Trade terms |
CIF CFR FOB ect |
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Delivery time |
25days |
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Payment terms |
T/T, L/C at sight etc |
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Business type |
Manufacture and exporter |
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Application |
Construction,machine structure pipe, Agriculture equipment pipe, Water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc |
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Detailed Images

Hot rolling (extrusion seamless steel pipe): round billet → heating → perforation → three-roll cross-rolling, continuous rolling or extrusion → pipe removal → sizing (or reducing diameter) → cooling → straightening → hydrostatic test (or Flaw detection) → mark → warehousing


Hot-rolled seamless steel pipes are divided into general steel pipes, low and medium pressure boiler pipes, high pressure boiler pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes Seamless steel pipes are generally made by hot rolling or cold rolling of high quality carbon-bonded steel 16Mn, 5MnV or alloy steel 40Cr, 30CrMnSi, 45Mn2 and 40MnB.
Measure OD :140mm ID :5~25MM Workers measure the dimensions of newly produced steel tubes Temperature: 800-100 degrees Celsius



Packing & Delivery







Q: How about the delivery terms? A: 1. Payment: T/T, 30% deposit in advance and balance before delivery. 2. Min. Order Quantity:3TON or as required. 3. Transportation: By express (DHL,TNT,),air,sea,and train. Q: Do you accept sample order? A: Yes sure, please contact us for details. Q: How about your after-sales service? A: As a professional steel exporter, we offer promote technology support for all problems and questions. Besides, we accept goods return or replace for quality problem. Q: How does your company control the quality? A: Quality first. In order to guarantee high quality for our products, Modern always makes a serious inspection for all products and raw materials in strict procedure.
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