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Carbon steel pipes are made of steel ingots or solid round steels through perforation into capillary tubes, which are then hot-rolled, cold-rolled or cold-drawn. Carbon steel pipe plays an important role in my country's steel pipe industry.
Carbon steel pipes are divided into two categories: hot-rolled and cold-rolled (drawn) steel pipes.
Hot-rolled carbon steel pipes are divided into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes.
In addition to general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, and other steel pipes, cold-rolled (pulled) carbon steel pipes also include carbon thin-walled steel pipes, alloy thin-walled steel pipes, non- Rust thin-walled steel pipe, special-shaped steel pipe. The outer diameter of hot-rolled seamless pipes is generally greater than 32mm, and the wall thickness is 2.5-75mm. The outer diameter of cold-rolled seamless pipes can reach 6mm and the wall thickness can reach 0.25mm. The outer diameter of thin-walled pipes can reach 5mm and the wall thickness is less than 0.25mm. Cold rolling has higher dimensional accuracy than hot rolling.
General carbon steel pipe: It is made of 10, 20, 30, 35, 45 and other high-quality carbon steel 16Mn, 5MnV and other low-alloy structural steel or 40Cr, 30CrMnSi, 45Mn2, 40MnB and other alloy steel hot-rolled or cold-rolled. Seamless pipes made of low carbon steel such as 10 and 20 are mainly used for fluid transportation pipelines. 45, 40Cr and other medium carbon steel seamless pipes are used to manufacture mechanical parts, such as the stressed parts of automobiles and tractors. Generally, carbon steel pipes are used to ensure the strength and flattening test. Hot-rolled steel pipes are delivered in hot-rolled or heat-treated state; cold-rolled steel pipes are delivered in heat-treated state.
Porduct Name | Seamless carbon steel pipe |
Outer Diameter | 1/2"--24",according to customer requirements |
Thickness | 4--50mm,according to customer requirements |
Length | 1--12M ,according to customer requirements |
Type | Round |
Surface Treatment | Bare, Black Painted, Varnish Coating, galvanized etc. |
Marking | Standard Marking, or according to customer's requirements. Marking Method: Automatic Spray of White Paint. |
Application | Petrochemical industy;avation and aerospace industry;pharmaceutical industry;gas exhaust; power plant; ship buliding;water treament,etc. |
Advantages | 1, Quick Respond 2, Reasonable Price 3, Abundant stock and prompt delivery 4, Flexible payment terms 5, Rich experiences in manufacturing and exporting |
| Main Produdion Category | Seamless Steel Tube/Pipe, Cold Drawn Steel Bar, Precision Welded Pipe, Rebar Coupler, Steel Pipe Further Processing |
| Tolerance | Tolerance ±0.10mm, Superior products ±0.05mm, Can be customized according to customer's requirements |
| Technique | Cold Drawn / Cold Rolled |
| Finished Product Condition | BK, BKS, +C, +LC, +SR, +A, +N |
| Shape | Round or Special shapes |
| Raw Material Brand | Baosteel, Xingcheng, Shagang, Tenith, Jiyuan and other manufacturers |
| Main Standards | ASTM A519, A530, A179, A192 |
| DIN10297-1, DIN17121, DIN1629, DIN2391, EN10305, EN10087, BS970 | |
| JISG3441, JISG3444, JISG3445, JISG4804 | |
| GOST8733, GOST8734, GOST8645,GOST8639, GOST1414 | |
| Further Processing for Steel Tubes | Heat treatment (Quenching and Tempering), Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking |
| Featured Products | Free Cutting Steel Tube, Precision Tube, Special Shaped Steel Tubes, Alloy Pipe, Small-Diameter Thick-Wall Steel Tube |
| Material / Grade | |
| Carbon Steel | GB/T 8162 & 8163 & 3639: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105 |
| ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050 | |
| DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53 | |
| JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4 | |
| JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420 | |
| Alloy Steel | GB/T 8162 & 8163 & 3639: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND) |
| ASTM A519: 5120, 5140, 4130, 4135, 4140 | |
| DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5 | |
| JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4 | |
| JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420 | |
| Free Cutting Steel | GB/T 8731: Y15, Y15Pb |
| ASTM A519: 1213, 1215, 1144, 12L14 | |
| DIN/EN 10087: 11SMn30(1.0715), 11SMn37(1.0736) | |
| BS970: EN1A | |
Standard Export Packaging by Sea or Customized
3. Has passed the international standard quality test
4. 7*24 hours professional team service
5. Fast delivery date as short as seven days
6. One-step sales service to ensure after-sales level
1. who are we?
We are based in TianJin, China, start from 2021,sell to Africa(20.00%),Mid East(15.00%),South America(10.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Oceania(5.00%),Southeast Asia(10.00%),Central America(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Cold Rolled Steel Coil,Steel Pipe,Galvanized Steel Coil,Stainless Steel Plate/Sheet,Seamless Steel Tube
4.. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Portuguese,French,Russian
