Audited Supplier
Product Name | Precision Steel Pipe |
Technique | Cold Rolled/Cold Drawn |
Material | 10#,20#,35#,45#,Q345B 20cr,40Cr,20CrMo 6mn 27simn 304 201 310S etc. |
Standard | ASTM A106 ASTM A53 ASTM A179 ASTM A210 ASTM A213 GB/T3639 DIN 2448 DIN1629 DIN1626 DIN2391 DIN2444 EN10025etc. |
Outside Diameter | 10mm-1020mm or as your request |
Thickness | 2mm-80mm or as your request |
Length | Single random length/double random length 5m-14m 2-12m |
Application | Oil pipe line, Drill pipe, Hydraulic pipe, Gas pipe, Fluid pipe,Boiler pipe,Conduit pipe, Scaffolding pipe pharmaceutical and ship building etc. |
| Standard | Grade | C | Si | Mn | s | p | Cr |
| GB/T 699 GB/T 3639 GB3077 GB/T1591 GB/T 8163-2018 | 10# | 0.07~0.13 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ |
| 20# | 0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ | |
| 35# | 0.32~0.39 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ | |
| 45# | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | \ | |
| 40Cr | 0.37~0.44 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | 0.08~1.10 | |
| 25Mn | 0.22~0.29 | 0.17~0.37 | 0.70~1.00 | ≤0.035 | ≤0.035 | ≤0.25 | |
| Q345B | ≤0.20 | ≤o.50 | ≤1.7 | ≤0.035 | ≤0.035 | ≤0.3 | |
| 37Mn5 | 0.30~0.39 | 0.15~0.30 | 1.20~1.50 | ≤0.015 | ≤0.020 | \ |
| Standard | Grade | Delivery Conditions | |||
| BK(hard) | BKW(soft) | ||||
| Tensil Stength(Mpa) | Make percentage elongation(%) | Tensile stength(Mpa) | Make percentage elongation(%) | ||
| GB/T 3639 GB 3077 | 20# | ≥550 | ≥10 | ≥490 | ≥15 |
| 25Mn | ≥600 | ≥12 | ≥540 | ≥15 | |
| Q345B | ≥620 | ≥12 | ≥550 | ≥15 | |
| 45# | ≥645 | ≥8 | ≥625 | ≥15 | |
| 40Cr | ≥784 | ≥14 | \ | \ | |
| 37Mn5 | ≥784 | ≥14 | \ | \ | |
| Standard | Inner Diameter(mm) | Inner Diameter Deviation(mm) | |||
| GB1801-79 | H7 | H8 | H9 | H10 | |
| 30 | 0~+21 | 0~+33 | 0~+52 | 0~+84 | |
| 30-50 | 0~+25 | 0~+39 | 0~+62 | 0~+100 | |
| 50-80 | 0~+30 | 0~+46 | 0~+74 | 0~+120 | |
| 80-120 | 0~+35 | 0~+54 | 0~+87 | 0~+140 | |
| 120-180 | 0~+40 | 0~+63 | 0~+100 | 0~+160 | |
| 180-250 | 0~+46 | 0~+72 | 0~+115 | 0~+185 | |
| 250-315 | 0~+52 | 0~+81 | 0~+170 | 0~+210 | |
| 315-400 | 0~+57 | 0~+89 | 0~+140 | 0~+230 | |
| Designation | Symbol | Description |
| Cold finished (hard) | BK | Tubes do not undergo heat treatment following the final cold forming and,thus, have a rather high resistance to deformation |
| Cold finished (soft) | BKW | The final heat treatment is followed by cold drawing involving limited deformation.Appropriate further processing allows a certain degree of cold forming(e.g. bending expanding). |
| Cold finished and stress-relleved | BKS | Heat treatment is applled following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree |
| Annealed | GBK | The last cold forming process is followed by annealing in a controlled atmosphere |
| Normalized | NBK | The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere |
1. wood pallet packing cover with water-proof paper
2. steel pallet packing cover with water-proof paper
3. wood box packing
4. steel pallet packing cover with steel box
5. in bundles with steel strip no extra packing
6. packaged as customers' requirments.
Shandong Chuangxian New Materials Co., Ltd. is an import and export group company integrating production and sales. The company and its subsidiaries are equipped with a number of international advanced production lines. More than 10 years of experience in the steel industry. At the same time, the company's annual reserve of more than 100, 000 tons, to ensure short-term delivery.
Chuangxian brand is a Shandong trademark. The company and the group produce seamless steel pipe, cast iron pipe, steel bar, I steel, galvanized coil, corrugated board, stainless steel plate and other products. Production, inspection, service and management system with ISO9001: 2008 and ISO14001: 2004 dual certification guarantees. It is not only popular in the domestic market, but also exported to overseas markets. Products are exported to North America, South America, Africa, Southeast Asia, Europe, Oceania and other parts of the world.
We sincerely welcome customers at home and abroad to visit us, seek common development and create brilliant future together !
1. Q: Are you a manufacturer?
A:Yes, we are manufacturers. We have our own factory and our own company. I believe we will be themost suitable supplier for you.
2. Q: Can we visit your factory?
A: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.
3. Q: Do you have quality control system?
A: Yes, we have ISO, BV, MTC, certifications and our own quality control laboratory.Third party testing services are also available.
4. Q: Can you arrange the shipment for us?
A: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with earlist vessel and professional service.
5. Q: How long is your delivery time?
A: Generally it is 7days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for delivery.
6. Q: Can I get some samples?
A: We are glad to provide free samples to you, but we do not offer the freight.
7. Q: What is your after-sale service?
A: We provide after-sale service and offer 100% guarantee on our products.
8. Q: What is your MOQ?
A: 1 Ton
