Audited Supplier
OD: 8mm~140mm
Wall thickness: 0.8mm~20mm
Tolerance: +/-0.1mm
Technique: Cold drawing/Cold rolling
Standard: ASME SA192/SA179, GB/T8162, GB/T8163, GB/T3639, DIN2391-2
Steel material: 20#(AISI 1020/DIN1.0402 C22), 45#(ASTM 1045,DIN45), 20Cr, 40Cr, ST52, ST45, ST37.4, Q345B, etc
Delivery state: BK, BKW, NBK, GBK, BKS
Usage: widely used for mechanical processing, Automobile industry, hydraulic equipments
Advantages of our high precision seamless steel pipe:
1. Smaller caliber
2. Accept small qty order
3. Good surface treatment
4. The pipe with superior performance, suitable for mechanical making
Chemical composition(%) of precision pipe's commin grade
| 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 | \ |
| Steel material | Tensile Strength Mpa | Yield strength Mpa | Elongation % | Hardness | Straightness |
| 20# | ≥510 | ≥245 | ≥25 | ≤156HB | 0.3~1.0 |
| 45# | ≥647 | ≥355 | ≥16 | ≤HRC62 | 0.3~1.0 |
| Thickness±10% (smallest±0.12mm) | ||||||||
| 0.5 | -0.8 | 1 | -1.2 | 1.5 | -1.8 | 2 | ||
| outer diameter | Inner diameter (nominal value and allowable deviation) | |||||||
| Size | Allowable deviation | |||||||
| 4 | ±0.10 | 3±0.30 | 2.4±0.30 | 2±0.30 | ||||
| 6 | 5±0.25 | 4.4±0.25 | 4±0.25 | 3.6±0.30 | ||||
| 8 | 7±0.20 | 6.4±0.20 | 6±0.20 | 5.6±0.30 | 5±0.30 | 4.4±0.35 | 4±0.35 | |
| 10 | 9±0.15 | 8.4±0.15 | 8±0.20 | 7.6±0.25 | 7±0.25 | 6.4±0.30 | 6±0.30 | |
| 12 | 11±0.15 | l0.4±0.15 | 10±0.15 | 9.6±0,20 | 9±0.20 | 8.4±0.25 | 8±0.25 | |
| 14 | 13±0.10 | 12.4±0.10 | 12±0.10 | 11.6±0.15 | 11±0.15 | 10.4±0.20 | 10±0.20 | |
| 16 | 15±0.10 | 14.4±0.10 | 14±0.10 | 13.6±0.10 | 13±0.10 | 12.4±0.15 | 12±0.15 | |
| 25 | 24±0.10 | 23.4±0.10 | 23±0.10 | 22.6±0.10 | 22±0.10 | 21.4±0.10 | 21±0.10 | |
| -26 | 25±0.10 | 24.4±0.10 | 24±0.10 | 23.6±0.10 | 23±0.10 | 22.4±0.10 | 22±0.10 | |
| 28 | 27±0.10 | 26.4±0.10 | 26±0.10 | 25.6±0.10 | 25±0.10 | 24.4±0.10 | 24±0.10 | |
| 30 | 29±0.10 | 28.4±0.10 | 28±0.10 | 27.6±0.10 | 27±0.10 | 26.4±0.10 | 26±0.10 | |
| 35 | 34±0.15 | 33.4±0.15 | 33±0.15 | 32.6±0.15 | 32±0.15 | 31.4±0.15 | 3l±0.15 | |
| 38 | 37±0.15 | 36.4±0.15 | 36±0.15 | 35.6±0.15 | 35±0.15 | 34.4±0.15 | 34±0.15 | |
| 40 | 39±0.15 | 38.4±0.15 | 38±0.15 | 37.6±0.15 | 37±0.15 | 36.4±0.15 | 36±0.15 | |
| 45 | 43±0.20 | 42.6±0.20 | 42±0.20 | 41.4±0.20 | 41±0.20 | |||
| 50 | 48±0.20 | 47.6±0.20 | 47±0.20 | 46.4±0.20 | 46±0.20 | |||
| 55 | ±0.25 | 53±0.25 | 52.6±0.25 | 52±0.25 | 51.4±0.25 | 5l±0.25 | ||
| 60 | 58±0.25 | 57.6±0.25 | 57±0.25 | 56.4±0.25 | 56±0.25 | |||
| 70 | 68±0.30 | 67.6±0.30 | 67±0.30 | 66.4±0.30 | 66±0.30 | |||
| 76 | ±0.35 | 74±0.35 | 73.6±0.35 | 73±0.35 | 72.4±0.35 | 72±0.35 | ||
| 80 | 78±0.35 | 77.6±0.35 | 77±0.35 | 76.4±0.35 | 76±0.35 | |||
| 90 | ±0.40 | 87±0.40 | 86.4±0.40 | 86±0.40 | ||||
| 100 | ±0.45 | 96.4±0.45 | 96±0.45 | |||||
| 110 | ±0.50 | 106±0.50 | ||||||
| 120 | 116±0.50 | |||||||
| 150 | ±0.75 | |||||||
| 180 | ±0.90 | |||||||
| 200 | ±1.0 | |||||||
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
