| Customization: | Available |
|---|---|
| After-sales Service: | 20 Years Warranty |
| Warranty: | 20 Year |
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| PRODUCT PARAMETERS | ||
| material: | Carbon steel: | 10 #, 20 #, 35 #, 45 #, S45C, 55 #, Q235B, Q235C, Q345D, CF53, A105. |
| Alloy steel: | 16(Q345B),20Cr,40Cr,15CrMo,20CrMo,28CrMo,30CrMo,35CrMo,42CrMo, 4130,4140,20CrMnTi,40MnMoV,20Mn2,37Mn5,ZF6,16MnCr5,20MnCr5, 36Mn2V,38Mn2V,20Mn2,65Mn,15Mo3. | |
| Production range: | Outer diameter: 10-120mm Wall thickness: 1.2-17mm Length: Optional variable size, fixed size, double size, full size |
|
| Delivery condition: | Annealed, cold and bright. | |
| Finished product surface treatment: | soaking anti-rust oil pickling passivation | |
| Steel pipe implementation standards: | Seamless steel pipe for structure :GB/T 8162-2018 | |
| Seamless steel pipe for conveying fluid :GB/T 8163-2018 Steel pipe clamp | ||
| Cold-drawn or cold-rolled precision seamless steel pipe :GB 3639-2009 Line standard | ||
| Cold-drawn shaped steel pipe :GB/T 3094-2012 | ||
| Seamless steel pipe for automobile stabilizer bar :GB/T 33821-2017 | ||
| Steel pipe testing equipment: | Tensile testing machine, Rockwell hardness machine, Eddy current testing, chemical composition testing instrument, magnetic powder flaw detection instrument, full phase analysis instrument, surface roughness measuring instrument, outer diameter micrometer, wall thickness micrometer, inner diameter dial indicator, vernier caliper | |
| 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 | |
Our company is a collection of R & D, production, management as one of the group company, the company and subsidiaries mainly produce carbon steel series, stainless steel series, galvanized series, aluminum series and PPGI, PPGL series and other products of modern enterprises. The company covers an area of 36,000 square meters and employs more than 500 people. The leading products are seamless steel pipe, carbon steel bar, color coated plate and aluminum foil, which are famous brand products in Shandong Province. Hanbang Brand is a well-known brand in China. The company won the seventh Mayor Quality Award. It is the single champion enterprise in Shandong Province, the quality benchmark enterprise in Shandong Province, the national contract-abiding and credit-keeping enterprise, and the national "Architectural Decoration color Steel Plate" and other 16 national, industrial and group standards. Prepare the units. Products are exported to Russia, Canada, Australia, Africa, South America, Southeast Asia and other more than 40 countries and regions.
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 the most 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: 2 Ton
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