Home > Products > main products > Hot Selling China Sch40 Low Carbon Seamless Steel Tube And Pipe
Hot Selling China Sch40 Low Carbon Seamless Steel Tube And Pipe
- Yantai Qingdao or as client's request
- T/T
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Product Details
Thickness | 2, 30 | Section Shape | Round | |
Outer Diameter | 30 - 250 mm | Place of Origin | Shandong, China | |
Secondary Or Not | Non-secondary | Application | Other, Hydraulic Pipe, hydraulic cylinder, excavator, forklifts and so on | |
Certification | Other, ISO9001:2008 | Surface Treatment | Other, as client's request | |
Alloy Or Not | Non-alloy |
Product Description
Hot Selling China Sch40 Low Carbon Seamless Steel Tube And Pipe
1.Product: Hot Selling China Sch40 Low Carbon Seamless Steel Tube And Pipe
2.Technical specification: Suitable for hydraulic cylinder tube
3.Grade:20# 45# Q345 25Mn 27SiMn
4.Outer diameter: 30-250mm
5.Wall thickness: 2-30mm
6.Package: standard packing with plastic bags or as client's request
7.Delivery time: within 20-30 days after receiving downpayment or as client's request
8.Trade terms: FOB Yantai, Qingdao or as client's request
9.Origin: China
What we focus on are:
--Tight tolerance
--High quality
--Good mechanical property
--Quick delivery
--Best service
--Reasonable price
What we can provide are:
--Seamless steel pipe
--Cold drawn steel pipe
--Cold rolled steel pipe
--Honed steel pipe
--SRB steel pipe
--Polished steel pipe
......
Company
Located in the beautiful coastal city-Yantai, our company mainly produces various specifications of precision hydraulic steel tube, which are widely used in hydraulic and Pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery, oil drilling and other field.
Product
Widely used in oil,drilling, gas, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can also offer ascustomized seamless steel tube.
ld drawn/rolled steel tube
Grade: 20# 45# 16Mn 25Mn 27SiMn E355 SAE1026
Standard: GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519
Range: 30-300mm
Length: 11m(max)
The cold process can remove the oxide layer outside to improve surface and offer better mechanical property.
3. SRB&Honed steel tube
ID Tolerance: H8 H9 or as client's request
ID Roughness: RA0.4micron(max)
Length: 6m(max)
Inner roughness: Ra0.2-0.8um
Straightness: 1:1000 or customized
This process can improve the roughness of the inner tube to 0.2-0.8um and make tube for cylinder using directly.
Process
Equipped with JLB250T hydraulic cold drawn set, LD120 cold rolling set, annealing furnace, strong honed machine, polising machine,lathe,saws CNC skived and roller burnished machine, kinds of testing machine.
Technique and tolerance
Working Method | Range | Size of ID | Tolerance | |||||
ID tolerance | WT(mm) | Ovality | Curvature | |||||
H8 | H9 | H10 | ||||||
Cold Drawn | 25-250 | >30-50 | +0.0390 | +0.0620 | +0.1000 | ±5% to 7.5% ID>210mm ±10% | ≤0.10-0.20 | 0.3 |
Cold rolling | 25-150 | >50-80 | +0.0460 | +0.0740 | +0.1200 | |||
Cold drawn-hone | 40-250 | >80-120 | +0.0540 | +0.0870 | +0.1400 | |||
Cold drawn-SRB | 50-250 | >120-180 | +0.0630 | +0.1000 | +0.160 | |||
Cold drawn-polish | 40-250 | >180-250 | +0.0720 | +0.1150 | +0.1850 | |||
Cold drawn-polish-SRB | 50-250 | Other size and technique parameter upon request |
Mechanical Performance
| 20# | 45# | 25Mn | Q345D |
Grade | 20# | 45# | STKM13-T | Q345D |
Tensile strength | ≥520 | ≥600 | ≥600 | ≥600 |
Yield strength | ≥375 | ≥520 | ≥530 | ≥520 |
Elongation | >15 | >15 | >15 | >12 |
Technique | Cold drawn+SR | Cold drawn+SR | Cold drawn(Cold rolled)+SR | Cold drawn+SR |
Delivery condition
1. NBK(+N)
after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
2. GBK(+A)
after cold forming, annealing in non oxidizing medium protective gas
3. BK(+C)
the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee
4. BKW(+LC)
after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)
5. BKS(+SR)
have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing
Logistic&Packing
With long term agreement with wellknown shipping company and forwarder , we can get best rate on ocean freight
1. standard export packing using plastic foam and wooden cartons
2. marking as per customer's requests
3. or as client's request totally
Our service
1. Cargo track service during transporting and feedback service after cargo is loaded on board
2. Flexible terms of payment by T/T , L/C And so on.
3. Big discount for repeat customers
4. Smooth delivering procedure
5. More than 20 years steel trading experience
6.Alibaba trade assurance supplier
Our supplier and customer
We have regular supplier such as Baosteel, Zhongke innovation, PangangGroup, which assure our high quality material .
Just because the 100% quality guarantee material, all our products are popular at home and abroad, Doosan, Sinotruk, and many foreign companies in Australia, Ukraine, Korea, etc.
FAQ
1. What is your terms of delivery?
We accept FOB Yantai, Qingdao or as client’s request.
2.What’s your main market?
We have contacted with many countries all over the wold such as Korea, Iran, Ukraine, Pakistan and so on.
3.What’s your package?
Usually, we have standard package with plastic bags, or wooden cartons or as client’s request.
4.What about your quality?
Strictly followed by ISO9001 system, all our products are in high quality control and tight tolerance.
5.What about the delivery time?
Usually, we will arrange the cargo within 20-30 days after receiving your payment or as client's request as soon as possible because of the stock.
6. Why buy from your company?
We are professional manufacturer and we can offer competitive pricing, fast turnaround times, quick worldwide delivery, excellent procurement capabilities for even the most difficult-to-find parts, and more than 20 years of combined experience.
Waiting for your contact!
Contact Us
- Yantai Xinpeng Steel Pipe Co., Ltd.
- Contact nameJudy Gao Chat Now
- Phone0086-535-6835398
- Address2th,Binglun Road,APEC Technology Industrial Park,Zhifu District,Yantai City, Yantai, Shandong
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