Home > Products > Cold Rolled/Drawn Tube > DIN2391 Precision Seamless Honed hydraulic pipe
DIN2391 Precision Seamless Honed hydraulic pipe
- 500 Metric Ton / Metric Tons per Month
- qingdao yantai
- T/T Credit Card
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Product Details
Place of Origin: | Shandong, China | Thickness: | 2, 30 | ||
Application: | Hydraulic Pipe | Surface Treatment: | Other | Technique: | Cold Drawn |
Alloy Or Not: | Non-alloy | ||||
Secondary Or Not: | Non-secondary | Section Shape: | Round |
Product Description
DIN2391 Precision Seamless Honed hydraulic pipe
grade and tolerance
Grade | OD | ID | Tolerance | WTD | Ovality | Curvature | |
OD | ID | ||||||
20# 45# SKTM13C-T(25Mn) 27SiMn Q345D ST52 SAE1026
| 40-74 | 30-65 | ±.01 | −0.3,−0.5 | ≤0.5 | ≤0.1 | 0.3 |
74-98 | 65-85 | ±.01 | −0.4,−0.6 | ≤0.5 | ≤0.15 | 0.3 | |
100-116 | 85-100 | ±.01 | −0.4,−0.6 | ≤0.6 | ≤0.15 | 0.3 | |
124-134 | 110-115 | ±.02 | −0.6,−0.8 | ≤0.6 | ≤0.20 | 0.3 | |
140-158 | 120-135 | ±.02 | −0.7,−0.9 | ≤0.8 | ≤0.20 | 0.3 | |
165-176 | 140-150 | ±.02 | −0.7,−0.9 | ≤0.8 | ≤0.20 | 0.3 | |
188-203 | 160-180 | ±.02 | −0.7,−0.9 | ≤0.8 | ≤0.20 | 0.3 |
product specification
Commodity |
|
Size | OD:20mm-300mm WT:2mm-30mm |
honed tube ID tolerance | H8,H9 |
honed tube or SRB Surface roughness | Ra 0.02— 0.4μm |
Length | According to the request of the clients |
Grade | 20#(aisi1020,ck20),45#(aisi1045,ck45),st52(16Mn,Q345D), 25Mn(stkm13c-t), 27SiMn, SAE1026,E355 |
Standard | GB/T8713,GB/T3639,DIN2391 EN10305,ASTMA519 |
Delivery condition | BK,BKW,GBK,NBK,BKS |
Place of Origin | Yantai,China |
MOQ | 5MT |
Package | standard packing with plastic caps and strapped bundles or wooden box or as requests of the clients |
Payment | L/C or T/T (30% in advance and 70& against copy of B/L) |
Technique | Cold drawing, cold rolling, hot rolling or hot expanding,honed,srb |
Usage | Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building, liquid service , petroleum cracking, chemical fertilizer equipment ,drawing-oil-equipment and structure purposes. |
our tubes
1.Seamless steel tube and carbon tube
Widely used in oil,drilling, gas, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and AISI 1020. We can also offer as customized seamless steel tube.
2.precision steel tubes
cold drawn steel tube/cold rolled steel pipe
Grade: 20#45#16Mn25Mn Q345 27SiMnE355ST52 STKM13A STKM13C
Standard: GB/T8713GB/T3639DIN2391EN10305ASTMA519
Range: 30-300mm
Length: 11m(max)
The cold process can remove the oxide layer outside to improve surface and offer better mechanical property, also can change ID,OD,WT to meet every client request.
3. Honed steel tube&SRB steel pipe
ID Tolerance: H8H9 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.
4.Hydraulic cylinder steel tube
Delivery Condition
1. BK(+C)
the final heat treatment after cold forming, threfore small steel pipe plasticly, the plasticly degree does not guarantee
2. 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 again
3. NBK(+N)
after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
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. GBK(+A)
after cold forming, annealing in non oxidizing medium protective gas
packaging details:
1.bundle with steel strips
2.brand parcel
3.wooden box
4.as clinets request
delivery details: 15days after payment
1.Our History
In 1992,Yantai Xinpeng steel pipe established.
In 2000,Xinpeng is equipped with JLB250T cold drawn machine set, LD120 precision cold rolled machine set, straightening machine, box heat treat furnaces(8000-10000mm)
In October 2002, Shandong Penghui Hydraulic Cylinder Co,. LTD. Was established.
In 2012, Xinpeng have equipped the CNC Skive and roller burnished machine set (6000mm)
In 2013, Xinpeng equipped several powerful honing machines. Combined cold drawn , cold rolling, heat treatment and SRB and honing process together to product the best quality products.
2. Our Factory
Yantai xinpeng steel pipe co,.ltd. is Located in the beautiful coastal city-Yantai, urban area of Yantai with convenient transportation.
Registered capital is 5 million Yuan.
Workers are more than 100 persons.
Monthly output is 500tons.
3.Our Product
Yantai Xinpeng Products includes the following:
1. Cold drawn tube
2, cold rolled tube
3,honed tube
4,cylinder tube
5. seamless tube
6.Alloy tube
7. Precision tube
Which are widely used in hydraulic and pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery and other field.
Product standard: EN10305 DIN2391 GB/T3639 and so on.
4.Production Equipment
Xinpeng is equipped with JLB250T hydraulic cold drawn machine set LD120 cold rolled set. Powerful honing machine set, CNC skived and roller burnished machine set. OD polishing machine, lathe machine, and CNC sawing machines.
1.Hydraulic Cylinder Tube---Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT, ST52, CK45 and 1020. We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.
2.SRB tube ----- Used in Elevator,buffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube.
Range: ID 50-250mm and Length can work at most 6M.
3.Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11m
1.portable hardness tester
2.wall thickness gauge
3.ultrasonic flaw detector
4.digital rockwall hardness tester
5.tensile testing machine
6.USA import UT test machine
1.High Efficiency
1).7 Days *24Hours phone and email in service.
2).Your inquiry will be replied in 24 hours
2. High Quality
1). Well-trained and qualified staff to answer all your questions
2). We are Alibaba VIP golden supplier
Tel +86-535-6835398
Website:
Contact Us
- Xinpeng Steel Pipe Co., Ltd.
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