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high standard AISI 4130 Seamless Steel alloy pipe
- 1000 per Month
- T/T Credit Card
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- Competitive price cold rolled seamless pipe steel price per ton
- Seamless Steel Cylinder using cold rolled tube
Product Details
Place of Origin: | Shandong, China | Thickness: | 3, 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
high standard AISI 4130 Seamless Steel alloy pipe
precision steel tube technique and tolerance
Working method | Range | ID size | Tolerance | ||||||
ID Tolerance | WT | Ovality | Curvature | ||||||
H8 | H9 | H10 | |||||||
cold drawn | 25-250 | >30-50 | +0.039 0 | +0.062 0 | +0.100 0 |
±5% to 7.5% ID>210mm ±10% |
≤0.10-0.20 |
0.3 | |
cold rolling | 25-150 | >50-80 | +0.046 0 | +0.074 0 | +0.120 0 | ||||
cold-drawn-honed | 40-250 | >80-120 | +0.054 0 | +0.087 0 | +0.10 0 | ||||
cold drawn-SRB | 50-250 | >120-180 | +0.063 0 | +0.100 0 | +0.160 | ||||
cold drawn-polish | 40-250 | >180-250 | +0.072 0 | +0.115 0 | +0.185 0 | ||||
polish-SRB | 50-250 | other size and technique parameter upon request |
chemical composition
Grade | chemical composition% | ||||
C | Si | Mn | P | S | |
20# | 0.17-0.24 | 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 |
SKTM13C-T(25Mn) | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 |
PRODUCT INTRODUCTION
Diameter | OD 30mm - 250mm(1"~16") WT 3~30mm | |
Standard | GB/T8162,GB/T8163 and DIN/JIS/ASTM standard | |
DIN | 10#(ST37-2,ST35-8),20#(ST42,ST45-4/8), 45#(DIN CK45),16mn(ST52.4) etc. | |
JIS | 10#(STPG38,STS38,STB30,STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C), 45#(JIS S45C), 16mn(STS49,STPT49) etc. | |
ASTM/AISI | 10#(ASTM a106/53 Gr.B,A192,A179-C), 20#(ASTM A106/53 Gr.B, A178-C,A210-A-1,A315-B,AISI1020), 45#(AISI1045), 16mn(ASTM A210-C) etc. | |
Usage | mechanical and also the hydraulic and penumatic cylinder | |
packing | Plastic Caps and mark on the piperust oil protectedorwooden package | |
payment term | T/T or L/C at sight. | |
Technique | cold drawning, hot rolling or hot expanding. | |
MOQ | 5tons, more quantity price will be lower. | |
Tolerance: | OD +/-1%,Thickness+12.5% / -10%,length+/-2 cm |
The difference between precision steel pipe and seamless pipe:
1. The seamless steel tube with obvious difference is that dimensional accuracy can be up to 0.1mm.
2. High precision steel pipe diameter surface finish, the customer without processing can be used directly and ordinary seamless steel tube to the customer and lather, polishing processing.
Hydraulic cylinder tube features:
Hydraulic cylinder tube inside and outside the wall without oxidation layer, under high pressure, no leakage, high precision, high finish, cold bending deformation, flaring, flattening without cracks, surface rust proofing
1. The smaller outer diameter
2. High precision to do small batch production
3. Cold drawn finished products of high precision, good surface quality
4. The steel pipe transverse area is more complex
5. Steel pipe is superior performance, dense metal
we can provide such pipes:
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
packaging details:
1.bundle with steel strips
2.brand parcel
3.wooden box
4.as clinets request
delivery details: 15days after payment
Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers of the precision tube and hydraulic cylinder tube in North of China. Since 2002 cold drawn machine set importing, Xinpeng become a big precision steel pipe manufacture with 500Mt month productivity in the next 12 years.
Products widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator, forklifts and the Petrol industry.
1. Hydraulic Cylinder Tube------Main products of Xinpeng,
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.
Xinpeng Have passed ISo9001 verified from 2015; each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.
1.Short delivery time:
Within 45 days below 100Metric Tons after sight of Irrevocable L/C or receipt Deposit.
2.Quality assurance:
Strictly according to International standard like ASTM API DIN JIS.
3.Competitive price:
Provide our best price to reach our cooperation
4.Superior Service:
We will try our best to satisfy your per request.
We prepare to provide the pre-sales serves, service during sales and afer-sales service for coustomes by the way of advance service, value added service and personalized service.
5.Our advantage:
1)professional & skilled & reliable
2)One step total solution
3)Ready stock goods with fast delivery
4)Customizable:Non-standard sizes are also available
5)small quantity is acceptable
6)refund or replacement for any product faulty
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.cargo track service during transporting and feedback service after cargo is loaded on board
2.flexible terms of payment byT/T and L/C
3.big discount for repeat customers
4.smooth delivering procedure
Tel +86-535-6835398
Contact Us
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