CK45 carbon seamless steel tube
About Product:
One: Product Introduction
Honed pipe for construction |
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Manufacturer |
Qingzhou Longyue Hydraulic Machinery Co.,Ltd |
|
Standard |
DIN2391 EN10305 |
|
Material |
ST44 ST45 ST52 E355 STKM13C |
|
Heat treatment |
BK+S |
|
Specification |
Outer diameter(mm) |
Inner diameter(mm) |
|
50-300mm |
40-250 |
I.D Tolerance |
H8-H9 |
|
Length |
3-9m |
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Straightness |
1/1000 |
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ID roughness |
RA 0.4micron(max) |
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Technology |
Honed & SRB(SKIVED AND ROLLER BURNISHED ) |
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Scope |
Hydraulic cylinder tube for swivel crane, injection machine and construction machine application |
Two,Product Material and Technology
Chemical composition of Material:
Steel grade |
Chemical composition,% |
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C |
Si |
Mn |
P |
S |
Cr |
|
≤ |
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20# |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.25 |
16Mn |
≤0.2 |
≤0.5 |
1.00-1.60 |
0.03 |
0/03 |
0.25 |
ST52(E355) |
≤0.22 |
≤0.55 |
≤1.6 |
0.025 |
0.025 |
0.25 |
SAE1026 |
0.22-0.28 |
0.15-0.35 |
0.6-0.9 |
0.04 |
0.05 |
/ |
Mechanical Property of Material:
Delivery |
cold finished(hard)(BK) |
Cold drawn and stress-relieved(BK+S) |
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Steel grade |
Rm MPa |
Elongation |
Rm MPa |
ReH MPa |
Elonggation |
20# |
≥550 |
≥8 |
≥520 |
≥375 |
≥15 |
16Mn |
≥640 |
≥5 |
≥600 |
≥520 |
≥14 |
ST52 |
≥640 |
≥5 |
≥600 |
≥520 |
≥14 |
SAE1026 |
≥640 |
≥5 |
≥600 |
≥510 |
≥12 |
Three,Product Process:
Raw material |
→ |
Cold drawn |
→ |
Heat treatment |
→ |
Honed & SRB |
→ |
Packing |
BK+S |
Four,Product Specification:
Five,Product Pictures:
About Packaging &Shiping
About Our Company:
Qingzhou Longyue Hydraulic Machinery Co.,Ltd is located in Qingzhou,Shandong, one of the ancient Kyushu and china engineering machinery production base.The 309 state road is in front of our company where east neighbor Weifang, west neighbor Zibo, Jiaoji railway in south,Jiqing high way in north.The geographical position is superior, economic potential is abundant, relationship is formidable, business is developing smoothly.
Our company has fine facilities and efficient people. Now, there are 3 senior engineers,27 high and middle class technicians.The company own the strong technical force and perfect examine methods,the product quality always comes out top in previous industry assessments.the products gained provincial and department excellent products title of honor.
Qingzhou Longyue Hydraulic Machinery Co.,Ltd is a professional manufacturer of making steel tube The main type: Honing tube,Piston rod, Precision tube Cold Drawn Seamless Steel Pipe and so on. According to customer's actual requirement, our company can develop various series of products.
We follow"the quality first,the guest is supreme" service objective, take the customer demand as the central research and development direction, will create the glorious future hand in hand by the high quality product and the reasonable price with you!
About Services:
Samples Detail:
a.sample leadtime:1~7days by professional design team
b.sample fee:it is free or as the detail of sample
c.sample fee refund:you can deduct it after you place an order
d.express delivery charge for sample:it is paid by you
Payment Terms:TT,Western Union
Trade Terms:FOB,CIF,C&F
Delivery Time:25~30 days after receive the payment
About FAQ:
Why choose cooperation with us?
1.We have over10 years experience manufacture packing materials,so as Northern the biggest supplier of China we can offer you reliable quality and continue supply
2.Welcome OEM, and can offer more choice and excellent design
3.Any question can be reply , give us order don’t need you to hold too much heart.
Personne à contacter : | Becky Zhang |
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