Product Details

Q235 Q345 DIN standard cold rolled hydraulic pipe

Company introduction:

Located in Yantai, our company Yantai Xinpeng Steel Pipe Co., Ltd, is in(APEC) Science& Technology Industrial Park, with convenient transportation. Established in Dec 1992, with registered capital of 5 million Yuan, we have more than 20 years experience in manufacturing and exporting steel pipe. Our company mainly produces various specifications of cold finished precision steel pipe, which are widely used in hydraulic Pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery, oil drilling and other field.

What we can provide are seamless steel tube, carbon steel tube, cold drawn pipe, cold rolled pipe, cold drawn tube, cold rolled tube, honed pipe, hydraulic cylinder pipe, hydraulic tube, cylinder tube, and so on.

Our company is equipped with JLB 250T hydraulic cold drawn machine set, LD120 precision cold rolled machine set, multiple precision straightening machine, box heat treat furnaces(8000-10000mm).In 2002, our company equipped one set advanced CNC skived and roller burnished machine SRB-600mm, several Powerful honed machine, Combined cold drawn, cold rolling, heat treatment and SRB process to produce the best quality products. Standard:GB/T8713-88, GB/T3639-2000 or according to customers’ requirement. Material usual 20#,45#,16Mn,25Mn,27SiMn,St35,St52,etc.

Specifications of carbon steel tube:

1.Standard:GB/T8713,GB/T3639,DIN2391,EN10305,ASTMA519,ASTMA106-2006

2.Grade: 20#(aisi1020,ck20),45#(aisi1045,ck45),st52(16Mn,Q345D),25Mn(stkm13c-t),27SiMn

3.OD:30-250mm

4.ID tolerance:H7,H8,H9

5. Wall thickness:10%×ID

6.Surface roughness:Ra 0.02— 0.4μm

7. Delivery condition:BK,BKW,BKS,GBK,NBK

8.Ovality: ≤ 0.10-0.20

9.Curvature:0.3

10.Application: widely used for hydraulic parts, automobile parts, bike frame, elevator buffer, engineering machine, shock absorber, oil drilling and other field.

What we can provide are:

--Seamless steel pipe

--Carbon Pipe

--Cold drawn steel pipe

--Cold rolled steel pipe

--Honed steel pipe

--Honed tube

--Hydraulic Cylinder Tube

--Hydraulic steel pipe

--Cylinder steel pipe

.......

Mechanical Property of seamless pipe

Delivery Condition	Cold drawn+ stress-relieved(BK+S)(SR)			Cold fished (hard)(BK)
Steel Grade	Tensile strength (Rm Mpa)	Yield strength	Elogation A5%	Tensile strength (Rm Mpa)	Elogation A5%
20#	≥520	≥375	≥15	≥550	≥8
45#	≥600	≥520	≥10	≥640	≥5
E355(Q345B,St52)	≥600	≥520	≥14	≥640	≥5
25Mn	≥600	≥510	≥15	≥640	≥5
27SiMn	≥760	≥610	≥10	≥800	≥5

Certificate of seamless pipe

Product Process of hydraulic cylinder pipe

Service of hydraulic cylinder tube

1. Surface protection

2. Flexible terms of payment

3. Big discount for repeat customers

4. More than 20 years steel trading experience

5. Alibaba trade assurance supplier

FAQ of carbon tube

1. What is your terms of delivery of carbon tube?
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 of hydraulic cylinder tube?

Strictly followed by ISO9001 system, all our seamless pipe 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 hydraulic cylinder pipe 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.