Hydraulic Cylinder using BKS cold drawn steel tubing

 

                                                                         Chemical Composition

 

steel grade	C	SI	Mn	P	S	Cr	Ni	Cu	Al
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250	0.250	/	/
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	0.250	0.300	/	/
Q345B	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.300	0.250	0.08	/
Q345D	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.250	0.250	0.150	0.015
25Mn	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035	/	/	/	/
27SiMn	0.24-0.32	1.10-1.4	1.10-1.40	0.035	0.035	0.300	0.300	/	/
st52	≤0.22	≤0.55	≤1.60	0.025	0.025	0.250	0.250	/	/
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.040	0.050	/	/	/	/

 

                                   

                              Mechanical Property

Delivery Condation	cold drawn+stress-relived (BK+S) SR			cold finished (hard) (BK)
steel grade	Rm   Mpa	Reh Mpa	Elonggation	Rm Mpa	Elonggation
20#	≥520	≥375	≥15	≥550	≥8
45#	≥600	≥520	≥10	≥640	≥5
16Mn	≥600	≥520	≥14	≥640	≥5
25Mn	≥600	≥510	≥15	≥640	≥5
27SiMn	≥760	≥610	≥10	≥800	≥5
St45	≥520	≥375	≥15	≥550	≥5
E355	≥600	≥520	≥14	≥640	≥5
SAE1026	≥600	≥510	≥15	≥640	≥5

 

range:20-380mm

tolerance:H8 H9 H10

working method: cold drawn, cold rolled, honed ,SRB

products picture

 

 

 

                                                            Our company

Shandong Penghui Hydraulic Cylinder Co., Ltd. Is a professional hydraulic cylinder tube manufacturer over 20 years.

Located in beautiful seaside city—Yantai, with more than 6 million Yuan registered capital, Penghui equipped with cold drawn set, cold rolling set, annealed furnace, skiving and roller burnishing machine, and other CNC machine for producing.

All our products are various precision seamless tube with different materials, such as cold drawn tube, cold rolled tube, honed tube, hydraulic cylinder tube, with material A53, A106, ST52, E355, STKM11A, STKM13A, CK20, CK45, SAE4130, SAE4140 etc.

                                                          Working shop

 

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

 

 

                                  test equipment

 

                                                      

 

 application

 

1)  Fuel injection lines/nozzles for diesel or gasoline engine;

2)  Compressed natured gas CNG tube

3)  Drive transmission: steering column elements

4)  Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel

drive shafts

5)  Mechanical structure pipe parts in automobile,motorcycles and vehicle

6)  Hydraulic circuits, pneumatic lines and hydraulic suspension

7)  Hydraulic cylinders

 

 

Our service

Our service formula:good quality+good price+good service =customer’s trust =Honor business 

 

1. Cargo track service during transporting and feedback service after cargo is loaded on board

2. Flexible terms of payment .

3. Big discount for repeat customers

4. Smooth delivering procedure

5. Payment Terms: T/T , L/C and so on

 

Advantage of Product

1)Professional & skilled, reliable.
2)One-stop total solution
3)ready stock goods with fast delivery
5)Small quantity is acceptable

Best price with good quality.

The partner you can trust.

Good service and very patient.

 

 

.FAQ

Q: How many days of your delivery?

 A: The general delivery is 30~50 days according to your quantity.

 

Q :Which countries do you export to?

 A: America, India, Korea, Pakistan, Turkey, Iran and so on.

  

Q: What is your main payment itme?

 A: T/T and L/C

 

Q: Are you trading company or manufacturer ?

A: We are manufacturer .

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment 30% T/T in advance ,balance before shippment.

 

Q:Why you choose us ?

1.Our company established in December 1992,so we have 23years experience in tube manufacture

2.We have the best service, quality ,competitive price ,and high reputation in the tube wold 

3.We can supply all kinds of  steel pipes such as:

    ∞hot rolled/cold drawn  seamless steel tubes
 ∞precision steel tubes

  ∞honed and skived tubes

  ∞cold drawn welded tubes (DOM tubes)

  ∞polished steel pipe

  ∞hydraulic steel pipe

  ∞cylinder steel pipe

 

                                                              Guaranteed

If products’ quality doesn’t match the description we give or peomise before you place your order,we peomise 100%refund.

(1): High quality products with reasonable price. 

(2): We are factory and trading company.
(3): Every process will be checked by responsible QC which insures every product's quality.
(4): Professional packing teams which keep every packing safely. 
(5): Trial order can be done in one week. 
(6): Samples can be provided as your requirements. Free sample 

(7): We have more than 4 years experience in exporting products to worldwide countries, can provide the high quality products.

(8): We have five thousand tons of stock in warehouses with abundant capital. Furthermore, we offer charge sales, credit and 7-day 24-hour services.

 

if any concerns,Please don't hesitate to contact me I will reply you within 24 hoursWe warmly welcome new and old customers to our company to negotiate business, sincerely cooperate with each other, and realize mutual prosperity and common development.