Product Details

Commodity name	cold rolled st37 precision carbon cylinder pipes
Dimension	OD:30-250mm,WT:2-30mm
Standard: GB/T8713, GB/T3639, DIN2391, EN10305, ASTMA519, ASTMA106-2006, API 5L,etc	1.DIN Standard	10#(ST37-2,ST35-8), 20#(ST42,ST45-4/8), 45#(DIN CK45), 16mn(ST52.4) etc.
	2.JIS standard:	10#(STPG38,STS38,STB30,STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C), 45#(JIS S45C), 16mn(STS49,STPT49) etc.
	3.ASTM/AISI standard	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.
Technique	Cold drawing, cold rolling, hot rolling or hot expanding
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.
Package	steel strip bundles, black paint coating, beveled ends or plain
Payment terms	L/C or T/T(30% deposit and 70% balance against B/L copy)
Delivery	FOB, CIF, CFR, etc
Shipment	15 working days after getting payment

ID tolerance:

ID size

ID deviation (mm)

H10

+0.021

+0.033

+0.052

+0.084

>30~50

+0.025

+0.039

+0.062

+0.100

>50~80

+0.030

+0.046

+0.074

+0.120

>80~120

+0.035

+0.054

+0.087

+0.140

>120~180

+0.040

+0.063

+0.100

+0.160

>180~250

+0.046

+0.072

+0.115

+0.185

>250~315

+0.052

+0.081

+0.130

+0.210

>315~400

+0.0527

+0.089

+0.140

+0.230

Delivery condition for hydraulic cylinder pipe:

1. NBK(+N)

after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium

2. GBK(+A)

after cold forming, annealing in non oxidizing medium protective gas

3. BK(+C)

the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee

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. 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

Product Process:

Our Certificate:

Product photos:

Company & workshop:

Yantai Xinpeng Steel Pipe Co., Ltd,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.

Our company are equipped with JLB250T hydraulic cold drawn set,LED120 cold rolling set, annealing surface, strong honed machine, polishing machine, lathe, saws CNC skived and roller burnished machine, kinds of testing machine. Strictly comply with ISO9001 System, assure the best quality of the products.

Application of hydraulic cylinder tube:

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.

FAQ

1. What is your main market?

Middle East, South Korea, Africa,Asia,Iran,Europe, etc.

2. Are you factory?

Yeah, we are.

3. How do I get a sample to check your quality?

After price confirmation we can offer samples to you , but customers should bear the samples charge,after samples passed,we will deduct the sample charges from total amount.

4. What is your term of delivery?

We accept EXW, FOB, CIF, T/T etc. You can choose the one which is the favorite or cost effective.

5. What is the delivery time?

If we have the raw material, we can send goods about 20 days. If not, we will about 30 days for delivery.

For more detail information, please be free to contact me.

Tel: 0535-6835398
Fax: 0535-6835383
Website: http://ytxinpeng.en.china.cn

Welcome to visit our company~

Thank you!