Product Details

ABOUT OUR COMPANY

we are the top 5 manufacturer of precision seamless steel tube in China , our company established in 1992 , so we have more than 20 years experience in the steel tube world .we mainly produces all kinds of specifications cold finished steel tube wich are widely used in hydraulic cylinder ,automobile ,oil drilling ,textil machinery ,engineering machinery , we have advanced equipment and best services , so welcome to our company to visiting and negotiate business .

ABOUT OUR PRODUCT

Commodity	GB/T8162 burnished and skived hydraulic cylinder seamless steel tube
Items	seamless steel tube	cold drawn seamless tube	honed tube
Length	According to the customer’s need
Tolerance	H8 H9,H10 or as customer’s need
Surface roughness	Ra0.2-0.8µm
Standard	Round pipe: GB/8163-2008, GB 8162-2008, ASTM A 106, DIN2391, 1 ASTMA519
Grade	Q345,10#-45#,ST35-ST52,16Mm
Application	Hydraulic cylinder, automobile, oil drilling, textile machinery,etc.
Inspection	With hydraulic testing, eddy current and infrared test.
Normal Seaworthy Packing	1. Bundle packing. 2. Beveled end or plain end or varnished as per buyer's requests. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends or according to your request.
Delivery Time	Less than 25days after the advanced payment
Payment Terms	T/T or L/C
Outer diameter	30-250mm
Finally condition	BK BKS BKW NBK GBK

ABOUT DIMENSION

40*50	90*110	140*170	190*215
40*55	95*110	145*170	190*220
50*60	95*115	150*170	190*225
50*65	100*110	150*175	200*220
55*70	100*114	150*180	200*225
60*70	100*115	155*180	200*230
60*75	100*120	160*175	200*245
60*78	100*125	160*180	200*250
63*73	105*125	160*185	220*250
63*75	110*125	160*190	220*270
63*76	110*130	160*195	225*250
63*78	115*130	165*190	240*273
65*80	115*135	165*205	250*290
70*80	120*140	170*200	250*300
70*82	125*140	180*200	260*300
70*85	125*145	180*205	280*323
70*90	125*150	180*210	280*355
75*90	130*150	180*215	300*350
80*92	130*155	180*220	200*213
80*95	130*160	185*205	200*216
80*100	135*160	185*215	250*266
85*100	140*160	185*220
90*105	140*165	190*210

THE TOLERANCE OF DIMENSION

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

THE FINISHED PRODUCTS

ABOUT OUR PROCESSING

PACKAGING AND SHIPPING

Please don’t worry that our products are packed, stored, transported according to the international regulation. We do care about the quality of our products; even some little details are paid attention to. We wrap the precision steel pipe with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement. Plus, our storage racks are made of wood. Any unwanted chemical reaction can be prevented.

OUR SERVICES

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

2. Flexible terms of payment by

3. Big discount for repeat customers

4. Smooth delivering procedure

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

OUR CERTIFICATE

APPLICATION

Application

Cold drawn or cold rolled precision seamless steel tubes

for hydraulic pressure and pneumatic services.

For Auto use,machinery use,oil cylinder tube