Product Details

01/ABOUT OUR COMPANY :

we are the manufacturer of seamless steel tube in China ,our company located in Yantai,a beautiful coastal city .and our company establied in 1992,so we have more than 20 years in the manufacture of seamless steel tube .we mainly produces various specifications of seamless precision steel tube ,such as cold drawn/rolled seamless steel tube ,hydraulic cylinder steel tube ,honed steel tube ,SRB steel tube ,our company have the best products and best services ,so welcome to our company to negotiate business and visting .looking forward your coming !

02/ ABOUT OUR PRODUCTS

Product Item	cold rolled prcision ST37 st35 st52 seamless carbon steel tube
Outer Diameter	30mm~250mm
Wall Thickness	2mm~30mm
Material Grade	10#-45#, 16Mn, Q195-Q345, ST35-ST52, STB35-STB42, 20#, 45#, 16Mn, Q345, ST35, St45, St52, St52.4, STB42, 16Mn,St52,10#-45#,ST35-ST52
Standard	ASTM, DIN, ASTM A1020-2002, DIN 2391
Application	Hydraulic Pipe, Hydraulic cylinder, automobile, oil drilling, textile machinery
Certificate	ISO9001:2008
Process Method	Cold Drawn/ Cold Rolled
Surface Finish	Annealed, Pickled
Package	According to the customer’s requirement
Delivery Time	10days more or according to the customer’s requirement
Price Item	FOB CIF EXW
Payment	T/T(30% in advance, 70% against the BL Copy) and L/C at sight or as negotiation
ID tolerance	H8,H9b H10 or as customized
Surface roughness	Ra0.2~0.8µm
Finally supply condition	BK BKS BKW NBK GBK

03/ ABOUT THE 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

04/ THE TOLERANCE OF DIMENSION

ID size

ID deviation (mm)

+0.021

+0.033

+0.052

>30~50

+0.025

+0.039

+0.062

>50~80

+0.030

+0.046

+0.074

>80~120

+0.035

+0.054

+0.087

>120~180

+0.040

+0.063

+0.100

>180~250

+0.046

+0.072

+0.115

>250~315

+0.052

+0.081

+0.130

>315~400

+0.0527

+0.089

+0.140

05/ THE FINISHED PRODUCTS

06/ ABOUT OUR PACKAGING AND SHIPPING

Standard packing with plastic caps and strapped bundles, standard weight approx 1500kg

Commercial length 2000~10500mm,custom lengths upon request

Surface protection

07/ ABOUT 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.

08/OUR CERTIFICATE

09/ ABOUT OUR PROCESSING

10/ ABOUT THE APPLICATION

GB/T 8162-2008 Seamless Steel Tubes For Structural Purposes

GB/T 8163-2008 Seamless Steel Tubes For Liquid Service

ASTM A53 It is used for conveying water,petrolem,gas and other common fluids.

ASTM A106 For the purpose of the pipeline project of boiler,water&petroleum.

API SPCE 5L For the purpose of transportation of gas,water,oill in oil&gas industry.

API SPEC 5CT Tubing is used in extracting petroleum & natural gas. casing pipe serves as wall of well.

ASTM A519 Seamless carbon and alloy steel mechanical tubing

A 179/A179M cold drawn low carbon steel heat exchanger and condenser tubes

ASTM A192/A192M for manufacturer wall panel,economizer,reheater,super heater,and the steam pipeline of boilers

DIN 1629 applies to seamless circulal tubes and pipes made of unalloyed steels

DIN17175 Cold Drawn Seamless Tube For Boiler And Heat Exchanger

DIN2391 Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure

11/ ABOUT FAQ

1.How many emplyee in your company?

More than 60 people..

2Could you produce the cylinder according to our request?

Yes,we could design the cylinder according to your request or your drawing.

3 What's your main export market?

Middle East ,Africa, Southeast Asia, European and South America

4.What's your common lead time?

About 15days to 25days after payment