Product Details

Company Information

ABOUT OUT COMPANY:

Located in yantai, a beautiful coastal city.our company is in the APEC Science&Technology Industrial Park,urban area of yantai,with convenient transportaton.Established in December 1992,we mainly produces various specifications of cold finished precision steel tube ,which are widely used in hydraulic and pneumatic cylinder for automobile ,engineering machinery ,textil machinery printing machinery ,oil driling and other filed .

Product Description

Products name:	Chinese well -known hydraulic cylinder steel pipe
Size:	OD	30mm-250mm
	Wall Thickness	2mm-30mm
Steel material	10#-45#,st35-st52,q345,16Mn
Standard	ASTM ,EN,DIN , JIS ,GB, AISI
Payment:	T/T : 30% T/T advance, 70% balance copy of B/L ;L/C : at sight ;T/T and L/C:40% T/T advance, 60% L/C at sigh ;
Delivery time	10days more or according to the customer’s acquirement
Packing	1. Bundle packing. 2. Beveled end or plain end or vanished as buyer's required. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends.
Sample	we accept your sample requirement
Order	Small order is acceptable(5tons)
Factory	welcome to our factory at anytime
Certification	ISO 9001-2008
Test	we accept third party testing

Tolerance in Dimension:

OD	GB/T3639(GB8713)	DIN2391(EN10305)	Our Tolerence	Best Quality
4-30mm	±0.10mm	±0.08mm	±0.05mm	±0.02mm
31-40mm	±0.15mm	±0.15mm	±0.05mm	±0.03mm
41-50mm	±0.20mm	±0.20mm	±0.05mm	±0.03mm
51-60mm	±0.25mm	±0.25mm	±0.08mm	±0.03mm
61-70mm	±0.30mm	±0.30mm	±0.10mm	±0.05mm
71-160mm	±0.30mm	±0.30mm	±0.10mm	±0.05mm
Tolerance in WT	±0.12mm	±0.10mm	±0.05mm	±0.03mm

Process	Diameter	Length	Precision	Inner Hole Roughness
Cold Rolled	30-100mm	≤12 m	H8-H10	0.4-1.6
Cold Draw	30-250mm	≤12 m	H8-H10	0.8-1.6
Honing	40-500mm	≤12 m	H8-H9	0.4-0.8
Rolling	40-400mm	≤7 m	H8	0.4

Inner Diameter	H8	H9	H10
30mm	±0.033	±0.052	±0.084	5-30mm
30-50mm	±0.039	±0.062	±0.100	±0.080
50-80mm	±0.046	±0.074	±0.120
80-120mm	±0.054	±0.087	±0.140
120-180mm	±0.063	±0.100	±0.160
180-250mm	±0.072	±0.115	±0.185
250-315mm	±0.081	±0.130	±0.210
315-400mm	±0.089	±0.140	±0.230

Packaging & Shipping

packaging details: standard packing with plastic caps and starpped bundles,standard wheight approx 1500Kg

delivery details: 15 days after receiving downpayment or L/C or as your request

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 processing

testing

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material

2.100% Dimension & Visual Examination

3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test

4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT)

5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)

6.Straightness Test (optional)

7.Roughness Test (optional)

8.Intergranular Corrosion Test(optional)

9.Impact Test (optional)

10.Grain Size Determinations (optional)

NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.

OUR CERTIFICATE

OUR EQUIPMENT

FAQ

1.Are you a trading company or manufacturer?

Yes, we are the professional manufacturer of precision seamless steel pipe since the year 1992.

2. How can I get the price?

We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter,

wall thickness length, quantity and application of the steel pipe which you need. If you are very urgent

to get the price, please inform us in email so that we will regard your inquiry priority.

3. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. we will provide you

the sample for free, however we could only make sure the same material, the dimension will be

much similar as your request but not same. And customer should afford the charge of shipment.

4. What about the lead time for mass production?

Honestly, it depends on the order quantity and the season you place the order.

5. What is your terms of delivery?
We accept FOB.