Product Details

HOW TO FIND A GOOD SUPPLIER IN CHINA ?

1. Who can provide satisfied service in a professional way.

2. Who is quick in response and take customers requirements as first priority.

3. Who can offer an reasonable price with good quality.

4. who can supply a wide range of products, saving your time with

5. Who can offer flexible payment terms

6. Who can offer customized products and special service

7. We can do customized products according to your special requirements

ABOUT OUR PRODUCT

Product Name	st52 oil and gas tube with High quality and competitive price
Standard:	DIN 2391 ,ASTM A519 ,ASTM A106,EN 10305
Standard:	Production according to customer requirements
Outer Diameter:	30mm-250mm
Wall Thickness:	2mm-30mm
Length:	according to clients’ requirement
Tolerance:	H8-H10
Surface:	According to the customer’s acquirement
Outside Coating:	oil, as per required by customer
Test/Inspection:	Ultrasonic test ; Hydrostatic test ,eddy current ,mechanical property test
Payment terms:	T/T,L/C
Price terms:	FOB,CIF
Package:	Standard export seaworthy package or as required.
Delivery time:	25days
Place of origin :	China
Port :	Yantai/qingdao
Market:	South America, Asia, Africa, Mid East,
Productive technology:	cold rolled, cold-drawing, hot piercing
Min Order Quantity:	Normally 5 Ton or according to customer's requirement.
Production Capacity:	500tons /month
Ends:	plain end or beveled end with cap or steel rings,thread with couplings or sockets,plastic bags, wooden boxes if required
Certificate:	ISO9001-2008
Steel Grade:	10#-45#,st35-st52,q345,25Mn
Qualification:	Independent import and export qualifications
Others:	1.Special design available according to requirement;
	2.Anti-corrosion and high-temperature resistant with black painting;
	3.All the production process are made under the ISO9001:2008 strictly.
	4.We have professional pipe fittings and steel pipes production equipment in China, all of products are produced by ourself, so we can give you BEST price with BEST quality, hope we will co-operate with each other based on mutual benefits.
	5. best Raw material
	6.Abundant stock and prompt delivery
	7.Rich supply and export experience, sincere service
	8.Reliable forwarder, 2-hour away from port.

SOME DIMENSION

OD x WT	OD x WT	OD x WT	OD x WT
4*0.5	16*0.5	26*1.8	35*9.0
4*0.8	16*0.8	26*2.0	35*10
4*1.0	16*1.0	26*2.2	38*0.5
4*1.2	16*1.2	26*2.5	38*0.8
5*0.5	16*1.5	26*2.8	38*1.0
5*0.8	16*1.8	26*3.0	38*1.2
48*5.0	70*2.8	90*10	130*14
48*5.5	70*3.0	90*12	130*16
48*6.0	70*3.5	90*14	130*18
48*7.0	70*4.0	90*16	140*2.5
48*8.0	70*4.5	95*2.0	140*2.8
48*9.0	70*5.0	95*2.2	140*3.0

THE TOLERANCE OF DIMENSION

+0.021 0

+0.038 0

+0.052 0

+0.084

+0.130

±5%,±10%

>30-50

+0.025 0

+0.039

+0.062 0

+0.100

+0.160

>50-80

+0.030

+0.046

+0.074 0

+0.120

+0.190

>80-120

+0.035

+0.054

+0.087 0

+0.140

+0.220

>120-180

+0.040

+0.063

+0.100 0

+0.160

+0.250

>180-250

+0.046

+0.072

+0.115 0

+0.185

+0.290

>250-315

+0.052

+0.081

+0.130 0

+0.210

+0.320

>315-400

+0.057

+0.089

+0.140 0

+0.230

+0.360

ABOUT OUR COMPANY

we are the top 5 manufacturer of precision seamless steel tube in China ,our company established in 1992,so we have about 20 years experience in the steel tube world ,we mainly produces various specifications steel tube ,such as cold drawn/rolled seamless steel tube ,SRB tube ,honed tube ,hydraulic cylinder steel tube ,which are widely used in hydraulic cylinder ,automobile ,oil drilling ,textil machinery , so welcome to our company to visiting and negotiate business .

THE FINISHED PRODUCT AND OUR COMPANY

OUR CERVICES

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 PACKAGING AND SHIPPING

(1)Delivery time: In 20 days or according to client's requires

(2)Trade terms: EXW/FOB/CIF etc

(3)Payments: T/T or L/C or according to client's requires

(4)Port: Yantai or Qingdao

(5)MOQ: 5 metric tons or at customer's demands

(6)Packing: we usually bundle with steel strips ,branding parcel or wooden box outside ,or according to the customer’s acquirement

OUR PRODUCESSING

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,motorcycle shock reducer use,

auto shock reducer inner cylinder,gas spring use etc.

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.

OUR CERTIFICATE

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.