Product Details

COMPANY INFORMATION

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

PRODUCT INFORMATION

Production	cold drawn surfce polished E355 precision seamless steel tube
Standard	DIN 2391/EN 10305/GB/T8162/ASTM A519,etc.
Out Diameter	30mm-250mm
Wall Thickness	2mm-30mm
Material	10#-45#,st35-st52,q345,25Mn
Length	According to the customer’s acquirement
Surface treatment	According to the customer’s need
Technique	Seamless & welded
Usage	1. hydraulic cylinder 2. automobile 3. oil drilling 4.textil machinery 5. printing machinery 6. engineering machinery
Package	1. Bundle packing. 2. Bevelled end or plain end or warnished as per buyer's required. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends.
Supply	1. seamless steel pipe 2. cold drawn seamless steel tube 3. hydraulic cylinder steel tube 4. DOM tube 5. SRB/honed steel tube 6. hot rolled seamless steel tube 7. cold rolled seamless steel tube
Min Order Quantity	According to customer's requirement
Payment terms	L/C, T/T,
Contact	If you have any questions, please feel free to contact me.

SOME 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

Size of I.D	I.D Tolerance			Tolerance of wall thickness
Size of I.D	H8	H9	H10	±7.5% >210mm ±10%
30	+0.0330	+0.0520	+0.0840
>30-50	+0.0390	+0.0620	+0.1000
>50-80	+0.0460	+0.0740	+0.1200
>80-120	+0.0540	+0.0870	+0.1400
>120-180	+0.0630	+0.1000	+0.1600
>180-250	+0.0720	+0.1150	+0.1850
>250-315	+0.0810	+0.1300	+0.2100

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 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.

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

FAQ

Q: What about your payment term?

A: Usually T/T or L/C, 30% deposit and 70% before delivery.

Q: what about your standard delivery date

A: 30 days after receiving deposit

Q: How about your capacity?

A: For steel pipes, 500 tons per month, 6000 tons per year.

Q: what about your package

1. bundle packing

2. marking as per customer's requests

3. paint on the pipe as per customer request