Product Details

Commodity name:AISI 1045 1020 Mild seamless carbon steel pipe

Company Information

Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers on the seamless steel pipe, and manufacturer of the precision tube and hydraulic cylinder tube in North of China. Since 2002 cold drawn machine set importing, Xinpeng become a big precision steel pipe manufacture with 500Mt month productivity in the next 12 years.

Products widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator, forklifts and the Petrol industry.

1.Hydraulic Cylinder Tube------Main products of Xinpeng,

Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.

2.SRB tube ----- used in Elevatorbuffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.

3.Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11M.

Xinpeng Have passed ISo9001 verified from 2008; each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.

cold finished tube Dimensions tolerance

OD(mm)	ID (mm)	Tolerance
OD(mm)	ID (mm)	OD (mm)	ID (mm)	Wall thickness deviation (mm)	Ovality (mm)	Curvature(mm/m)
40-74	30-65	±.01	-0.3,-0.5	≤0.5	≤0.1	0.3
74-98	65-85	±.01	-0.4,-0.6	≤0.5	≤0.15	0.3
100-116	85-100	±.02	-0.4,-0.6	≤0.6	≤0.15	0.3
124-134	110-115	±.02	-0.6,-0.8	≤0.6	≤0.20	0.3
140-158	120-135	±.02	-0.7,-0.9	≤0.8	≤0.20	0.3
165-176	140-150	±.02	-0.7,-0.9	≤0.8	≤0.20	0.3
188-203	160-180	±.02	-0.7,-0.9 Honed	≤0.8	≤0.20	0.3

Tolerance on ID

No.	Inside diameter(mm)	ID machining allowance(mm)
1	50-80	0.5-0.8
2	81-125	0.7-1.1
3	125-200	0.9-1.2
4	200-250	1-1.5
Other dimension can be customized

SRb tube Commercial length

No.	ID Min.(mm)	Length(mm)
1	50	700—2000
2	63	700—3000
3	80	700—4000
4	>90	700—6000
Other dimension can be customized

Delivey conditions:

Standard packing with plastic caps and strapped bundles.

Commercial length 2000~10500mm,custom lengths upon request

Surface protection

we can supply all kinds of steel pipes such as hot rolled seamless steel pipes ,cold drawn seamless steel pipes,honed pipes,cold drawn welded tubes(DOM tubes).

Welcome to inquiry at any time, we will try our best to serve you.

Production Process:

Pretreatment : Acid cleaning- Parkerizing

Cold drawn/cold rolled

Annealing furnace—— stress-relieving (+SR)

Straightener—— Straightening/ Leveling

Straightness inspecting

Dimension inspecting

Sawing off not good parts

Lathe

Surface Polishing