Product Details

Product Description

DIN2391 COLD DRAWN ST52 BK+S Seamless Honed Tube Manufacturer

Grade:20#45# Q345B Q345D 25Mn 27SiMn E355 SAE1026

Standard:GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519

Grade	chemical composition%
Grade	C	Si	Mn	P	S
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035
SKTM13C-T(25Mn)	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035
E355	≤0.22	≤0.55	≤1.6	0.025	0.025
Q345B	≤0.2	≤0.5	1.00-1.60	0.030	0.030
Q345D	≤0.2	≤0.5	1.00-1.60	0.030	0.030
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.040	0.050

technique and tolerance

Working method	Range	ID size	Tolerance
			ID Torlance			WT	Ovality	Curvature
			H8	H9	H10	WT	Ovality	Curvature
cold drawn	25-250	>30-50	+0.039 0	+0.062 0	+0.100 0	±5% to 7.5% ID>210mm ±10%	≤0.10-0.20	0.3
cold rolling	25-150	>50-80	+0.046 0	+0.074 0	+0.120 0
cold-drawn-honed	40-250	>80-120	+0.054 0	+0.087 0	+0.10 0
cold drawn-SRB	50-250	>120-180	+0.063 0	+0.100 0	+0.160
cold drawn-polish	40-250	>180-250	+0.072 0	+0.115 0	+0.185 0
polish-SRB	50-250	other size and technique parameter upon request

Cold drawn(rolled) precision steel pipe and the general difference between ordinary seamless steel pipe:

1, the general characteristics of ordinary seamless steel pipe is welded seam, can withstand greater pressure. The product can be very rough as cast or cold parts.

2, cold drawn precision steel pipe is the product in recent years, mainly the hole, the outer wall size has strict tolerances and roughness.

Cold drawn (rolled) precision steel pipe features:

1. smaller diameter.

2. High precision can be done small batch Health

3. Cold drawn (rolling) finished high precision, good surface quality.

4. Steel pipe cross-sectional area is more complex.

5. Steel pipe performance is superior, the metal is relatively dense.

our processing

Company Information

Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers 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 Elevator buffer 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.

Packaging & Shipping

packaging details: steel strips bundle

black painting

beveled ends

wooden box

as clients request

delivery details: 15days after 30% payment in advance

FAQ

testing

1.portable hardness tester

2.wall thickness gauge

3.ultrasonic flaw detector

4.digital rockwall hardness tester

5.tensile testing machine

application

1.Hydraulic Cylinder Tube---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. Mechanical structure pipe parts in automobile,motorcycles and vehicle

3. Hydraulic circuits, pneumatic lines and hydraulic suspension

4. Hydraulic cylinders

Our Services

Advantage of Product

1)Professional & skilled, reliable.
2)One-stop total solution
3)ready stock goods with fast delivery
5)Small quantity is acceptable

Best price with good quality.

The partner you can trust.

Good service and very patient.

Tel +86-535-6835398

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