DIN2391 Cold Drawn Precision Seamless Steel Pipes

Precision Steel Pipes for Hydraulic system 
OD:4-80 (mm) WT0.5-10 (mm) Length 12000mm

1. Standard:  
DIN2391 Precision Seamless Steel tubes for precision hydraulic systems

DIN2393 Precision Welded Steel tubes for precision hydraulic systems

2. Steel Grade: St 30SI, St 30 Al, St35,St45, St52, other materials upon agreement with customers.

3. Production method: Cold drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance

4.Size range: 
O.D.:20-350mm     W.T.:1-15mm      L:max12000mm

5. Packing:
In Hexagonal Bundles, wth anti-rust oil protection, with seaworthy packing  
6.Deliver condition:

1). BK Cold finished (hard)
2). BKW Cold finished (soft)

3). BKS Cold finished and stress relieved

4). GBK Annealed
5). NBK Normalized

Seamless Carbon and Alloy Steel Mechanical Tubing ASTM A519

Seamless Carbon and Alloy Steel Mechanical Tubing ASTM A519

Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm

Standard: ASTM A519

Applications: for Machinery, Mechanical Engineer

Steel Grade and Chemical Compositions:
Steel	C	Mn	P	S	Si	Cr	Mo
Grade	max		max	max	max	min
1008	0.10	0.30-0.50	0.040	0.050
1010	0.08-0.13	0.30-0.60	0.040	0.050
1018	0.15-0.20	0.60-0.90	0.040	0.050
1020	0.18-0.23	0.30-0.60	0.040	0.050
1026	0.22-0.28	0.60-0.90	0.040	0.050
1035	0.32-0.38	0.60-0.90	0.040	0.050
1045	0.43-0.50	0.60-0.90	0.040	0.050
4130	0.28-0.33	0.40-0.60	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25

Grade	condition	Ultimat	Yield	Elongation	Rockwell
		Strength	Strength		Hardness
		ksi      Mpa	ksi      Mpa	%	B Scale
1020	HR	50        345	32        221	25	55
	CW	70        483	60        414	5	75
	SR	65        448	50        345	10	72
	A	48        331	28        193	30	50
	N	55        379	34        234	22	60
1025	HR	55        379	35        241	25	60
	CW	75        517	65        448	5	80
	SR	70        483	55        379	8	75
	A	53        365	30        207	25	57
	N	55        379	36        248	22	60
1035	HR	65        448	40        276	20	72
	CW	85        586	75        517	5	88
	SR	75        517	65        448	8	80
	A	60        414	33        228	25	67
	N	65       448	40        276	20	72
1045	HR	75        517	45        310	15	80
	CW	90        621	80        552	5	90
	SR	80        552	70        483	8	85
	A	65        448	35        241	20	72
	N	75       517	48        331	15	80
4130	HR	90         621	70        483	20	89
	SR	105        724	85        586	10	95
	A	75        517	55        379	30	81
	N	90        621	60       414	20	89
4140	HR	120        855	90        310	15	100
	SR	120        855	100        689	10	100
	A	80        552	60        414	25	85
	N	120       855	90        621	20	100

Deliver condition:

1. A.W.H.R.    "as welded" from hot-rolled steel

2. A.W.C.R.      "as welded" from cold-rolled steel

3. S.D.C.R.       "sink-drawn", cold-rolled steel

5. M.D.              mandrel drawn

6. S.S.I.D.          special smooth inside diameter

Please specify the delivery condition and heat treatment requirement when sending the inquiry.

Seamless precision tubes for hydraulic cylinders

Seamless precision tubes for hydraulic cylinders

Lets work with 4xP: PROMOTION of best PRODUCTS at the correct PRICE to client's PLACE.

4P MARKETING

Creativity is very important to find solutions for clients' problems. This means that a supplier of tubular products should be helpful in cooperation with the client to make the right choices as far steelgrades and size ranges are concerned. The supplier should also show creativity to ensure short delivery terms by finding the correct stock items. They should never give up to satisfy the client by promoting quality products, at the correct price  at the right place. We pretend to be such a supplier, correct, innovative and trustworthy. Lets start a nice cooperation to our mutual benefit. Lets work with 4xP:  PROMOTION of best PRODUCTS at the correct PRICE to client's PLACE.

Credibility

Credibility

Unfortunately we have to admit that there are cowboys operating in Chinese steel industry. They destroy the credibility of Chinese business people and their companies. These guys don't make true what they are promising. On the contrary they lie and cheat. Its very sad to admit and such guys should be persecuted by all means because they give China a bad name. Fortunately there are also many many good people and trustworthy companies who do their best to satisfy the customers. We do not say we are the best but we try to prove that our aim and target is to supply a good product and reasonable price and to give the best service. Again we will cherish the chances any clients who gave us and make every effort to do everything as perfect as possible.

Seamless Steel Skiving Tube for Hydraliuc & Pneumatic Cylinder

Description

Seamless Steel Skiving Tube for Hydraliuc & Pneumatic Cylinder

Best Quality of Skiving Tubes in Automatic Mechanical Engineering.

Seamless Steel Honed Tube: JIS STKM13C/ DIN ST52/ ASTM A106/ SAE1020 and Seamless Steel Welded Pipe: DIN ST52.3 are offered. Seamless Steel Honed Tube withstands higher pressure than welded tube without splits. But roundness of welded pipe is superior to Seamless Steel Honed Tube. After honing, carbon steel pipe of mechanical structure use has precision diameter, smooth surface and excellent performance in oil storage. It can stand longer and work smoothly without pausing. It also applies to hydraulic cylinders tube, pneumatic cylinders tube, forklift, crane, excavator, punching machine and other kinds of labor-saving automatic mechanical engineering.

Cold drawn Precision Tube

Product Name :

Cold drawn Precision Tube

Description :

As a leading manufacturer of Cold Drawn Pipe, we has been devoted in providing high quality Pipes. Cold Drawn Precision Steel Tube, featuring its durable quality and competitive price, is one of our best selling products. We also produce various other Stainless Steel Pipes and Stainless Tube.


Reliable Cold Drawn Pipe and Cold Drawn Precision Steel Tube Manufacturer

Material of Cold Drawn Precision Steel Tube: JIS STKM11A, 12A, 13A to 18C / DIN ST52 / ASTM A106. Cold Drawn Precision Steel Tube within precise interior diameter has great surface roughness and better than hot rolled tube. Specifications can be customized to achieve higher degree of tensile strength, yield strength and elongation. Cold Drawn Precision Steel Tube is suitable for gas cylinder, hydraulic cylinder, shock absorber of automobile, motorcycle and bicycle use. Besides, Cold Drawn tube can also be used in air-conditioning condenser, front fork and rear fork of motorcycle, mechanical arm and exhaust pipe.

Product Application :

Specification :

IDxOD m/m IDxOD m/m IDxOD m/m IDxOD m/m IDxOD m/m IDxOD m/m 20*25 40*45 63*68 75*90 100*107 125*137 20*30 40*50 63*71 80*86 100*109 125*140 25*30 45*55 63*73 80*89 100*110 130*142 25*35 50*55 63*76 80*92 100*114 140*153 30*36 50*57 65*75 80*95 100*115 150*160 30*40 50*60 70*80 85*100 110*120 160*172 35*41 55*65 70*85 90*100 120*132 180*196 35*45 60*70 75*85 90*105 125*134 180*202

* Other specifications can be ordered, please kindly contact with us!

Detail :

• Internal Diameter Accuracy : H8-H9
• Surface Roughness : Ra0.3-Ra0.6

Application :

Hydraulic cylinder Pneumatic cylinder Precise machine pipes Agriculture machine Boiler construction Machinery : Stamping machine Punching machine Blow molding machine Plastic injection machine Food machine Forklift

Automobiles: Crane Truck Truck lifter Shock absorber of car, motorcycle, bicycle Furniture: gas spring Exercise equipments Medical equipments Door closer Condensing unit Pipe