Product Details

Commodity name: En10305-1 E355 E235 E420 Precision seamless Cold drawn steel Tube and pipe

Suitable for hydraulic cylinder tubes,honing or skiving and roller burnishing cylinder tubes

Dimensions tolerance

Grade	OD(mm)	ID (mm)	Tolerance
Grade	OD(mm)	ID (mm)	OD (mm)	ID (mm)	Wall thickness deviation (mm)	Ovality (mm)	Curvature(mm/m)
45#	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

Mechanical properties

Tensile strength:≥600Mpa
Yield strength :≥520Mpa
Elongation :>15%
Hardness :HRB>85
Supply condition:BKS(+SR)

Delivey conditions:

Standard packing with plastic caps and strapped bundes.,standard weight approx 1500kg
Commercial length 2000~10500mm,custom lengths upon request
Surface protection

Production Process:

Finished products

About our service:

1.cargo track service during transporting and feedback service after cargo is loaded on board

2.flexible terms of payment by T/T and L/C

3.big discount for repeat customers

4.smooth delivering procedure

RFQ:

Q1.What do you want to purchase ?

What we can offer are cold drawn seamless tubes,cold drawn welded tubes (DOM tubes)

Q2.Do you have the target price ?

Generally ,we have the target price when we buy something ,which is good for both supplier and

customer ,at the same time ,the target price should be objective ,reflecting the market.

Q3.What factors have an effect on the price ?

1 The market. our price rise and fall accompany with the market

2 The material and the grade .Different materials sometimes mean hundreds dollars.

3 The sizes. generally ,the thinner is more expensive because of the manufacture difficulty

Welcome to inquiry at any time!

Application:

widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestry machinery, etc.