Our aim is to provide customers with a full range of E355 Honed Tube, 20T Welding Positioner, E355 Cold Drawn Pipe and high-quality and thoughtful service. We work hard and enterprising, and have full confidence and perseverance in the future and development of the company. In the spirit of pioneering audacity, we have accumulated and inherited the spiritual temperament and cultural connotation of innovation, hard work, integrity and excellence.
Cold Drawn Honed Tube Introduction
WUXI HENGTONG PETROLIC MACHINERY manufactures Cold Drawn Honed Tubes, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of cold drawing machine,9 meters CNC boring machines, 20 sets honing machines , one set furnace and advanced quality testing equipment, which combine cold drawn, cold-rolled, heat treatment and traditional machining process.
Cold Drawn Honed Tube detail
Application: producing of hydraulic/ pneumatic cylinders, pumps, motor shells, transmission shafts and transmission roller steel pipes.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, oiled inside, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Cold Drawn Honed Tube Specifications
1. CHEMICAL COMPOSITION
|
Material |
C% |
Mn% |
Si% |
S% |
P% |
V% |
Cr% |
|
CK45 |
0.42-0.50 |
0.50-0.80 |
≤0.04 |
≤0.035 |
0.035 |
≤ 0.25 |
|
|
ST52 |
≤0.22 |
≤1.6 |
≤0.55 |
≤0.04 |
≤0.04 |
||
|
20MnV6 |
0.16-0.22 |
1.30-1.70 |
0.10-0.50 |
≤0.035 |
≤0.035 |
0.10-0.20 |
≤0.30 |
|
42CrMo4 |
0.38-0.45 |
0.60-0.90 |
0.15-0.40 |
≤0.035 |
≤0.035 |
0.07-0.12 |
0.90-1.20 |
|
40Cr |
0.37-0.45 |
0.50-0.80 |
0.17-0.37 |
≤0.035 |
≤0.035 |
0.80-1.10 |
2. MECHANCIAL PROPERTIES
|
Material |
T.S N/MM2 |
Y.S N/MM2 |
E%(MIN) |
CHARPY |
CONDITION |
|
CK45 |
610 |
355 |
15 |
>41J |
NORMALIZE |
|
CK45 |
800 |
630 |
20 |
>41J |
Q + T |
|
ST52 |
500 |
355 |
22 |
NORMALIZE |
|
|
20MnV6 |
750 |
590 |
12 |
>40J |
NORMALIZE |
|
42CrMo4 |
980 |
850 |
14 |
>47J |
Q + T |
|
40Cr |
1000 |
800 |
10 |
Q + T |
3. SUPPLY CONDITION
Ground and chrome plated , induction, quenched and tempered
4. CHROME THICKNESS
20 to 30 micron
5. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micro
6. TOLERANCES ON DIA
ISO f7 on the diameter
7.OVALITY
Half of the tolerance ISO f7
8. STRAIGHTNESS
≤0.2MM/M
9. SURFACE HARDNESS
850-1150HV (vickers 100g)
10.COHESION
No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water)
11 .POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
12. CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-72hours
Results evaluation according to ISO 4540 RATING 7-10
13. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
Packaging & Delivery|
Packaging Details |
in bundle, with plastic caps, anti-rusted oiled, with woven bags |
|
Delivery Time |
within 20 days |
We will continue to develop safe, environmentally friendly and sustainable E355 E410 E470 Hot Rolled and Deep Hole Bored or Cold Drawn Seamless Precision Honed Steel Tube for Hydraulic Cylinder Barrel based on technological innovation. We abide by the tenet of 'quality first, customer first', insist on continuous technological innovation, and strive to make the company's overall technical level in an international leading position. To provide an inexhaustible and strong driving force for the sustainable development of the industry is one of our continuous progress goals.
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