We have reliable raw material suppliers, independent product manufacturing industry chain, sophisticated testing equipment and advanced production technology to ensure that our E355 Cold Drawn Pipe, Ck20 Steel Honed Tube, Welding Rotators Positioners is ahead of other brands. We'll sincerely develop and share success with all clientele. We have confident that we can provide the high quality products at resonable price, good after-sales service to the customers. We provide foreign customers with the products they need in the shortest possible time. We take customer satisfaction as the goal, and we will continue to innovate on the original basis and constantly pursue perfection to meet the different needs of customers.
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, as always, keep improving, keep making progress, and constantly improve the quality of Cold Drawn Honed Seamless Tubes in Material of S355 220 H8 X 273 Sr External Machining+Deep Hole Boring+Honing. To be the real winner, starts here! If you trust and send inquiry to us, will feedback with best quality, price and service!
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