We strive to improve the quality of Ck45 Cold Drawn Tube, Round Chrome Rod, Self Aligned Pipe Welding Roller to guarantee complete benefits and industrial competitiveness of our company. Quality innovation is the enterprise spirit of our company. In accordance with the development idea of 'making the enterprise stronger, better and better', we always strive for improvement and strive to present the top brand products to users in the fierce market competition. In the people-oriented corporate culture that we have always respected, team diversity is one of our success factors. We take the cost management as the core and the production spot management as the foundation, grasping the market quotation to provide the first-class service, the top-rate product quality to the customer.
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 are implementing the new green development concept, increasing research and technological development and application to create the DIN2391 St52 Precision Cold Drawn Bks Carbon Steel Honed Tube which with low energy consumption. Our company has a complete set of pre-sale and after-sales service system to track the use of products and feedback, and provide timely and thoughtful follow-up service for customers. Our mission is to deliver consistently superior value to our customers and their clients.
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