Specifications
Place of Origin :
China
Brand Name :
HY
MOQ :
5 tons
Price :
Negotiation
Packaging Details :
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
Delivery Time :
30days
Payment Terms :
L/C, T/T
Supply Ability :
30tons a day
Certification :
ISO9001:2008
Name :
Hollow piston rod
Standard length :
1000mm - 8000mm
Surface condition :
Hard chrome plating
Chrome thickness :
25 +/- 5 micron
Surface roughness :
Ra≤0.2micron and Rt≤2micro
Tolerance on Dia :
f7
Description

Ground Polished Chrome Plated Hollow Steel Pipe Bar , Cold Drawn


cold drawn hollow bar

Detailed Product Description

1. Material: 42CrMo4, 40Cr, CK45,ST52, 20MnV6
2. Ground and chrome plated
3. Advanced inspection apparatus
4. Complete manufactured equipment
5. ISO9001:2008

Detailed Description
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

ST52

0.22

1.6

0.55

0.035

0.04

20MnV6

0.16-0.22

1.30-1.70

0.10-0.50

0.035

0.035

0.10-0.20

42CrMo4

0.38-0.45

0.60-0.90

0.15-0.40

0.03

0.03

0.90-1.20

40Cr

0.37-0.45

0.50-0.80

0.17-0.37

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
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. WELDABILITY
Good
14. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
15. CERTIFICATE
All certificate related with material heat treatment and plating is required

We follow company spirits of sincerity, innovation, excellence and quality, have developed many new products with proprietary intellectual property rights, among which some products have passed provincial identification.

Ground Polished Chrome Plated Hollow Steel Pipe Bar , Cold Drawn

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Ground Polished Chrome Plated Hollow Steel Pipe Bar , Cold Drawn

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Place of Origin :
China
Brand Name :
HY
MOQ :
5 tons
Price :
Negotiation
Packaging Details :
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
Delivery Time :
30days
Contact Supplier
Ground Polished Chrome Plated Hollow Steel Pipe Bar , Cold Drawn
Ground Polished Chrome Plated Hollow Steel Pipe Bar , Cold Drawn
Ground Polished Chrome Plated Hollow Steel Pipe Bar , Cold Drawn

Jiangsu New Heyi Machinery Co., Ltd

Verified Supplier
13 Years
jiangsu, wuxi
Since 1999
Business Type :
Manufacturer
Total Annual :
10 Million-11 Million
Employee Number :
200~300
Certification Level :
Verified Supplier
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