40Cr Hard Chrome Plated Bar For Construction Machine Length 1m - 8m

40Cr Hard Chrome Plated Bar For Construction Machine Length 1m - 8m

Detailed Product Description

1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr

2. Ground and chrome plated

3. Tensile strength: Not less than 610 N/MM2

4. Yield strength: Not less than 355 N/MM2

5. Complete manufactured equipment

6. Application: Mining machinery industry, textile / printing industry and so on

Detailed Description

1.CHEMICAL COMPOSITION

2.MECHANCIAL PROPERTIES

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

Our factory is located in the city famous for the peach in the shore of Taihu Lake in Wuxi. The transportation is very convenient, only 30 minutes to Wuxi Airport and railway station and about 1 kilometer from the entrance of Luqu of Wuxi—Yixing Expressway (belongs to Shanghai-Nanjing Expressway). The manufactory covers an area of about 25000 square meters and has more than 200 employees, among which more than 20 are technical engineers.