Professional Induction Hardened Chrome Bar / Cold Drawn Steel Bar

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

2. Advanced inspection apparatus

3. Complete manufactured equipment

4. Condition: Chrome plated, Quenched / Tempered, Induction hardened, Q / T Induction hardened

5. 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

The raw material are produced from the first class steel plants in China coupled with our extensive experience for the rod industry and quality system ISO9001ensure very high quality products. We are committed to build long term business relationship with our customers and hold ourselves to the highest levels of all the areas of our business.