Length 1m - 8m Micro Alloyed Steel Rod For Mechanical Manufacturing


Product Description
1. ISO9001:2008, stable and uniform mechanical properties, the directly turning saves the logistics cost.
2. Save manufacturing expenses and avoid waste in the tempering process.
3. Shortened processing periods, enhance productivity and reduce the occupied capital
4. The mechanical property is correspond to quenched and tempered 42CrMo4, 40Cr and CK45 or over
them and very uniform on the whole cross section.
5. It can be used for manufacturing injuection molding machine draglink, engineering machinery push
rod and hydraulic prop with the feature that hardened and tempered steel mechanical property
needless quenched and tempered process.
6. Production no quenched and tempered process meets the requirements of environmental protection

Detailed Description

1. MATERIAL: HY4700, HY4520

2. CHEMICAL COMPOSITION(%)

3. MECHANICAL PROPERTIES

4. SUPPLY CONDITION
Ground and chrome plated
5. CHROME THICKNESS
20 to 30 micron
6. TOLERANCES ON DIA
ISO f7 on the diameter
7. STRAIGHTNESS
≤0.2MM/M
8.OVALITY
Half of the tolerance ISO f7
9 .SURFACE HARDNESS
850-1150HV (vickers 100g)
10. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micron
11. COHESION

No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees

and cooling in water)
12. CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-120hours
Results evaluation according to ISO 4540 RATING 7-10

13. WELDABILITY
Good

14.POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
15. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
16. CERTIFICATE
All certificate related with material heat treatment and plating is required