High Strength Steel Thread Rod Instead Of Quenched And Tempered Rod For Cylinder
Brand Name:HY
Certification:ISO9001:2008
Minimum Order Quantity:1 tons
Delivery Time:30days
Payment Terms:T/T, L/C
Place of Origin:China
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Wuxi Jiangsu China
Address:
Yangshan Industrial Park Huishan District Wuxi Jiangsu China
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Product Details
High Strength Steel Thread Rod Instead Of Quenched And Tempered Rod
For Cylinder
Product Description
1. Stable and uniform mechanical properties.
2. Save manufacturing expenses and avoid waste in the tempering
process.
4. Shortened processing periods, enhance productivity and reduce
the occupied capital.
4. Low processing cost, needless quenched and tempered process and
the second turning
5. Energy conservation: Production no quenched and tempered process
greatly saves the energy
consumption.
6. Environments protection: Production no quenched and tempered
process meets the requirements of
environmental protection.
Detailed Description
1. MATERIAL: HY4700, HY4520
2. CHEMICAL COMPOSITION(%)
Material | C% | Mn% | Si% | S% | P% | V% | Ni | Cr% | Mo | Cu |
HY4700 | 0.38-0.45 | 1.20 ~1.60 | 0.30~0.50 | ≤0.035 | ≤0.020 | 0.05～0.15 | ≤0.25 | 0.10～0.20 | ≤0.15 | 0.25 |
HY4520 | 0.40 ~0.48 | 0.80 ~1.40 | 0.15 ~0.35 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 | ≤0.15 | ≤0.25 |
3. MECHANICAL PROPERTIES
Material | MECHANICAL PROPERTIES | Surface hardness(HBW) | |||||
Rm(MPa) | Rel(MPa) | A% | Z% | KU2(J) | |||
HY4700 | Φ35 - Φ100 | 900 - 1100 | ≥650 | ≥16 | ≥35 | ≥39 | 270-340 |
＞Φ100 - Φ140 | 850 - 950 | ≥600 | ≥16 | ≥35 | ≥39 | 270-340 | |
HY4520 | Φ40 - Φ100 | 750 - 900 | ≥520 | ≥19 | ≥40 | ≥39 | 230-290 |
＞Φ100～Φ140 | 750 - 900 | ≥520 | ≥17 | ≥35 | ≥39 | 230-290 | |
4. SUPPLY CONDITION
Ground and chrome plated
5. CHROME THICKNESS
20 to 30 micron
6 .SURFACE HARDNESS
850-1150HV (vickers 100g)
7. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micron
8. STRAIGHTNESS
≤0.2MM/M
9. TOLERANCES ON DIA
ISO f7 on the diameter
10.OVALITY
Half of the tolerance ISO f7
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 .POROSITY
Test according to ISO 1456/1458 and result yaluation according to
ISO 4540 rating 8-10
14. WELDABILITY
Good
15. CERTIFICATE
All certificate related with material heat treatment and plating is
required
16. PACKING
Anti rust oil to be applied on material and each rod to be packed
in paper sleeve
High Strength Steel Thread Rod Instead Of Quenched And Tempered Rod For Cylinder
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