Place of Origin: | China |
Nazwa handlowa: | HY |
Orzecznictwo: | ISO9001:2008 |
Minimum Order Quantity: | 5 tons |
---|---|
Cena: | 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 |
Product name: | Hollow round bar | Surface treatment: | Chrome Plating |
---|---|---|---|
Chrome thickness: | 20-30 micron | Diameter tolerance: | ISO f7 |
Surface hardness: | 850-1150 HV (vickers 100g) | Surface roughness: | Ra≤0.2micron and Rt≤2micro |
High Light: | round hollow bar,hollow steel bar |
42CrMo4 Hollow Round Bar Quenched / Tempered 1000mm - 8000mm
Detailed Product Description
1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr
2. Diameter: 6mm - 1000mm
3. Length: 1000mm - 8000mm
4. Tensile strength: Not less than 610 N/MM2
5. Yield strength: Not less than 355 N/MM2
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
Osoba kontaktowa: Miss. Patty
Tel: 8613921505262
Faks: 86-510-83952939