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| Place of Origin: | China |
| Brand Name: | HY |
| Certification: | ISO9001:2008 |
| Minimum Order Quantity: | 5 tons |
|---|---|
| Price: | 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 |
| Name: | Hollow Round Bar | Length: | 1000mm - 8000mm |
|---|---|---|---|
| OD: | 6mm - 1000mm | Diameter Tolerance: | ISO F7 |
| Surface Hardness: | 850-1150 HV (vickers 100g) | Surface Roughness: | Ra≤0.2micron And Rt≤2micro |
| Highlight: | High Precision Stainless Hollow Bar,Hollow Stainless Steel Rod |
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High Precision Stainless Hollow Bar / Hollow Stainless Steel Rod
Detailed Product Description
1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr
2. Tensile strength: Not less than 610 N/MM2
3. Yield strength: Not less than 355 N/MM2
4. Advanced inspection apparatus
5. Application: Mining machinery industry, textile / printing industry and so on
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
We imported one continous chrome plating line from Italy at the beginning of 2016. With this new chrome plating line, we will improve efficiency and product quality a lot.The new chrome plating line is the first one in China and will be the only one in the next five years!
Contact Person: Miss. Patty
Tel: 8613921505262
Fax: 86-510-83952939
