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Wuxi Chunfa Hydraulic Machinery Co., Ltd.
Wuxi Chunfa Hydraulic Machinery Co., Ltd.
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Precision ST52 Hollow Round Bar Hard Chrome Plated Rod ISO9001 Approved

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Wuxi Chunfa Hydraulic Machinery Co., Ltd.

City: wuxi

Province/State:jiangsu

Country/Region:china

Tel:86--15061822228

Contact Person:
Mr.Xu
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Precision ST52 Hollow Round Bar Hard Chrome Plated Rod ISO9001 Approved

Brand Name chunfa
Certification ISO9001:2008
Place of Origin China
Minimum Order Quantity 1 ton
Price Negotiation
Payment Terms L/C, T/T
Supply Ability 400ton per month
Delivery Time 30days
Packaging Details Anti rust oil to be applied on material and each rod to be packed in paper sleeve
Chrome Thickness 20-30 micron
Product Chrome hollow round bar
Corrosion Resistance High
Elongation ≥40%
Hard Chrome Thickness 20 - 30 micron
Ovality Half of the tolerance ISO f7
Shape Round
Standard Length 1000mm - 8000mm
Straightness Not more than 0.2 MM/M
Surface Treatment Hard Chrome Plated
Surface Condition Hard Chrome Plated
Surface Hardness 850-1150 HV (vickers 100g)
Surface Treatment Polished
Tensile Strength ≥520 MPa
Yield Strength ≥205 MPa
Detailed Product Description

Precision ST52 Hollow Round Bar Hard Chrome Plated Rod Tempered With ISO9001:2008

 

 

Product Name:Hollow Round BarStandard Length:1000mm - 8000mm
Diameter:6mm - 1000mmYield Strength:Not Less Than 355 N/MM2
Straightness:Not More Than 0.2 MM/MSurface Hardness:850-1150 HV (vickers 100g)
High Light:

hollow steel tube

,

hollow steel bar

 

 

Precision ST52 Hollow Round Bar Tempered with ISO9001:2008


Detailed Product Description

1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr
2. ISO9001:2008
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

MaterialC%Mn%Si%S%P%V%Cr%
Ck450.42-0.500.50-0.800.040.0350.035  
ST520.221.60.550.0350.04  
20MnV60.16-0.221.30-1.700.10-0.500.0350.0350.10-0.20 
42CrMo40.38-0.450.60-0.900.15-0.400.030.03 0.90-1.20
40Cr0.37-0.450.50-0.800.17-0.37   0.80-1.10


2.MECHANCIAL PROPERTIES

MaterialT.S N/MM2Y.S N/MM2E%(MIN)CHARPYCONDITION
CK4561035515>41JNORMALIZE
CK4580063020>41JQ + T
ST5250035522 NORMALIZE
20MnV675059012>40JNORMALIZE
42CrMo498085014>47JQ + T
40Cr100080010 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!

Product Tags: Precision Hollow Round Bar   ST52 Hollow Round Bar   Hard Chrome Plated Rod ISO9001  
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