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Q345B Seamless Steel Pipe Hollow Round Bar Cold Drawn Steel Bar For Machining

Q345B Seamless Steel Pipe Hollow Round Bar Cold Drawn Steel Bar For Machining

  • Q345B Seamless Steel Pipe Hollow Round Bar Cold Drawn Steel Bar For Machining
  • Q345B Seamless Steel Pipe Hollow Round Bar Cold Drawn Steel Bar For Machining
Q345B Seamless Steel Pipe Hollow Round Bar Cold Drawn Steel Bar For Machining
Product Details:
Place of Origin: China
Brand Name: HY
Certification: ISO9001:2008
Payment & Shipping Terms:
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
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Detailed Product Description
Product: Chrome Hollow Round Bar Material: Steel
OD: 6mm - 1000mm Length: 1000mm - 8000mm
Surface Treatment: Hard Chrome Plating Hard Chrome Thickness: 20 - 30 Micron
Highlight:

Seamless Steel Pipe Hollow Round Bar

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Q345B hollow steel bar

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Precision Machining Cold Drawn Steel Bar

Q345B Seamless Steel Pipe Cold Drawn Steel Bar For Machining
 
 
 Detailed Product Description
 
1. Material: 42CrMo4, 40Cr, CK45, ST52,  20MnV6
2. Tensile strength: Not less than 610 N/MM2
3. Yield strength: Not less than 355 N/MM2
4. Advanced inspection apparatus
5. Complete manufactured equipment
 
 
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
 
Q345B Seamless Steel Pipe Hollow Round Bar Cold Drawn Steel Bar For Machining 0
 

Contact Details
Jiangsu New Heyi Machinery Co., Ltd

Contact Person: Miss. Patty

Tel: 8613921505262

Fax: 86-510-83952939

Send your inquiry directly to us (0 / 3000)

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