High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

Description:Product Details:Plac...

Product Details

Product Details:

Place of Origin:China
Brand Name:HY
Certification:ISO9001:2008

Payment & Shipping Terms:

Minimum Order Quantity:1 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:T/T, L/C
Supply Ability:30tons a day


 

High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength

 

 

Detailed Product Description


1. Material: ST52, CK45, 42CrMo4, 40Cr, 20MnV6, HY4520, HY4700
2.
Category: Hard chrome piston rod

                    Quenched & Tempered (Q+T) rod

                    Induction hardened rod

                    Q+T induction hardened rod

                    Micro alloy steel piston rod

                    Wind power project piston rod

3. Yield strength: Not less than 355 MPa
4. Tensile strength: Not less than 610 MPa
5. Passed the ISO9001:2008 international quality system.

6. Our inspection apparatus and production equipment are advanced and superior.

 

 

Detailed Description

 

1. CHEMICAL COMPOSITION(%)

 

Material

C%

Mn%

Si%

S%

P%

V%

Ni

Cr%

Mo

Cu

ck45

0.42-0.50

0.50-0.80

0.17-0.37

≤0.035

≤0.035

 

≤0.25

≤0.25

 

≤0.25

ST52

≤0.22

≤1.6

≤0.55

≤0.04

≤0.04

0.02-0.15

 

 

 

 

20MnV6

0.17-0.24

1.30-1.70

0.10-0.50

≤0.035

0.035

0.10-0.20

≤0.30

≤0.30

 

≤0.30

42CrMo

0.38-0.45

0.5-0.8

0.17-0.37

≤0.035

≤0.035

0.07-0.12

≤0.03

0.90-1.20

0.15-0.25

≤0.03

40Cr

0.37-0.45

0.50-0.80

0.17-0.37

≤0.035

≤0.035

 

≤0.3

0.80-1.1

 

≤0.03

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

 

 

2.  MECHANICAL PROPERTIES

 

Material

T.S /    Rm(MPa)

Y.S /     Rel(MPa)

 A%

 

CHARPY

 

CONDITION

ck45

610

355

16

>41J

 Normalized

ck45

800

540

20

>41J

  Q+T

ST52

500

355

22

 

 Normalized

20MnV6

750

590

12

>40J

 Normalized

42CrMo4

980

850

14

>47J

 Q+T

  40Cr

1000

800

10

 

 Q+T

 

 

3. MICRO ALLOY STEEL

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. 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. SURFACE ROUGHNESS

     Ra≤0.2 micron and  Rt≤2 micron

11. COHESION 

     No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees

    and cooling in water)

12 .POROSITY

      Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10

13. CORROSION RESISTANCE

     Test in natural salt spray according to ASTM B 117-120hours

     Results evaluation according to ISO 4540 RATING 7-10

14. WELDABILITY

     Good 

15. PACKING 

     Anti rust oil to be applied on material and each rod to be packed in paper sleeve

16. CERTIFICATE 

      All certificate related with material heat treatment and plating is required 

 

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