Skived ID Finished Tubes for Cylinder

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Wuxi Baiheng Metal Co., Ltd

VIP   Audited Supplier 16 years
Profile Certified by SGS/BV
ID40-500
Seamless
Cold Drawn
Carbon Steel
Oiled
Oil/Gas Drilling
Round
Cold Drawn
Hengtong
in Bundel , with Plastics on Both Ends, Oil Coated
ID40-500
China
7304900000
Product Description
Contact: Flora Ni
 
 




ST52 seamless steel honing tube for hydraulic cylinder:
ST52/16Mn/E355 or A106B/20#/C20 material. ID size from 40-400, H8, BKS condition. 
We also have cold drawn tubes/ pre honed tubes/ ready to honed tubes./skived tubes

 

Material & Chemical Composition:

 DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45

Material

C

Si

Mn

S(≤)

P(≤)

Cr

Ni

Mo

other

A106B / C20#

0.17-0.23

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.30

 

Cu≤0.25

CK45#

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

≤0.25

≤0.30

 

Cu≤0.25

Q345B

≤0.20

≤0.55

1.00-1.60

0.040

0.040

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

Alt≥0.015

ST52

E355

16Mn

≤0.20

≤0.55

1.00-1.60

0.045

0.045

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

16Mn

25Mn

0.22-0.30

0.17-0.37

0.70-1.00

0.035

0.035

≤0.25

≤0.25

 

 

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.030

0.030

 

 

 

 

42SiMn

0.39-0.45

1.10-1.40

1.10-1.40

0.030

0.030

 

 

 

 

42CrMo

0.38-0.45

0.17-0.37

0.50-0.80

0.025

0.025

0.90-1.20

 

0.15-0.25

 

Accuracy :

Working

method

Cylinder ID (mm)

Length

(m)

Straightness

(mm/m)

Tolerance

on ID

Tolerance

on WT

Roughness

(μm)

Cold drawn

40-320

≤12M

0.2-0.5

/

±5%

0.8-1.6

 Cold rolling

         30-100

     ≥12M

          0.2-0.5

               /

           ±5%

         0.8-1.2

cold drawn-honed

40-500

8M

0.2-0.3

H8-H9

±5%

0.2-0.8

Cold drawn-skived

40-400

9M

0.2-0.3

H8-H9

±5%

≤0.4

Hole boring-honed

320-400

8M

0.2-0.3

H7-H9

±8%

≤0.8

Hole boring-skived

320-400

9M

0.2-0.3

H8-H9

±8%

≤0.4

 

 

Mechanical property:

Final Supply

Condition

Cold drawn finished

(BK)

Cold drawn and stress-relieved

(BKS / SR)

Hardness HB

Parameters

Tensile Strength

(MPA)

Elongation

δ%

Tensile Strength

(MPA)

Yield Strength

(MPA)

Elongation

δ%

C20 / 20#/A106B

550

8

520

470

12

175

45#(CK45)

650

5

600

520

12

207

16Mn(ST52,E355)

640

5

600

520

15

190

25Mn

640

5

600

510

15

195

27SiMn

840

5

800

720

10

230

 

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