EN10305 Cold Drawn Precision Seamless Steel Pipe For Hydraulic Tube

Product Details

EN10305 Cold Drawn Precision Seamless Steel Pipe for Hydraulic Tube

Outer diameter: 25mm -500mm 
Wall thickness: 2-50mm
Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305

Cold Drawn Tube can be produced according to the demands of costumers that the degree of precision can reach H9/H11.

Material & Chemical Composition:
EN10305 standard E355, 16Mn, DIN2391 standard ST52, 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





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


Dimension tolerance:

Inner Dia (mm)

ID Tolerance (mm)

WT Tolerance (mm)

H7

H8

H9

H10

H11

30

+0.021/0

+0.038/0

+0.052/0

+0.084/0

+0.130/0

±5-10%

>30-50

+0.025/0

+0.039/0

+0.062/0

+0.100/0

+0.160/0

>50-80

+0.030/0

+0.046/0

+0.074/0

+0.120/0

+0.190/0

>80-120

+0.035/0

+0.054/0

+0.087/0

+0.140/0

+0.220/0

>120-180

+0.040/0

+0.063/0

+0.100/0

+0.160/0

+0.250/0

>180-250

+0.046/0

+0.072/0

+0.115/0

+0.185/0

+0.290/0

>250-315

+0.052/0

+0.081/0

+0.130/0

+0.210/0

+0.320/0

>315-400

+0.057/0

+0.089/0

+0.140/0

+0.230/0

+0.360/0


Product description:

Processing Form

I. D

Length

Straightness

I. D Tolerance

I. D Roughness

Cold-rolled

30-100

= 12M

0.3-1.0

H8-H10

0.4-1.6

Cold-drawn

30-250

= 12M

0.3-1.0


0.8-1.6

Hone

40-500

= 12M

1000

H8-H9

0.4-0.8

SRB

40-400

= 7M

1000

H8-H9

0.1-0.4

??5.jpg

Any questions or inquiries will be highly appreciated.

Kindly please contact us freely at gracewang@ruichengsteel.cn

Feedback