Cold Drawn Seamless Tube for Honing

Professional manufacturer of cold drawn seamless tube for honing, founded in 2004, major in honed tube, Ready to honed tube, chrome rod, chrome bar, chrome shaft, at present we are biggest manufacturer and wholesaler in north of China. Cold drawn seamless tube for honing Different name:...

Product Details

Professional manufacturer of cold drawn seamless tube for honing, founded in 2004, major in honed tube, Ready to honed tube, chrome rod, chrome bar, chrome shaft, at present we are biggest manufacturer and wholesaler in north of China. 


Cold drawn seamless tube for honing

Different name: pre-honed tube, tubes to be honed, tube suitable for honing, ready honed tube, ready for honed tube

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

Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305 ASTM A519, DIN2391, EN10204-1

Heat treatment: BKS, Stress Relieved

OD metric size: 30 to 1000mm

OD imperial size: 1" to 20"

Length: max 16 Meter for some sizes.

Straightness: < 0.5 mm/m

ID Honing Margin: + 0.3 to 0.6mm

ID Roughness(Ra)<1.6 Micron

Delivery Condition: Cold finished (hard) (BK), Cold drawn and stress-relieved (BK+S)

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Parameters Description

Grade

Cold finished (hard) (BK)

Cold finished (hard) (BK+S)

Hardness

Impact Value (-20°C) J

T.S
bN/mm2

Elongation 85%

T.S
bN/mm2

Y.S SN/mm2

Elongation 85%

1020

≥550

≥8

≥520

≥400

≥15

170

--

C45

≥680

≥5

≥630

≥520

≥12

190

--

16Mn

≥640

≥5

≥600

≥520

≥14

160

--

27SiMn

≥780

≥5

≥700

≥580

≥10

220

--

ST52

≥660

≥8

≥620

≥520

≥15

190

--

ST52.3

≥660

≥8

≥620

≥520

≥15

190

≥27


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




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