Cold Drawn ST52 honed tube for hydraulic cylinder industry DIN2391 En10305 manufacturer from China Wuxi Jinlifang Seiko Technology Co., Ltd

Cold Drawn ST52 honed tube for hydraulic cylinder industry DIN2391 En10305

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Quick Details
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Quick Details

Type:

honed tube

Brand Name:

Place of Origin:

Jiangsu China (Mainland)

Packaging & Delivery

Packaging Detail:	Nude packed. Oiled and capped in both ends
Delivery Detail:	25 days

Specifications

1 OD32-500mm W.T.3.5-80mm
2 ISO certificated DIN2391 En10305
3 Straightness:0.3~1mm/m
4 Inside Roughness:0.4~0.8um

steel pipes for hydraulic use

Material: C20, CK45, etc. also ST52 if given enough time. our products are widely used in hydraulic industry and is very popular both home and abroad.

And we can also make our products according to the customers' needs.

Variety

Processing

Cylinder diameter

Length /mm

Straightness

Size accuracy

Wall thickness/mm

Inner bore

roughness

Cold-drawn

ID30~OD250

≤13M

0.3~1.0mm/m

H9-H11

±8%

0.8~1.6um

Honed tube

ID50~OD325

≤10M

0.3~1.0mm/m

H7-H9

±8%

0.4~0.8um

Mechanics performance

Material	Tensile strength	Yield strength	Elongation	Hardness
Ck20	510 σ N/mm2	500σsN/mm2	5δs%	175HB
Ck45	660 σN/mm2	630σsN/ mm2	4δs%	207HB
ST52	580σ N/mm2	420σsN/ mm2	10δs%	190HB
27SiMn	840σ N/mm2	805σsN/ mm2	7.5δs%	230HB

Dimension tolerance

ID size	ID deviation (mm)
H7	H8	H9	H10
30	+0.021 0	+0.033 0	+0.052 0	+0.084 0
>30~50	+0.025 0	+0.039 0	+0.062 0	+0.100 0
>50~80	+0.030 0	+0.046 0	+0.074 0	+0.120 0
>80~120	+0.035 0	+0.054 0	+0.087 0	+0.140 0
>120~180	+0.040 0	+0.063 0	+0.100 0	+0.160 0
>180~250	+0.046 0	+0.072 0	+0.115 0	+0.185 0
>250~315	+0.052 0	+0.081 0	+0.130 0	+0.210 0
>315~400	+0.0527 0	+0.089 0	+0.140 0	+0.230 0

ID size

ID deviation (mm)

H10

+0.021

+0.033

+0.052

+0.084

>30~50

+0.025

+0.039

+0.062

+0.100