http://www.cnxinglong.cnExport DepartmentDavid JohnPhone: +86 - 635 - 8886513/+86 - 18663029896Fax: +86 - 635 - 8886535
No.3 Taishan Road,Development ZoneLiaocheng, ShandongChina, 252000Web Page Link: http://www.toboc.com/liaochengxinglongseamlesssteeltubemfgcoltd
1 OD32-500mm W.T.3.5-80mm2 ISO certificated DIN2391 En103053 Straightness:0.3~1mm/m4 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.
Cylinder diameter Length /mm Straightness Size accuracy Wall thickness/mm Inner bore
Cold-drawn ID30~OD250 =13M 0.3~1.0mm/m H9-H11 1778 Percent 0.8~1.6um
Honed tube ID50~OD325 =10M 0.3~1.0mm/m H7-H9 1778 Percent 0.4~0.8um
Ck20 510 s N/mm2 500ssN/mm2 5ds Percent 175HB
Ck45 660 sN/mm2 630ssN/ mm2 4ds Percent 207HB
ST52 580s N/mm2 420ssN/ mm2 10ds Percent 190HB
27SiMn 840s N/mm2 805ssN/ mm2 7.5ds Percent 230HB
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Liaocheng Xinglong Seamless Steel Tube MFG Co.,Ltd