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JIS G3444 Carbon Steel Tubes

JIS G3444 Carbon Steel Tubes

Grade of JIS G3444 carbon steel tubes Application of JIS G3444 carbon steel tubes Used for civil engineering,architecture,steel towers,scaffoldings,struts,piles for suppression of landslide and other structures. Chemical composition of JIS G3444 carbon steel tubes Appearance of JIS G3444 carbon...

Description

Grade of JIS G3444 carbon steel tubes


Grade
STK290
STK400
STK500
STK490
STK540



Application of JIS G3444 carbon steel tubes

Used for civil engineering,architecture,steel towers,scaffoldings,struts,piles for suppression of landslide and other structures.


Chemical composition of JIS G3444 carbon steel tubes

GradeCSiMnPS
STK290---0.050 max0.050 max
STK4000.25 max--0.040 max0.040 max
STK5000.24 max0.35 max0.30-1.300.040 max

0.040 max

STK4900.18 max0.55 max1.50 max0.040 max0.040 max
STK5400.23 max0.55 max1.50 max0.040 max0.040 max


Appearance of JIS G3444 carbon steel tubes

The tube shall be practically straight and both ends shall be at a a right angle to the axis of the tube.

The tube shall be free from defects which are detrimental to practical use.

When particularly required by the purchaser,the surface finishing and plating of the tube shall be agreed upon by the  upon by the purchaser and manufacturer


Method of manufacture of JIS G3444 carbon steel tubes

The tube shall be manufactured by seamless process,ERW,SSAW LSAW process.


Product show of manufacture of JIS G3444 carbon steel tubes

Size:

OD:3/4''  WT:SGP

光影魔术手拼图





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