JIS G3444 Seamless Carbon Steel Tube

JIS G3444 Seamless Carbon Steel Tube

1)JIS G3444
2)Steel grade: STK 30, STK 41, STK 50, STK 51, STK 55
3)Application: Carbon Steel Tubes for General Structural Purpose
4)Dimension Range: 21.7-1016.0 mm
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Product Details

JIS G3444 Seamless Carbon Steel Tube

Steel grade: STK 30, STK 41, STK 50, STK 51, STK 55

Application: Carbon Steel Tubes for General Structural Purpose

Dimension Range: 21.7-1016.0 mm

JIS – Japanese Industrial Standard

Grades of symbols

Symbol of Class

Former symbol

STK 290

STK 30

STK 400

STK41

STK 500

STK51

STK490

STK50

STK 540

STK55

Chemical Composition

Symbol of grade

C

Si

Mn

P

S

STK290

-

-

-

0.05max

0.05max

STK400

0.25max

-

-

0.04max

0.04max

STL500

0.24max

0.35max

0.3-1.3

0.04max

0.04max

STK490

0.18max

0.55max

1.5max

0.04max

0.04max

STK540

0.23max

0.55max

1.5max

0.04max

0.04max

applications of JIS G3444 Seamless Carbon Steel Tube

This standard applies to civil engineering, construction,building, iron towers, scaffolding, pillars, landslide steel piles and other structural carbon steel pipes.

Surface: Bare pipe, Oiled,Black paint Galvanized.

Package: hexagonal bundled or loose packing. 

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