JIS G3445 Mechanical Tube
JIS Standards Mechanical Tube Standard JIS G3445 Application It is used for machinery, automobile, bicycle, furniture and components for other machines. Main Steel Tube Grades STKM11A, STKM12(A,B,C), STKM13(A,B,C), STKM14(A,B,C) Chemical Composition Standard Steel Grade Chemical Composition % C Si Mn P S JIS G3445 STKM11A ≤0.12 ≤0.35 ≤0.60 ≤0.040 ≤0.040 STKM12A ≤0.20 ≤0.35 ≤0.60 ≤0.040 ≤0.040 STKM12B STKM12C STKM13A…
