JIS G3445 STAM 390G automobile precision steel tube OD: 6MM - 168MM Thickness:0.9-10MM Tolerance: +/-0.05mm

JIS G3445 STAM 390G automobile precision steel tubeOD: 6MM - 168MMThickness:0.9-10MMTolerance: +/-0.05mm

usage: automobile precision parts raw material

packing: in bundles, outside wrapped with polysheet

MECHANICAL PROPERTIES
1	Hardness		: -
2	Elongation		: Min 30%
3	Tensile Streng		: Min 40 kgf/mm2 (390 N/mm2)
4	Yeild Strength		: Min 24 kgf/mm2 (235 N/mm2)
5	Test Bending.		:
CHEMICAL COMPOSITION
1	Carbon		: 0,25 max
2	Mangan		: 0.30 to 0.90
3	Silicon		: 0,35 max
4	Phosfor		: 0,035 max
5	Sulfur		: 0,035 max

plain ends, in bundles, oiled surface