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You are here : section steel--Katalor steel > Flat steel > 正文JIS G3101 SS400/SS490 flat steel

JIS G3101 SS400/SS490 flat steel

JIS G3101 SS400/SS490 flat steel

JIS G3101 SS400/SS490 flat steel used for general structure such as bridges,building,ships,rolling stocks and other structures.

SS400/SS490 applicable steel product: steel plate and sheets,steel strip in coil,sections,flats and bars. SS400/SS490 is a material grade and designation defined in JIS G3101 standard. JIS G3101 is a Japanese material standard for hot Rolled steel plates, sheets, strips for general structural usage. The structural quality hot rolled SS400 steel is more reliable in its tensile strength than SS330 steel.

SS400/SS490 chemical composition

  C Mn P S
SS400 - - 0.050 max 0.050 max
SS490 - - 0.050 max 0.050 max

SS400/SS490 flat steel mechanical properties

Grade Yield point or yield strength N/mm2 Tensile strength N/mm2
Thickness of steel product  
16 or under 16-40 40-100 Over 100
SS400 245 min 235 min 215 min 205 min 400-510
SS490 285 min 275 min 255 min 245 min 490-610

JIS G3101 SS400/SS490 hot-rolled flat steel specification: Thickness--4mm-30mm Width--12mm-200mm Flat steel are divided into three groups by weight 1.Every m less than 19 kg,usually long 3 ~ 9 m (length). 2.Every m less than 19 ~ 60 kg,usually long 3 ~ 7 m (length). 3.Every m greater than 60 kg,usually long 3 ~ 5 m (length). Models for non-standard products, usually 2 ~ 6 m length. We can provide steel processing service such as Cutting, Heat treatment,Galvanization, Pre-treatment,and the Third Party inspection and so on.

Shanghai Katalor is the JIS G3101 SS400/SS490 hot-rolled flat steel supplier,can also provide JIS G3101 SS400/SS490 hot-rolled flat steel surface treatment and deep processing,.if you need JIS G3101 SS400/SS490 hot-rolled flat steel,contact us!

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