Spring steel rod bar for sway bars,rear stabilizer in automobile industry Product Description We factory are mainly produce steel round bar with various steel like pinion steel,bearing steel,Spring steel,alloy constructional steel &high quality carbon constructional steel . Except the black steel round bar supply , we can also do some processing for it ,then can get it easy to be use as machinery accessories and automotive accessories. Grade : 55Cr3 Number: 1.7176 Classification: Alloy special steel Standard: EN 10089: 2002 Hot rolled steels for quenched and tempered springs. Technical delivery conditions Equivalent grades: No information Chemical composition % of steel 55Cr3 (1.7176): EN 10089-2002 C Si Mn P S Cr - 0.52 - 0.59 max 0.4 0.7 - 1 max 0.025 max 0.025 0.7 - 1 Cu+10Sn < 0.6 New opportunities for buyers! Post free buying requirement of steel 55Cr3 (1.7176) Mechanical properties of steel 55Cr3 (1.7176) Brinell hardness (HB): (+S) 280 Brinell hardness (HB): (+A) 248 Brinell hardness (HB): (+AC) 230