Materials: 60Si2Cr, 60Si2Mn, 55SiMn, 38Si7

Product properties: Hardness HRC 42-47,Fatigue life 3-5 million cycles 

Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating

Standard: GB/T 1222, DIN 17221 

MOQ: 5000 Piece/Pieces 

Supply ability: 1000 Ton/Tons per Month 

Delivery: within 20 working days

Rail Fastener Shoulder

the KSALEX rail shoulder is pre-inserted in the concrete tie. There are M.C.I. Shoulder manufactured from malleable iron and S.G.C.I. Shoulder manufactured from malleable iron and S.G.C.I. Shoulder from spheroid graphite iron. We offer two types of iron shoulders. One is Single Stem Iron Shoulder used in pre-stressed concrete ties and the other is Twin Stem Iron Shoulder used in Bi-Block or Twin Block concrete ties.

Iron KSALEX rail shoulder material technical parameter

Material	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)
QT400-15(GGG40)	400	250	15
QT450-10(GGG45)	450	310	10
QT500-7 (GGG50)	500	320	7

Material Chemical Composition%

Material	C	Si	Mn	P	S
QT400-15	3.6-.36	3.0-3.2	0.5	0.07	0.02
Qt450-10	3.4-3.9	3.7-3.0	0.5	0.07	0.03
QT500-7	3.4-3.8	2.5-2.9	0.6	0.08	0.025