ISO9001 Railway supplier Fish Plate

1?Dimensions of ISO9001 Railway supplier Fish Plate : according to AREMA 2010
2. Material: Chinese steel grade 50#
1? 6 hole 36 ?  punoded round  oval alternating .
2.?4 hole 24 ?  punoded round  oval alternating .
3.?Fish plate can be punched or drilled holes .
4.?Size:  insulation 132RE 
Chemical composition (%)
 C                Mn                S                P                 Sn
 0.35-0.60           =1.2           =0.035        =0.035       0.5-0.8

ISO9001 Railway supplier Fish Plate