... short pitch industrial roller chains1,model:08A,10A,12A,16A,20A,24A,28A,32A,36A,40A,48A2,material: 40Mn3,best quality and competitive ... depthh2 minmm18Ultimate tensile strengthQ minKN31.1Weight Per meterQkg/m1.5The Chain technic treatment is as below:Shot peeningBluingNickel-platedQuenchingTemperingPhosphatingOilingGreasingZincingHeat treatmentCarburizingPayment terms ...