Acier carbon

NUANCE D’ACIERN° DE MATIÈRENORMESNORME AFNORC%SI%MN%S%P%AUTRES
NON-TREMPABLES
ROBERT 021,1015RFe 600,010 – 0,012traces0,06 – 0,200,0100,010
ROBERT 21,0335/1,0338StW14/St4/StW24ES0,080,0050,300,0200,010
ROBERT 31,07189S Mn Pb 23S 250 Pb0,08 – 0,14traces0.9 – 1.300.27 – 0.330.11Pb 0,20 – 0,35
TREMPABLES
ROBERT 121,1221CK 60XC 650,600,200,300,0120,015
ROBERT 141,1231CK 67XC 700,65 – 0,730,15 – 0,350,40 – 0,700,0350,035
ROBERT 151,1248CK 75XC 750,70 – 0,800,15 – 0,300,40 – 0,700,0130,016
ROBERT 16 PbC 70 W 1 + Pb0,70 – 0,800,15 – 0,300,300,0800,060Pb 0,2
ROBERT 201,1274CK 101XC 1001,000,300,350,0300,030
ROBERT 251,1663C 125 W 2Y1 1201,270,290,340,0080,001Cr 0,11
ROBERT 271,2210115 Cr V 31,150,190,360,0120,006Cr 0,71 – V 0,11