1020碳素結(jié)構(gòu)鋼
●特性及適用范圍:
強(qiáng)度比15號(hào)鋼稍高,很少淬火,無回火脆性。冷變形塑性高、一般供彎曲、壓延、彎邊和錘拱等加工,電弧焊和接觸焊的焊接性能好,氣焊時(shí)厚度小,外形要求嚴(yán)格或形狀復(fù)雜的制件上易發(fā)生裂紋。切削加工性冷拔或正火狀態(tài)較退火狀態(tài)好、一般用于制造受力不大而韌性要求高的?,
●化學(xué)成份:
碳 C :0.18~0.23
硅 Si:0.15~0.35
錳 Mn:0.30~0.60
硫 S :≤0.050
磷 P :≤0.040
鉻 Cr:≤0.25
鎳 Ni:≤0.25
銅 Cu:≤0.25
本公司供應(yīng)各國(guó)碳素結(jié)構(gòu)鋼:國(guó)產(chǎn):Q195,Q215,Q355,Q235,Q275,08F,10F,15F,08#,10#,45#,20#,15#,25#,30#,35#,40#,50#,55#,60#,70#,75#,80#,85#,15Mn,20Mn,25Mn,30Mn,35Mn,40Mn,45Mn,50Mn,60Mn,65Mn,70Mn,
美國(guó):1008,1010,1015,1020,1025,1030,1035,1040,1045,1049,1050,1055,1060,1064,1065,1069,1070,1074,1075,1080,1084,1085,1016,1019,1022,1025,1026,1033,1037,1039,1046,1053,1051,1062,1061,1566,1572
德國(guó):C10,C15,C22,C25,C30,C35,C40,C45,C50,C55,C60,C67,C70,C75,CK80,14Mn4,15Mn3,19Mn5,20Mn5,21Mn4,26Mn5,30Mn4,31Mn4,30Mn5,35Mn4,35Mn4,40Mn4,46Mn5,50Mn5,52Mn5,65Mn4
日本:SPH1,SPH2,SPH3,S9CK,S10C,S15C,S20C,S25C,S30C,
S35C,S40C,S45C,S50C,S55C,S58C