mso-font-kerning:0.0000pt;" >;sus440a mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440amso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440a屬高鉻馬氏體不銹鋼,比420有較高的淬火硬度,在淬火回火狀態下具有高強度和硬度,并有不銹耐蝕性能。mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440a對應牌號: 1、---gb-t標準:數字牌號:s41070、新牌號:68cr17、舊牌號:7cr17,2、美標:astma標準:s44002,sae標準:一,uns標準:440a,3、日標jis標準:sus440a,4、德標din標準:1.4109,5、歐標en標準:x70crn 015。mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440a化學成分: ⑴碳c: 0.60~0.75,⑵硅si:≤1.00,⑶錳mn:≤1.00,⑷磷p:≤0.040,⑸硫s:≤0.030,⑹鉻cr:16.00~18.00,⑺鎳ni:充許加***0.60,⑻鉬mo:充許加***0.75,⑼氮n:—,⑽銅cu:—,⑾其它元素:—。mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440a物理性能:密度密度(20℃)mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;/kg/dm3:7.78,熔點/℃:1371~1508 ,比熱容(0~100℃)/kg/(kg.k):0.16,熱導率/w/(m.k)mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;100℃-:21.2,⑸熱導率/w/(m.k)mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;500℃-:mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;-,線脹系數mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;/(10-6/k)mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;0~100℃:10.2,線脹系數/(10-6/k)mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;0~600℃:mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;11.7,電阻率20℃mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;/ω.mm2/m):0.6,縱向彈性模量mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;20℃/gpa:200,⑩磁性:有。mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440a力學性能: ⑴交貨狀態:棒材固溶處理,板材固溶酸洗,⑵抗拉強度rm/mpa:590,⑶延伸強度rp0.2/mpa:245,⑷伸長率a/%:15,⑸斷面收縮率z/%:一。mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440a熱處理:硬度hbw≤:退火255,硬度hrb≤:淬火回火54hrc,加熱溫度:800~920,加熱方式:緩冷。mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >;sus440a應用領域:一般用于制作要求不銹性或耐稀氧化性酸、有機酸和鹽類腐蝕的刀具、量具、軸類、閥門、鉤件等耐蝕的部件。mso-font-kerning:0.0000pt;" >;
mso-font-kerning:0.0000pt;" >; mso-font-kerning:0.0000pt;" >;