公开(公告)号：WO2011124851A3

公开(公告)日：2015-06-25

申请号：PCT/FR2011050781

申请日：2011-04-07

Applicant: ASCOMETAL SA ,  SOURMAIL THOMAS

Inventor： SOURMAIL THOMAS

IPC: C21D1/18 ,  C21D1/19 ,  C21D6/00 ,  C21D8/00 ,  C21D9/00 ,  C22C38/04 ,  C22C38/18

CPC classification number: C21D1/19 ,  C21D1/18 ,  C21D6/002 ,  C21D6/005 ,  C21D8/005 ,  C21D9/00 ,  C21D2211/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/44 ,  C22C38/46 ,  C22C38/58

Abstract: Mechanical part made of steel having high properties and process for manufacturing same. Mechanical part made of steel having high properties, characterized in that its composition, in percentages by weight, is: 0.05% ≤ C ≤ 0.25%; 1.2% ≤ Mn ≤ 2%; 1% ≤ Cr ≤ 2.5%; (830 - 270 C% - 90 Mn% - 70 Cr%) ≤ 560; traces ≤ Si ≤ 1.5%; traces ≤ Ni ≤ 1%; traces ≤ Mo ≤ 0.5%; traces ≤ Cu ≤ 1%; traces ≤ V ≤ 0.3%; traces ≤ Al ≤ 0.1%; traces ≤ B ≤ 0.005%; traces ≤ Ti ≤ 0.03% traces ≤ Nb ≤ 0.06%; traces ≤ S ≤ 0.1%; traces ≤ Ca ≤ 0.006%; traces ≤ Te ≤ 0.03%; traces ≤ Se ≤ 0.05%; traces ≤ Bi ≤ 0.05%; traces ≤ Pb ≤ 0.1%; the balance being iron and impurities resulting from the smelting, and in that its structure is bainitic and contains at most 20% in total of martensite and/or proeutectoid fernite and/or perlite. Process for manufacturing a mechanical part having this composition.

Abstract translation: 具有高性能的钢制机械部件及其制造方法。 机械部件由具有高性能的钢制成，其特征在于，其重量百分比的组成为：0.05％≤C≤0.25％; 1.2％≤Mn≤2％; 1％≤Cr≤2.5％; （830〜270C％〜90Mn％〜70Cr％）≤6060; 痕量≤Si≤1.5％; 痕量≤Ni≤1％; 痕量≤Mo≤0.5％ 痕量≤Cu≤1％; 痕量≤V≤0.3％; 痕量≤Al≤0.1％; 痕量≤B≤0.005％; 痕量≤Ti≤0.03％痕量≤Nb≤0.06％; 痕量≤S≤0.1％; 痕量≤Ca≤0.006％; 痕量≤Te≤0.03％; 痕量≤Se≤0.05％ 痕量≤Bi≤0.05％; 痕量≤Pb≤0.1％; 余量为铁和冶炼产生的杂质，其结构为贝氏体，总共含有马氏体和/或共析过的蕨类和/或珍珠岩的20％以下。 制造具有该组成的机械部件的方法。

公开(公告)号：FR2958660A1

公开(公告)日：2011-10-14

申请号：FR1001433

申请日：2010-04-07

Applicant: ASCOMETAL SA

Inventor： SOURMAIL THOMAS

IPC: C22C38/58 ,  C21D1/20 ,  C22C38/60

Abstract: Acier pour pièces mécaniques à hautes caractéristiques, caractérisé en ce que sa composition, en pourcentages pondéraux, est : - 0,05% ≤ C ≤ 0,25% ; -1,2%≤ Mn≤ 2%; - 1% ≤ Cr≤ 2,5% ; - (830 - 270 C% - 90 Mn% - 70 Cr%) ≤ 560 ; - traces ≤ Si ≤ 1,5% ; - traces ≤ Ni ≤ 1% ; - traces 5 Mo ≤ 0,5% ; - traces ≤ Cu ≤ 1 % ; - traces ≤ V ≤ 0,3% ; - traces ≤ Al ≤ 0,1% ; - traces ≤ B≤ 0,005% ; - traces ≤ Ti ≤ 0,03% - traces ≤ Nb ≤ 0,06% ; - traces ≤ S ≤ 0,1% ; - traces ≤ Ca ≤ 0,006% ; - traces ≤ Te ≤ 0,03% ; - traces ≤ Se ≤ 0,05% ; - traces ≤ Bi ≤ 0,05% ; - traces ≤ Pb ≤ 0,1% ; le reste étant du fer et des impuretés résultant de l'élaboration. Procédé de fabrication d'une pièce mécanique ayant cette composition.

公开(公告)号：FR2958660B1

公开(公告)日：2013-07-19

申请号：FR1001433

申请日：2010-04-07

Applicant: ASCOMETAL SA

Inventor： SOURMAIL THOMAS

IPC: C22C38/58 ,  C21D1/20 ,  C22C38/60