ISO5832-1第一部分Wroughtstainlesssteel鍛造不銹鋼

1、ISO5832-1 第一部分 Wrought stainless steel 鍛造不 銹鋅 1、范圍 ScopeISO5832這部分對用鍛造不銹鋼制造的外科植入物指定了相對應的特定的測試方法。this part of iso5832 specifies the characteristics of,and corresponding test methods for,wrought stainless steel for use in the manufacture of surgical implants.提供最適宜的兩種類型的不銹鋼化學基礎(chǔ)成分（見表1）Provision is made

2、for two types of stainless steel based on chemical composition（see table 1）NOTE 1用使用本標準材料加工的最終產(chǎn)品的試樣的力學性能不必完全與本標準規(guī)定的指標 相同。NOTE 22、規(guī)范性引用文件normative references下列文件中的條款通過本標準的引用而成為本標準的條款。凡是注日提的引用文件，其隨后的所有的修改修訂版本均不適于本標準，但是，為了鼓勵根據(jù)本標準達成協(xié)議的各方的研究，凡是沒有注明日期的引用文件，其最新版本均適用于本標準。ISO 377 Steel and steel products-Loc

3、ation and preparation of samples and test pieces for mechanical testing.ISO 4043、化學成分chemical composition3.1 試驗中本 test samples用于分析的樣品應符合 ISO 377規(guī)定。The selection of samples for analysis shall be carried out in accordance with ISO 377.3.2 鑄造分析 Cast analysis剛的化學成分應符合表 1的規(guī)定。Cr含量和Mo含量按照下列公式計算所得（C值）應該不小于2

4、6。The cast analysis of the steel when determined in accordance with clause 6 shall comply with the chemical composition specified in table1.The molybdenum and chromium contents shall be such that the C value obtained from the formula given below is not less than 26.C=3.3WMo+Wcr其中：WMo鋁的含量，用質(zhì)量百分比表示；Wc

5、r銘的含量，用質(zhì)量百分比表示。表1一化學成分兒系質(zhì)量百分比碳0.03 三硅1.0三鎰2.0三磷0.025 三硫0.01 三氮0.1三銘17.0 19.0鋁2.25 3.50銀13.015.0銅0.50 三鐵余量4、微觀條件下的完全退火microstructure in the fully annealed condition4.1 晶粒度 grain size奧氏體的晶粒度按照第六條規(guī)定不得大于5級。the austenitic grain size,determined in accordance with clause6,shall not be coarser than grain si

6、ze No.5.4.2 微觀結(jié)構(gòu) microstructure根據(jù)條款6進行檢測時，此不銹鋼應不含6鐵素體、X相或者 藝相。the steel shall have a structure free from delta ferrite,chi or sigma phase,when examined in accordance with Clause 6.4.3 非金屬夾雜物含量inclusion content鋼鐵應該檢驗非金屬夾雜物的含量，在熱軋階段完成尺寸定型以后應該與第六條的規(guī)定相一致，不得超過表2的規(guī)定。the non-metallic inclusion content of t

7、he steel,determined at finished size after a hot-rolling process stage,and in accordance with Clause 6,shall not exceed the limits given in Table 2.注意：有必要符合真空或者電渣冶煉法清潔條件規(guī)定。Note: it can be necessary to use vacuum or electroslag melting to produce a steel complying with these cleanliness requirements.

8、表2夾雜物規(guī)定Table 2 inclusion content limitsType of inclusionInclusion content reference number夾雜物級別夾雜物類型Thin細系列Thick粗系列A1.51B1.51C1.51D1.515 力學性能 Mechanical properties5.1 試小¥ test pieces選擇的樣品和拉伸試件應該符合ISO 377的規(guī)定。the selection and preparation of samples and test pieces for tensile shall be in accorda

9、nce with ISO 377.5.2 拉伸試驗 Tensile test鋼在棒材、絲材、板材、帶材形式下的拉伸性能實驗應該與條款六相一致，必須分別符合表 3、5、6的規(guī)定。the tensile properties of the steel in the form of bars,wires,and sheet and strip,when tested in accordance with Clause 6,shall comply with the values specified in Tables 3,5 and 6 respectively.5.3 標記長度gauge leng

10、thSo指的是試樣的原始橫截面積單位mm。試樣的直徑d1或者橫截面S0，分別應符合，標記長度應該為5.65 x vS0 or 50 mm(見表4或表7)。So is defined as the original cross-sectional area in square millimetres. in accordance with test piece diameter,D1 or section profile,S0,respectively,the gauge length shall be either 5.65 x S0 or 50 mm(see table 4 and tabl

11、e 7).6 實驗方法Test methods用于確定ISO5832本部分的規(guī)定的測試方法應該符合表8所列的要求。the test methods to be used in determining compliance with the requirements of this part of ISO 5832 shall be those given in table 8.表3 -鋼棒的力學性能Condition 狀態(tài)Diameter or thickness 直徑或者厚度 d mmTensile strength 拉伸強度RmMPa0.2% proof stress of non-pro

12、portional elongarion0.2%的非比例伸長應力Rp0.2min MPaElongarion after fracture/Gauge length 折斷后的伸長率/標記長度Amin%退火的全部490三 Rm三 69019040冷加工三22860三 Rm三 110039012超硬三8三 1400表4 一標記長度和產(chǎn)品之間的對應Table 4 Correspondence between gauge length and productProductGauge length標記長度聲口 廣口口50 mm5.65XS0Round bar, wires圓鋼，鋼絲d > 5mmd

13、= 5mmSections,profiles 截回，輪廓面2So > 40mm-2So三 40mmTable 5 Mechanical properties of wires 表5 -鋼絲的力學性能狀態(tài)直徑d mm抗拉強度Rm MPa折斷后的伸長率/標記長度Amin %退火0.025三 d0.13三 1000300.13< d0.23三930300.23 < d0.38三890350.38 < d 三 0.5三860400.5 < d 三 0.65三82040d > 0.65三80040冷拔0.2三 d0.71600 三 Rm三 18500.7< d5

14、01500 三 Rm三 17501.0< d551400 三 Rm三 16501.5< d2.01350 三 Rm三 1600冷拉狀其下訂貨的鋼絲，可按照需方的更高強度等級供貨，力學性能指標有供需雙方協(xié)商確定。Table 6 Mechanical properties of strip and sheet表6 帶材和板材的力學性能Condition狀態(tài)Tensile strength 拉伸強度RmMPa0.2% proof stress of non-proportional elongarion0.2%的非比例伸長應力Rp0.2minMPaElongarion after fra

15、cture/Gauge length 折斷后的伸長率/標記長度Amin%退火的490 三 Rm三 69019040冷加工860 三 Rm三 110069010Table 7 Correspondence between gauge length and thickness of the product 表7 一標記長度和厚度和產(chǎn)品之間的對應ProductGauge length標記長度聲口 廣口口50 mm5.65 x VS0Round bar, wires圓鋼，鋼絲d > 1.5mmd= 1.5mmTable 8Test methods表8 一實驗方法Parameter參數(shù)Relevant clause or subclause啟美的條款和列表Test method實驗方法化學成分 碳硅 鎰硫 磷其它成分3ISO 437ISO 439ISO