1、管形式結構鋼的冶金要求1.OBJECT AND FIELD OF APPLICATION 應用對象和領域This norme defines the metallurgical characteristics and inspection methods common to structural steels suppliedin the following forms :這個標準定義了以下列形式供應的等同于結構鋼的冶金特征和檢查方法： Hot rolled seamless tubes. 熱軋無縫鋼管 Cold rolled seamless tubes.冷軋無縫鋼管 Cold drawn

2、seamless tubes.冷拉無縫鋼管 Welded tubes. 焊接管 Cold drawn welded tubes. 冷拉焊接管It must include the following documents to which these products are also subjected :這些被指定的產品必須包含滿足文件要求B53 5020 “Structural steels in tube form Designation Symbols”. 管形式的結構鋼-定義-標志B53 5040 “Structural steels in tube form Technical a

3、nd administrative requirements”. 管形式的結構鋼-技術和行政要求B53 5046 “ Structural steels in tube form Dimensional requirements”. 管形式的結構鋼-公差要求B20 0250 - Materials subject to regulations Use restrictions within the PSA PEUGEOT CITROEN Group 法規指定的材料- PSA 標志集團內部制約使用的Any deviation from the requirements laid down in

4、this norme must be the subject of a written agreement between the supplier and the user. 任何一個與在這個標準中制定要求相偏差的內容必須在供應商和用戶之間的一個書面協議中指出。2.REFERENCE DOCUMENTS 參考文件 B53 1080 Structural steels Grades with improved machinability 結構鋼-改善機加工性能的等級B53 5020 Structural steels in tube form Designation Symbols 管形式的結

5、構鋼- 定義-標志 B53 5040 Structural steels in tube form Technical and administrative requirements管形式的結構鋼-技術和行政要求B53 5046 Structural steels in tube form Dimensional requirements 管形式的結構鋼-公差要求B20 0250 Materials subject to regulations Use restrictions within the PSA PEUGEOT CITROEN Group法規指定的材料- PSA 標志集團內部制約使

6、用的D351192 Carbon and alloy structural steels Decarburisation depth (physio-chemical methods) 碳和合金結構鋼- 脫碳層深度（物理-化學方法）NF A04-106 Steel industry products. Methods for determining the non-metallic inclusion content of welded steels 鋼鐵工業產品，確定包含含有焊接鋼的非金屬的方法NF EN ISO 6506 Metallic materials Brinell hardnes

7、s test 金屬材料-布氏硬度檢測NF EN ISO 6508 Metallic materials Rockwell hardness test金屬材料-洛氏硬度檢測NF EN ISO 6507 Metallic materials Vickers hardness test 金屬材料-維氏硬度檢測NF EN ISO 643 Steels. Microstructure determination of the visible grain size 鋼，確定可見晶粒尺寸的金相檢測NF EN 10002 Metallic materials. Tensile test 金屬材料-拉伸試驗NF

8、 EN 10233 Metallic materials. Tubes. Flattening test 金屬材料-鋼管- 矯平試驗NF EN 10234 Steel tubes. Flaring test 鋼管-擴孔試驗NF EN 10305-2 Steel tubes for precision applications Technical delivery conditions - Part 2 : Welded cold drawn tubes 精確應用的鋼管- 技術交付條件-第2部分：冷拉焊接管NF EN 10305-3 Steel tubes for precision appli

9、cations - Technical delivery conditions - Part 3 : Welded calibrated tubes 精確應用的鋼管-技術交付條件-第3部分：焊接校直管。 規定CE 2000/53 End-of-Life Vehicles (ELV) 汽車壽命終止 其他文件Not applicable 不適用 文件上的表達Not applicable. 不適用3.TERMINOLOGY AND DEFINITION 術語和定義A dictionary (glossary) of the main terms and their definitions used

10、within the Direction des Plates-formes, desTechniques et des Achats can be consulted in-house via the DPTA glossary.(Nectar 4.BASIC STEEL MAKING 鋼的基本煉制 一般的Unless there is a specific agreement when placing the order, the steel making process is left to the choice of the producer : it must however be

11、communicated to the user should he requests it.除非當發訂單時有一個特殊的協議，鋼的煉制過程才能夠給生產者留有選擇：然而當他要求時必須要聯系使用者4.2.TU TUBES FOR MACHINING (MECHANICAL PARTS) 用于機械加工的“TU”管（機械零件） 嚴格控制晶粒度Unless specifically agreed, killing with titanium is prohibited and the amount of titanium permitted shall be 0,010%. 除非特別同意，用鈦來控制是被

12、禁止的并且鈦的允許數量應該 0,010%The control of grain size by an element other than aluminum cannot be allowed without the agreement of the authorized departments of the Group. 沒有小組的授權部門同意依靠一種超量的元素來控制晶粒度是不被允許的。 改善機加工性能的鋼TU tubes can be ordered in steels with so called “improved” machinability; these types of ste

13、els are defined in the specific norme B53 1080. TU管能夠以所謂的改善機加工性能來訂購，這些類型的鋼都在特殊標準B53 1080 中定義。 基本鋼的參考特性These are defined in the normes specific to each grade (monographs). 這些被特殊定義在針對每個級別的標準中（專題論文）5.CHEMICAL COMPOSITION 化學成分The basic steel chemical composition is stated in the normes specific to each

14、grade. 基本的鋼的化學成分在針對每一級別的具體標準中陳述。The analysis is carried out according to methods defined in AFNOR normes or in the current test methods within the Group. 在小組內 按照AFNOR標準規定的方法或目前檢測的方法來進行分析。6. EQUIVALENCE BETWEEN GRADES ACCORDING TO PSA NORMES AND NORME NF EN 10305 : TS TUBES按照PSA標準和NF EN 10305 中的等級之間的

15、等同之處： TS管For welded, as-cast, normalised or drawn tubes, the following equivalence is permitted between grades according to PSA normes and according to norme NF EN 10305-2 and NF EN 10305-3.對于焊接，熔鑄，正常的或拉長管，下面的按照PSA的標準和NF EN 10305 -2和 NF EN 10305-3的等級之間的等同時允許的。7.MECHANICAL CHARACTERISTICS 機加工特性 拉伸試驗I

16、t is carried out according to norme NF EN 10002-1. 按照NF EN 10002-1 標準進行。 硬度試驗These are carried out according to normes NF EN ISO 6506, NF EN ISO 6508 and NF EN ISO 6507. 按照 NF EN ISO 6506，NF EN ISO6508和 NF EN ISO6507 執行。The VICKERS test is carried out either on the convex or concave surface or at th

17、e core of a section. 維氏測試在凸面或凹面表面或在部分的核心進行。ROCKWELL and BRINELL tests are only carried out on a concave surface. In the case of welded tubes, the test is carried out outside the weld area.布氏和洛氏測試僅能在凹面表面進行，由于這個原因，焊接管測試要在焊接區域外部進行。 擴孔試驗The test is carried out according to norme NF EN 10234, it is symbo

18、lised by % D corresponding to the minimum increase in the diameter after the test.測試根據標準 NF EN 10234進行, 典型的是對應于極小值的% D在測試以后在直徑上增加。The angle at the top of the truncated mandrel used is 90. 使用的被削的軸的上面的角度是90. 扭力試驗The test is carried out on request according to specific technical specifications.這個試驗按照技術

19、要求中的特殊要求進行.矯平試驗The test is carried out according to norme NF EN 10233. The test specimen consists of a tube section of length equal to 1,5 times the nominal internal diameter of the tube, this length being however limited to 50 mm. Unlessspecifically required, the test shall not be carried out on an extremity not detached from the tube itself.測試被執行根據norme NF EN 10233 。 測試標本包括長度的管部分合計對1,5 倍管的有名無實的內部直徑, 這長度然而對50 毫米被限制。 除