標準編號:	GB/T 4732.2-2024
中文名稱:	壓力容器分析設計 第2部分：材料
英文名稱:	Pressure vessels design by analysis - Part 2：Materials
行業分類:	GB    國家標準
發布機構:	國家市場監督管理總局, 國家標準化管理委員會
發布日期:	2024-11-07
實施日期:	2024-7-24
標準狀態:	valid
翻譯語言:	英文
文件格式:	PDF
中文字符數:	65000 字
翻譯價格(元):	4550.0
交付時間:	付款后 1~5 個工作日

GB/T 4732.2-2024 Pressure vessels design by analysis - Part 2: Materials 1 Scope This document specifies the allowable designations and standards of steel for pressure components of steel pressure vessels designed using design-by-analysis approach, the additional technical requirements for steel, the scope of use of steel (temperature and pressure), the allowable stress of steel, and the basic requirements for welding materials. This document is applicable to pressure vessels at design temperature of -269℃~800℃ and design pressure less than 100MPa. This document is not applicable to the scope of inapplicability specified in GB/T 4732.1. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 228.2 Metallic materials - Tensile testing - Part 2: Method of test at elevated temperature GB/T 229 Metallic materials - Charpy pendulum impact test method GB/T 699 Quality carbon structure steels GB/T 713.2 Steel plate, sheet and strip for pressure equipments - Part 2: Non-alloy and alloy steel with specified temperature properties GB/T 713.3 Steel plate, sheet and strip for pressure equipments - Part 3: Low alloy steel with specified low temperature properties GB/T 713.4 Steel plate, sheet and strip for pressure equipments - Part 4: Nickel-alloy steels with specified low temperature properties GB/T 713.5 Steel plate, sheet and strip for pressure equipments - Part 5: High manganese steel with specified low temperature properties GB/T 713.6 Steel plate, sheet and strip for pressure equipments - Part 6: Quenched and tempered high strength steel GB/T 713.7 Steel plate, sheet and strip for pressure equipments - Part 7: Stainless steel and heat resisting steel GB/T 1220 Stainless steel bars GB/T 1221 Heat-resistant steel bars GB/T 3077 Alloy structure steels GB/T 3965 Determination of diffusible hydrogen in deposited metal GB/T 4226 Cold finished stainless steel bar GB/T 4334 Corrosion of metals and alloys - Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels GB/T 4732.1 Pressure vessels design by analysis - Part 1: General requirements GB/T 6394 Determination of estimating the average grain size of metal GB/T 6479 Seamless steel tubes for high-pressure chemical fertilizer equipments GB/T 6803 Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections GB/T 9948 Seamless steel tubes for petroleum cracking GB/T 13305 Micrographic method for determining area content of the α-phases in stainless steels GB/T 20878 Stainless and heat-resisting steels - Designation and chemical composition GB/T 21433 Detecting susceptibility to intergranular corrosion in stainless steel pressure vessels GB/T 31935 Corrosion of metals and alloys - Corrosion test for intergranular corrosion susceptibility of low-Cr ferritic stainless steels GB/T 32571 Corrosion of metals and alloys - Corrosion test for intergranular corrosion susceptibility of high-Cr ferritic stainless steels GB/T 34542.2 Storage and transportation systems for gaseous hydrogen - Part 2: Test methods for evaluating metallic material compatibility in hydrogen atmosphere GB/T 39255 Gases and gas mixtures for welding and cutting processes JB/T 4756 Nickel and nickel alloy pressure vessels NB/T 47002.1 Clad plate for pressure vessel - Part 1: Stainless steel-steel clad plate NB/T 47002.2 Clad plate for pressure vessel - Part 2: Nickel-steel clad plate NB/T 47002.3 Clad plate for pressure vessel - Part 3: Titanium-steel clad plate NB/T 47002.4 Clad plate for pressure vessel - Part 4: Copper-steel clad plate NB/T 47008 Carbon and alloy steel forgings for pressure equipment NB/T 47009 Alloy steel forgings for low temperature pressure equipment NB/T 47010 Stainless and heat-resisting steel forgings for pressure equipment NB/T 47013.3 Nondestructive testing of pressure equipments - Part 3: Ultrasonic testing NB/T 47013.4 Nondestructive testing of pressure equipments - Part 4: Magnetic particle testing NB/T 47013.5 Nondestructive testing of pressure equipments - Part 5: Penetrant testing NB/T 47014 Welding procedure qualification for pressure equipments NB/T 47018.1 Technical permission of welding materials for pressure equipment - Part 1: General rule NB/T 47018.2 Technical permission of welding materials for pressure equipment - Section 2: Electrodes for steel NB/T 47018.3 Technical permission of welding materials for pressure equipment - Section 3: Steel electrodes and rods for gas shielded arc welding NB/T 47018.4 Specification of welding materials for pressure equipment - Section 4: Electrodes and fluxes for submerged arc welding NB/T 47018.5 Technical permission of welding materials for pressure equipment - Section 5: Stainless steel strip electrodes and fluxes for overlay welding NB/T 47019.1 Purchase technical specification for boiler & heat exchanger tubes - Part 1: General requirements NB/T 47019.4 Purchase technical specification for boiler & heat exchanger tubes - Part 4: Low alloy steel for low-temperature service TSG 21 Supervision regulation on safety technology for stationary pressure vessel 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 4732.1 apply. 4 General requirements 4.1 The steel and welding materials for steel plates, tubes, forgings and studs (including bolts) for pressure components of pressure vessels shall comply with TSG 21. 4.2 The steel used for the pressure components of pressure vessels shall be of good weldability. 4.3 The austenitic stainless steel not listed in this document but listed in GB/T 20878 and GB/T 713.7 can be adopted, but their phosphorus, sulfur content and strength indicators shall not be inferior to those specified in the corresponding steel standards listed in this document for designations of steel with similar chemical composition. 4.4 Except for the steel that meets the requirements of 4.3, the technical requirements for other steels not listed in this document shall comply with the provisions of Annex A. 4.5 The steel for pressure components of pressure vessels shall be accompanied by the steel quality certificate of the steel manufacturer. The quality certificate shall have complete and clear contents, printed with traceable information identification, and stamped with the quality inspection seal of the material manufacturer. Traceable information includes the name of the steel manufacturer, steel standard No., designation, specification, furnace batch No., delivery status, heat treatment process parameters (when necessary), issuance date of quality certificate, etc. Traceable information identification shall be two-dimensional codes or barcodes. 4.6 The vessel manufacturer shall perform acceptance inspection on the steel according to the quality certificate. If there is no original steel quality certificate of the steel manufacturer, the official seal of the material operation organization and the signature (seal) of the person in charge of the handling shall be affixed to the copy of the original steel quality certificate. 4.7 The selection of steel for pressure components of pressure vessels shall be based on the service conditions (e.g., design temperature, design pressure, medium characteristics and operating characteristics, etc.), the chemical composition, microstructure, properties (mechanical properties, process properties, chemical properties and physical properties) of the steel, as well as the manufacturing process and economic rationality of the vessel. 4.8 The steel for pressure components of pressure vessels shall be smelted in oxygen converter or electric furnace, or by electroslag remelting process. Low-alloy steel plates and forgings, austenitic-ferritic stainless steel plates with the lower limit of standard tensile strength greater than 540MPa, and low-temperature steel plates, forgings and tubes with the service temperature below -20℃ shall also be refined outside the furnace and vacuum treated. 4.9 The upper limit of service temperature of steel for pressure components of pressure vessels shall comply with the following requirements. a) The upper limit of service temperature of steel is the maximum temperature corresponding to the allowable stress of each designation of steel in Tables B.1 to B.8 in Annex B and the allowable stress on the right side of the thick line in Tables B.1 to B.8 is determined by the average value of the 105h high-temperature durable strength limit of the steel. If the steel needs be operated above the upper limit of service temperature for a short time due to technological requirements, it shall be specified in the design documents. b) As for the non-alloy steel and carbon manganese steel, when they are used at a temperature higher than 425℃ for a long time, attention shall be paid to the graphitization tendency of the carbide in the steel. c) When the service temperature of austenitic stainless steel is higher than 525℃, the carbon content in the steel shall not be less than 0.04%. 4.10 The lower limit of service temperature of steel for pressure components of pressure vessels shall comply with the following requirements. a) The lower limit of service temperature of steel shall meet the requirements of Clauses 5 to 8. b) The lower limit of service temperature of austenitic stainless steel is -269℃. When the service temperature is higher than or equal to -196℃, the impact test may be exempted. If the service temperature is lower than -196℃, the low-temperature impact test at the design temperature of pressure vessels shall be carried out. The average impact absorption energy () of three standard specimens is not less than 54J and the average lateral expansion () is not less than 0.53mm. Austenitic-ferritic stainless steel may be subjected to the impact test with the lowest impact test temperature of -40℃. The average impact absorption energy () of three standard specimens is not less than 47J and the average lateral expansion () is not less than 0.53mm. Other requirements for impact test shall be as specified in 4.11b) and 4.11c). c) The austenitic stainless steel for liquid hydrogen pressure vessels shall undergo impact test at -253℃, and the austenitic stainless steel for liquid helium pressure vessels shall undergo impact test at -269℃. The impact properties shall be as specified in 4.10b). 4.11 The impact test of non-alloy and alloy steel shall meet the following requirements. a) The impact properties of non-alloy and alloy steel (steel plates, tubes and forgings) shall meet the requirements of Table 1. Note 1: When the lower limit of standard tensile strength of steel decreases with the increase of thickness, the lower limit of standard tensile strength in Table 1 is the lower limit of standard tensile strength of steel at the minimum thickness.

Contents 1 Scope 2 Normative references 3 Terms and definitions 4 General requirements 5 Steel plates 6 Steel tubes 7 Steel forgings 8 Steel bars for studs (including bolts) and nuts 9 Welding materials Annex A (Normative) Supplementary provisions for steel Annex B (Normative) Allowable stress of steel Annex C (Informative) High-temperature yield strength, average of high-temperature endurance strength limit, elastic modulus and average linear expansion coefficient of steel Annex D (Informative) Approximate comparison table of high alloy steel designations Bibliography

GB/T 4732.2-2024 壓力容器分析設計 第2部分：材料 1范圍 本文件規定了采用分析設計方法設計的鋼制壓力容器受壓元件用鋼材允許使用的牌號及其標準、鋼材的附加技術要求、鋼材的使用范圍（溫度和壓力）、鋼材的許用應力、焊接材料的基本要求。 本文件適用于設計溫度-269℃~800℃、設計壓力小于100 MPa的壓力容器。 本文件不適用的范圍為GB/T 4732.1規定的不適用范圍。 2規范性引用文件 下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中，注日期的引用文件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。 GB/T 228.1 金屬材料拉伸試驗 第 1部分:室溫試驗方法 GB/T 228.2 金屬材料拉伸試驗 第2部分:高溫試驗方法 GB/T 229 金屬材料 夏比擺錘沖擊試驗方法 GB/T 699 優質碳素結構鋼 GB/T 713.2 承壓設備用鋼板 和鋼帶 第2 部分:規定溫度性能的非合金鋼和合金鋼 GB/T 713.3 承壓設備用鋼板和鋼帶 第3部分:規定低溫性能的低合金鋼 GB/T 713.4 承壓設備用鋼板和鋼帶第4部分:規定低溫性能的鎳合金鋼 GB/T 713.5 承壓設備用鋼板和鋼帶 第 5部分:規定低溫性能的高錳鋼 GB/T 713.6 承壓設備用鋼板和鋼帶 第 6部分:調質高強度鋼 GB/T 713.7 承壓設備用鋼板和鋼帶 第 7部分:不銹鋼和耐熱鋼 GB/T 1220 不銹鋼棒 GB/T 1221 耐熱鋼棒 GB/T 3077 合金結構鋼 GB/T 3965 熔敷金屬中擴 散氫測定方法 GB/T 4226 不銹鋼冷加工鋼棒 GB/T 4334 金屬和合金的腐蝕奧氏體及鐵素體-奧氏體（雙相）不銹鋼晶間腐蝕試驗方法 GB/T 4732.1 壓力容器分析設計 第1部分:通用要求 GB/T 6394 金屬 平均晶粒度測定方法 GB/T 6479 高壓化肥設備用無縫鋼管 GB/T 6803 鐵素體鋼的無塑性轉變溫度落錘試驗方法 GB/T 7735-2016 無縫和焊接（埋弧焊除外）鋼管缺欠的自動渦流檢測 GB/T 9948 石油裂化用無縫鋼管 GB/T13305 不銹鋼中α-相面積含量金相測定法 GB/T 20878 不銹鋼和耐熱鋼牌號及化學成分 GB/T 21433 不銹鋼壓力容器晶間腐蝕敏感性檢驗 GB/T 31935 金屬和合金的腐蝕 低鉻鐵素體不銹鋼晶間腐蝕試驗方法 GB/T 32571 金屬和合金的腐蝕 高鉻鐵素體不銹鋼晶間腐蝕試驗方法 GB/T 34542.2 氫氣儲存輸送系統 第2部分:金屬材料與氫環境相容性試驗方法 GB/T 39255 焊接與切割用保護氣體 JB/T 4756 鎳及鎳合金制壓力容器 NB/T 47002.1 壓力容器用復合板 第1部分:不銹鋼鋼復合板 NB/T 47002.2 壓力容器用復合板 第2 部分:鎳-鋼復合板 NB/T 47002.3 壓力容器用復合板 第3 部分:鈦鋼復合板 NB/T 47002.4 壓力容器用復合板 第4 部分:銅鋼復合板 NB/T 47008 承壓設備用碳素鋼和合金鋼鍛件 NB/T 47009 低溫承壓設備用合 金鋼鍛件 NB/T 47010 承壓設備用不銹鋼和耐熱鋼鍛件 NB/T 47013.3 承壓設備無損檢測 第 3部分:超聲檢測 NB/T 47013.4 承壓設備無損檢測 第4 部分:磁粉檢測 NB/T 47013.5 承壓設備無損檢測 第5 部分:滲透檢測 NB/T 47014 承壓設備焊接工藝評定 NB/T 47018.1 承壓設備用焊接材料訂貨技術條件第1部分:采購通則 NB/T 47018.2 承壓設備用焊接材料訂貨技術條件第 2部分:鋼焊條 NB/T 47018.3 承壓設備 用焊接材料訂貨技術條件第 3部分:氣體保護電弧焊絲和填充絲 NB/T 47018.4 承壓設備 用焊接材料訂貨技術條件第 4部分:埋弧焊鋼焊絲和焊劑 NB/T47018.5 承壓設備用焊接材料訂貨技術條件第5部分:堆焊用不銹鋼焊帶和焊劑 NB/T 47019.1 鍋爐 、熱交換器用管訂貨技術條件第1部分:通則 NB/T 47019.4 鍋爐 、熱交換器用管訂貨技術條件第 4部分:低溫用低合金鋼 TSG 21 固定式壓力 容器安全技術監察規程 3術語和定義 GB/T 4732.1界定的術語和定義適用于本文件。 4總體要求 4.1壓力容器受壓元件用鋼板、鋼管、鋼鍛件、螺柱（含螺栓）用鋼材和焊接材料應符合TSG 21的規定。 4.2壓力容器受壓元件用鋼材應是焊接性良好的鋼材。 4.3 采用未列入本文件但已列人GB/T 20878和GB/T 713.7中的奧氏體型不銹鋼鋼材，其磷、硫含量和強度指標應不低于本文件所列相應鋼材標準中化學成分相近牌號鋼材的規定。 4.4除符合 4.3規定的鋼材外，采用其他未列人本文件的鋼材，其技術要求應符合附錄A的規定。 4.5壓力容器受壓元件用鋼材應附有鋼材制造單位的鋼材質量證明書，質量證明書的內容應齊全、清晰，并且印刷可追溯的信息化標識，加蓋材料制造單位質量檢驗章?？勺匪莸男畔ㄤ摬闹圃靻挝幻Q、鋼材標準號、牌號、規格、爐批號、交貨狀態、熱處理工藝參數（需要時）、質量證明書簽發日期等內容?？勺匪莸男畔⒒瘶擞洃獮槎S碼或條碼等。 4.6容器制造單位應按質量證明書對鋼材進行驗收。如無鋼材制造單位的鋼材質量證明書原件時，應在鋼材質量證明書原件的復印件上加蓋材料經營單位公章和經辦負責人簽字（章）。 4.7選擇壓力容器受壓元件用鋼材時應依據容器的使用條件（如設計溫度、設計壓力、介質特性和操作特點等）、鋼材的化學成分、微觀組織、性能（力學性能、工藝性能、化學性能和物理性能）、容器的制造工藝以及經濟合理性來確定。 4.8壓力 容器受壓元件用鋼應采用氧氣轉爐、電爐或電渣重熔法冶煉。對標準抗拉強度下限值大于540 MPa的低合金鋼鋼板和低合金鋼鍛件、奧氏體鐵素體型不銹鋼鋼板，以及使用溫度低于-20℃的低溫鋼鋼板、低溫鋼鍛件和低溫鋼鋼管，還應采用爐外精煉并進行真空處理。 4.9壓力容器受壓元件用鋼材使用溫度上限符合下列規定。 a）鋼材使用溫度 上限為附錄B中表B.1~表B.8的各牌號鋼材許用應力所對應的最高溫度，表B.1~表B.8中粗線右側的許用應力由鋼材的105h高溫持久強度極限平均值所確定。當因工藝過程要求，鋼材需短時在高于使用溫度上限操作時，應由設計文件規定。 b）非合金鋼和碳錳鋼鋼材在高于425°C溫度下長期使用時，應注意鋼中碳化物相的石墨化傾向。 c）奧氏體型不銹鋼 鋼材的使用溫度高于525℃時，鋼中含碳量應不小于0.04%。 4.10壓力容器受壓元件用鋼材使用溫度下限符合下列規定。 a）鋼材使用溫度 下限應符合第5章~第8章的規定。 b）奧氏體型不銹鋼鋼材使用溫度下限為-269℃。使用溫度高于或等于-196℃時，可免做沖擊試驗。使用溫度低于-196℃時，應進行壓力容器設計溫度下的低溫沖擊試驗，3個標準試樣沖擊吸收能量平均值（）不小于54J，且側膨脹值平均值（）不小于0.53 mm。奧氏體-鐵素體型不銹鋼鋼材可進行最低沖擊試驗溫度為-40°C的沖擊試驗，3個標準試樣沖擊吸收能量平均值（）不小于47 J，且側膨脹值平均值（）不小于0.53mm。沖擊試驗其他要求應符合4.11b）、4.11c）的規定。 c）液氫壓力容器用奧氏體型不銹鋼鋼材應進行-253℃的沖擊試驗，液氦壓力容器用奧氏體型不銹鋼鋼材應進行-269℃的沖擊試驗，沖擊性能應符合4.10b）的規定。 4.11非合金鋼和合金鋼鋼材沖擊試驗符合下列規定。 a）非合金鋼和合金鋼鋼材（鋼板、鋼管、鋼鍛件）的沖擊性能應符合表1的規定。 注1:當鋼材的標準抗拉強度下限值隨厚度增大而降低時，表1中的標準抗拉強度下限值指的是鋼材在最小厚度時的標準抗拉強度下限值。 表1 非合金鋼和合金鋼鋼材的沖擊性能 鋼材標準抗拉強度下限值（Rm）MPa 3個標準試樣沖擊吸收能量平均值（）J 3個試樣側膨脹值平均值（） mm ≤450 ≥24 - > 450~510 ≥31 - >510~ 570 ≥34 - > 570~ 630 ≥38 - > 630~ 690 ≥47 ≥0.53 > 690 ≥54 ≥0.64 b）夏比V型缺口沖擊試樣的取樣部位和試樣方向應符合相應鋼材標準的規定，應選擇厚度為10mm的標準試樣。沖擊試驗每組取3個標準試樣，允許1個標準試樣的沖擊吸收能量數值低于表1的規定值，但不應低于表1規定值的70%。當沖擊試驗結果不符合上述規定時，應從鋼材的同樣部位和同樣方向上再取3個標準試樣進行復驗，前后兩組6個標準試樣的沖擊吸收能量平均值應不低于表1的規定值，允許有2個標準試樣低于規定值，但低于規定值70%的試樣只準許有1個。 c）當鋼材因厚度小于11mm而無法制備標準試樣時應依次制備厚度為7.5mm、5mm的小尺寸試樣，其沖擊吸收能量平均值應分別為標準試樣沖擊吸收能量平均值的75%、50%。當鋼材可制備標準試樣而制備厚度為7.5mm或5mm的小尺寸試樣時，其沖擊試驗溫度應分別降低5℃或10℃（沖擊試驗溫度低于-100℃的鋼材除外），沖擊吸收能量平均值應分別為標準試樣沖擊吸收能量平均值的75%或50%。 d）鋼材標準中，鋼材的沖擊吸收能量平均值和側膨脹值平均值高于表1規定的還應符合相應鋼材標準的規定。 e）夏比沖擊試樣側膨脹值的測定應符合GB/T229的規定。 注2:沖擊試樣的側膨脹值與沖擊試樣尺寸無關。 f）沖擊試驗溫度為-40℃~-100℃的低合金鋼鋼板和鍛件可按GB/T229的規定測定轉變溫度Tt（如:指定吸收能量值47 J確定的轉變溫度Tt47、指定吸收能量上平臺的百分數50%確定的轉變溫度Tt50%US、指定側膨脹值0.53 mm確定的轉變溫度Tt0.53或指定剪切斷面率50%確定的轉變溫度Tt50%SFA）。 g）鋼板沖擊試驗應符合第5章和GB/T 713.2、GB/T 713.3、GB/T 713.4、GB/T 713.5、GB/T 713.6、GB/T 713.7的規定。對于Q245R、Q345R和13MnNiMoR鋼板，如需進行-20 °C 沖擊試驗，應在設計文件中注明。如需提高鋼板的沖擊吸收能量和側膨脹值，應在設計文件中規定。 h）鋼管沖擊試驗應符合第 6章的規定。 i） 鋼鍛件沖擊試驗應符合第7章和NB/T 47008、NB/T 47009的規定。對于20、16Mn、20MnMo和20MnMoNb鋼鍛件，如需進行-20℃沖擊試驗，應在設計文件中注明。如需提高鋼鍛件的沖擊吸收能量和側膨脹值，應在設計文件中規定。 j）非合金鋼、低合金鋼和耐熱鋼鋼棒的沖擊試驗應符合第8章的規定。 k） 焊接材料的沖擊試驗應符合第9章的規定。 4.12 當鋼材按GB/T 4334進行晶間腐蝕試驗、按GB/T 15970.1~GB/T 15970.9或GB/T 4157進行應力腐蝕試驗、按GB/T17897進行點腐蝕試驗時，應在設計文件中規定試驗方法和合格指標。 4.13 對于設計溫度低于95℃且滿足下列條件之一的儲存氫氣壓力容器，其鋼材應按GB/T 34542.2的規定進行氫環境相容性試驗，試驗內容和合格指標應在設計文件中規定: a）氫分壓大于 41 MPa的非焊接壓力容器； b）氫分壓大于17MPa或氫分壓大于5.2MPa且鋼材室溫標準抗拉強度下限值大于620MPa的焊接壓力容器。 4.14奧氏體-鐵素體型不銹鋼鋼板、鋼管和鍛件應按GB/T13305的規定進行相比例測定，金相組織應為奧氏體-鐵素體，奧氏體含量應在40% ~60%。 4.15當對鋼材有特殊技術要求時（如要求特殊冶煉方法、嚴格的化學成分、較高的沖擊吸收能量指標或側膨脹值、附加保證高溫屈服強度和抗拉強度、提高無損檢測合格等級、增加力學性能檢驗率等），應在設計文件中規定。 4.16主 要受壓元件使用的鋼材中，未列入本文件，也未列人壓力容器（承壓設備）專用鋼板國家標準、專用鍛件行業標準、專用復合鋼板行業標準的鋼材，應按照TSG 21的規定進行技術評審后，可用于制造壓力容器。 注:壓力容器（承壓設備）專用鋼板國家標準是指GB/T 713.1、GB/T 713.2、GB/T 713.3、GB/T 713.4、GB/T 713.5、GB/T 713.6和GB/T 713.7；專用鍛件行業標準是指NB/T 47008、NB/T 47009和NB/T 47010；專用復合鋼板行業標準是指NB/T 47002.1、NB/T 47002.2、NB/T 47002.3和NB/T 47002.4. 4.17主要受壓元件使用的鋼材，未列人本文件，但已列入壓力容器（承壓設備）專用鋼板國家標準、鍛件行業標準、專用復合鋼板行業標準的，鋼材研制單位應進行鋼材的研制，提供必要的材料數據（包括化學成分、拉伸性能、疲勞試驗數據、斷裂韌性以及其他滿足該材料使用范圍要求的相應性能參數）。鋼材應經壓力容器用材料（鋼板、鍛件）型式試驗機構的試驗驗證，證明其各項性能指標滿足本文件要求的，可用于壓力容器制造。