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Welding_Procedure_Specification.pdf

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WELDING_PROCEDURE_SPECIFICATION
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Welding Procedure Specification WPS is a document that had been qualified by the methods in accordance with related standard, it provides the required variables of the welding procedure to ensure repeatability during production welding.Welding Procedure Specification It a specification of welding procedure which contained welding methods /type, preparation, welding consumables and material, preheating (if necessary), method control of welding and its parameter and sequence, and post weld heat treatment (if relevant), and necessary equipment to be used Chinese name of WPS: 焊 接 工 艺 规 程/ 指 导 书; 是 一 个 经 过 鉴 定 的 文 件 。 提 供 焊 接 生 产 程 序 所 要 求 的 变 量 以 保 证 生 产 过 程 中 的 重 复 使 用, 内 容 包 括 : 焊 接 方 法 、 焊 前 准 备 加 工 、 装 配 、 焊 接 材 料 、 焊 接 设 备 、 焊 接 顺 序 、 焊 接 操 作 、 焊 接 工 艺 参 数 以 及 焊 后 处 理 等 。 是 根 据 成 熟 的 焊 接 工 艺 以 及 焊 接 工 艺 评 定 报 告 ( 书 面 的 ) 指 定 指 导 焊 接 生 产 的 工 艺 规 定 ! For easier understand, that WPS is a approved and qualified document providing detail welding required variables.Welding Procedure Specification --Way to make it No Action need Need WPS No WPS available already Create a pWPS Qualify the pWPS according to the requirements There are few methods/ways to qualify the pWPS, e,g by a pervious experience, by using a standard procedure; by making a testing. Welding Procedure Qualification Record WPS prepare WPS release for production No Yes NoWelding Procedure Specification --Way to make it What Work result Who Development of the procedure pWPS Manufacturer Qualification by any method WPQR including the range of validity based on the relevant standard of qualification Manufacturer and, if applicable, examiner/examining body Finalization of the procedure WPS based on this WPQR Manufacturer Release for production Copy of WPS or work instruction Manufacturer Remark: Standards for the way to make a WPS: 1, General standard- ISO 15607; 2, ISO15609 Specification and qualification of welding procedures for metallic materials, part 1; 3, EN15614, EN ISO 14555, EN ISO 15620 for qualification base on testing qualification methodWelding Procedure Specification --WPS Forms and Samples Schwei?anweisung (WPS) Ort.: SIEMENS SGP VT Standort Graz Prüfer oder Prüfstelle:Franz KOGLER - EWE Schwei?verfahren der Herstellers:135-MAGM Art der Vorbereitung und Reinigung:fettfrei Beleg-Nr.: 135-hy9-01 Spezifikation des Grundwerkstoffs: WPAR No.: V-135/W01/201 S 355 J2G1WC+N / S355 J2G1WC+N Hersteller: SIEMENS SGP VT Standort Graz Schwei?proze?: Metall-Aktivgasschwei?enNahtart: 9HY /(a3) T-Sto?Werkstückdicke (mm): Einzelheiten der Fugenvorbereitung Au?endurchmesser (mm): (Zeichnung)*: Schwei?position: PB acc. ISO 6947 Gestaltung der Verbindung Schwei?folge t 2 t 1 Teil 1 Teil 2 c w w 1 = 45? - 45 c = 2 mmTeil 1 Teil 2 2 1 9 HY 3Einzelheiten für das Schwei?en: Schwei?- raupe Proze ? Durchmesser des Zusatzwerkstoff es Stromst?r ke [A] Spannung [V] Stroma rt/Polu ng Draht- vorschub Vorschubge- schwindigkei t* W?rmeein - bringung* 1 135 1,0 255-265 29-30 =+ 14 m/min 2 135 1,0 255-265 29-30 =+ 14 m/min 3 135 1,0 255-270 30-31 =+ 13,5 m/min Zusatzwerkstoff - Einteilung und Markenname: Weitere Informationen *): EN 440-G 42 4 MGO; B?hler NiCu 1-IG z.B. Pendeln (maximale Raupenbreite): Sondervorschriften für Trocknung: Pendeln: Amplitude, Frequenz, Verweilzeit: Schutzgas / Schwei?pulver: - Schutzgas:EN 439-M2.1; 82% Ar + 18% CO2 - Wurzelschutz: Einzelheiten für das Pulsschwei?en: Welding Qualification --EN 287-1 welding certificate ?According to SDR (supplier documentation requirement) requirements, the welder should be certificated in accordance with EN287-1. ?EN297 is a standard for approval testing of welders, fusion welding part 1 for steel. EN287 Welding certificateEN287-1 Welding Certificate --Way to make it ? Hire a welder who has such a valid certificate. ? Certificate a welder by approval testing: ? Examiner or examining body; ?Testing pieces; ?Specify welding conditions-WPS; ?Examining; ?Testing pieces testing (VT, X-ray, Bend, Fracture..); ? Judgment according to acceptance criteria; ? certification. Remarks: 1, welders who apply such a testing also are required to take “job knowledge testing”. 2, each testing approves one process and its approval ranges, a new approval testing have to carried out if any out of the approval rangeEN287-1 Welding Certificate --abbreviation BW Butt welding nb No backing FW Fillet welding Welding process P Plate 111 Metal arc welding with electrode T Pipe 131 Metal arc inert gas welding (MIG) nm No filler metal 135 Metal arc active gas welding (MAG) wm With filler metal 136 Flux-cored wire Metal arc active gas welding BS Both side welding SS Single side welding 137 Flux-cored wire Metal arc inert gas welding mb With backing Abbreviation and welding process code (partly)EN287-1 Welding Certificate --Sample certificates
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