Preheat calculation for S460NL 50 mm

EN 1011-2

Gửi bạn cách tính toán nhiệt độ gia nhiệt sơ bộ cho mối hàn 50 mm.

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WPS-L10

Closed to out chamber: hàn ngoài buồng kín. Ap dụng hàn GTAW/Plasma. Đa số hàn ngoài buồng kín, ngoại trừ Zirco và Ti tan là phải hàn bên trong buồng kín. ASME IX: QW-410.11 A change from closed chamber to out-of chamber conventional torch welding in P-No. 51 through P-No. 53 metals, but not vice versa. Áp dụng số P-51 đến 53. Các vật tư khác không yêu cầu.

11 steps to prepare a hydrotest package

🧪 Hydrostatic Test Package Preparation Guide Inspection Point in ITP – QA/QC Controlled Document 🔧 General Requirements Hydrostatic testing is an essential inspection activity listed in the Inspection and Test Plan (ITP) . Before performing a hydrotest, the following conditions must be fulfilled : The hydrotest procedure has been approved by the client and/or consultant. All welding activities within the test boundary must be completed and inspected by all parties. Non-Destructive Testing (NDT) must be performed according to the project specification, with acceptable results . All relevant documentation must be collected for inclusion in the test package . 📦 11 Steps to Prepare a Hydrotest Package 1. Cover Page Include project name, client, contractor, system name, line class, and test type. A sample form can be customized to suit your project format. 2. Content Sheet Provides a summary index of documents included. Pre-fill standard informatio...

Skid fabrication - inspection documents for QC

Following the topic, we would like to share you the quality document for small skid. Inspection check list Procedures and inspection should prepare and included in your hand, NDE procedure, NDE map, welding map and NDE plan also prepared. You should make a content of procedures for control, type of inspection report, below is sample list of procedure. Document control Too many drawings/ document per each skid, so it should carefully update with latest revision, Line list should be updated and control the piping spool number, all spools to be identified in the test package later. Shop drawing, document submission to be documented revision number, date of submission, date of return, and approval code, etc. Inspection report To control and monitor all inspection reports, the assigned coding number should generate before starting issue. Welding summary For structural steel For piping Material receiving inspection MRIR for piping, bolting, gasket, fitting MRIR for consum...

WPS-L13

Single/multi-passes / side : Số lớp hàn mỗi phía. Hàn một lớp - single layer Hàn nhiều lớp - multi-layers Hàn nhiều lớp, cần phải làm sạch giữa các lớp hàn [ L4 ], đường hàn tính mỗi phía. Nếu hai phía yêu cầu hàn, nhưng chỉ có một dường hàn thì chỉ tính là hàn một lớp.

WPS-L8

Oscillation: dao động Biên độ, thời gian và tần suất. Thường sử dụng khi hàn tự động hoặc kiểm soát cơ khí.

Nguyễn Duy Biên

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