TASK 70-31-02-310-501-011 Argonarc Welding Repairs - The Procedure To Weld Nickel Base Alloy C263

DMC:V2500-00-70-31-02-10A-627A-D|Issue No:001.00|Issue Date:2013-03-20

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

All

Common Information

TASK 70-31-02-310-501-011 Argonarc Welding Repairs - The Procedure To Weld Nickel Base Alloy C263

General

C263 is a nickel chromium alloy of the precipitation hardening type. It is easily welded in the solution treated, or aged conditions.

Refer to TASK 70-31-02-310-501-001 for other related TASKS.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

WARNING

IT IS THE RESPONSIBILITY OF THE OPERATOR TO OBTAIN AND OBSERVE THE MANUFACTURER'S MATERIAL SAFETY DATA SHEETS FOR CONSUMABLE MATERIALS. THESE CONTAIN INFORMATION SUCH AS, HAZARDOUS INGREDIENTS, PHYSICAL/CHEMICAL CHARACTERISTICS, FIRE, EXPLOSION, REACTIVITY, HEALTH HAZARD DATA, PRECAUTIONS FOR SAFE HANDLING, USE AND CONTROL MEASURES AND ALSO TO TAKE LOCAL REGULATIONS INTO CONSIDERATION.

Procedure

    1. SUBTASK 70-31-02-310-022 Preparation of the Surface

      1. If possible cut the defects out completely. The recommended procedures are:

      1. Tungsten carbide cutters.

      2. Mounted grinding points.

      3. NOTE

        Grind carefully to prevent damage.

        Thin elastic wheels.

    2. Make sure the defect is completely removed with an applicable NDT procedure.

    3. Remove all oxides and unwanted materials from the area adjacent to the repair. Use a rotary file, abrasive mop or abrasive cloth.

    2. SUBTASK 70-31-02-310-023 The Procedure to Weld C263

    1. Automatic current slope-out is necessary to prevent crater cracks.

    2. For the weld procedure refer to the applicable Repair and the SPM TASK 70-31-02-310-501-001.

    3. SUBTASK 70-31-02-370-009 The Heat Treatment of C263

    1. Pre weld heat treatment is not necessary.

    2. Heat treatment instructions are given in the applicable Repair. Also refer to the SPM TASK 70-31-02-310-501-001 and SPM TASK 70-31-02-310-501-004.

    4. SUBTASK 70-31-02-001- Mechanical Repairs

    1. C263 material 18.S.W.G. (1.2 mm) or thinner, which do not require a filler wire MUST NOT be welded at a speed greater than 5 in. per minute (125 mm per minute). Specific conditions relative to clamping, chill gaps and backing groove size need to be considered. These conditions should be discussed with IAE.

Requirements After Job Completion

Follow-On Conditions

NONE