DMC:V2500-00-70-03-00-02A-010A-D|Issue No:002|Issue Date:2019-08-01

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 70-03-00-300-503 Special Handling Of Titanium Parts

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 MANUFACTURERS MATERIAL SAFETY DATA SHEETS FOR CONSUMABLE MATERIALS SAFETY INFORMATION (SUCH AS, HAZARDOUS INGREDIENTS; PHYSICAL/CHEMICAL CHARACTERISTICS; FIRE, EXPLOSION, REACTIVITY, AND HEALTH HAZARD DATA; PRECAUTIONS FOR SAFE HANDLING; AND USE AND CONTROL MEASURES) AND ALSO TO TAKE LOCAL REGULATIONS INTO CONSIDERATION.

CAUTION

IF CADMIUM TOUCHES STRESSED TITANIUM, IT CAN CAUSE CRACK DEFECTS IN THE TITANIUM AT TEMPERATURES BELOW THE MELTING POINT OF CADMIUM, 609 DEG F (321 DEG C).

USE A LOT OF CARE WITH ELECTRICAL EQUIPMENT THAT IS IN THE AREA OF TITANIUM PARTS. AN ELECTRICAL SOURCE THAT TOUCHES A TITANIUM PART AND TRANSMIT A CURRENT CAN CAUSE AN ARC BURN, WHICH CAN RESULT IN DETERIORATION OF MATERIAL PROPERTIES AND CAUSE CRACKS.

Procedure

1. A titanium part can have bad effects when it touches cadmium, bismuth, lead, tin, zinc, gold or silver. Tools and fixtures made from or which have a layer of these metals must not be used on a titanium part unless it is specified to remove all remaining tool or fixture metal from the part immediately after the work with the tool or fixture is completed.
2. It is necessary to prevent contamination of parts with perspiration or salts. The use of gloves is not necessary unless specified in the cleaning procedure.
3. After the part is cleaned and before heat treatment of a temperature more than 450 deg F (232 deg C) clean gloves must be used for the protection of the part when you touch, hold, and move the part.
4. If there is cadmium on a titanium part, it is necessary to remove the cadmium by specified repair instructions.
5. Refer to TASK 70-10-00-100-501 for the quality requirements for the water that you use for part cleaning and flushing/rinsing operations.

Requirements After Job Completion

Follow-On Conditions

NONE