Item Requirements
○
Article Name: Aluminium Plates for Propellant Tank Dome Manufacturing
○ Type and Quantity
No. Alloy Temper
AMS Spec.
(Form Designation)
size(mm)
(T x W x L)
Q'ty
1
Al2219
O
AMS QQA 250/30
12.7 x 2,800 x 2,800
18
2
Al2050
T84
ABS5255.A
110 x 820 x 2,120
1
※
AMS : Aerospace Material Specification
○ Delivery Date : Within August 31, 2016
○ Requirement
1. Confirmation of supplier’s technical assistance in the field of belows ;
- Welding characteristics
- Material properties at room and cryogenic temperature
- Formability at room and elevated temperature
- Microstructural characteristics according to heat treatment conditions
○ Delivery Item
1. Aluminium Plates described in the above table
2. Material Inspection Sheet (Chemical composition and strength evaluation)