[Title]: Look for supplier of Hollow Steel Ball used to Roll Cargo in Civilian Aircrafts

Dear
Sir,

Sub: Hollow
Steel Ball.

We have a
Request for Hollow Stainless Steel Balls. 

Balls are used to
Roll Cargo in Civilian Aircrafts   -   Also
termed as Ball Transfer Units (BTU).

Weight of each
Ball:          21 Grams. 

Dia of the Ball:                  1“ (25.4
mm) 

Wall Thickness:                1.5  ± 0.10
mm 

Hardness:                         54 - 60° HRC

Min. Crush
Strength:        6,000 lbs 

Additional Data on
the Balls:

Material 440A
Stainless Steel    -

2 Semi Spheres are
formed using Cold Heading Technology (Forming)   -

Both the Spheres are
joined using Electron Beam Welding
Technique.

Thereafter,
Flashing is done supported with Heat Treatment - Finally, Grinding &
Lapping.

It is Part of an
Off-Set Program    -   Hence, Manufacturing has to be done in India only
?

we wonder if  any company that produce Hollow Steel Balls in China   -

There could be
options:

a)     Import Balls from
these Chinese Companies

b)    Production of Balls
in India with Technical Support from Chinese Companies
  -

For this we can pay
them Technical Fees supported with Royalty

Have attached a short
note on the Ball Specs!