PHYSICAL PROPERTIES OF SGCI INSERTS TO DRAWING NO. RT-381 ALT.9
|
Sl. No. |
Heat No. |
STB or PTB |
Original
Length (I) mm |
Dia. ‘D’ &
Original X-Section ‘A’ |
Length After
Breakage (L) mm |
Elongation
(L1-L) mm |
Load at
Breakage Kgf Newton |
%
Elongation |
UTS N/mm2 |
Micro
structure |
Hardness BHN
No. |
Macro Testing |
Remarks |
|
|
|
|
|
|
D mm |
A mm2 |
|
|
|
|
|
|
|
|
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
|
1 |
E-002 |
STB |
70.0 |
14.0 |
154.0 |
77.0 |
7.0 |
8980 |
10.0 |
58.31 |
OK |
212 |
No Harmful defect found after
sectioning |
OK |
|
2 |
E-002 |
PTB |
40.0 |
8.0 |
50.28 |
44.0 |
4.0 |
2700 |
10.0 |
53.69 |
** |
197 |
OK |
|
|
3 |
E-002 |
PTB |
40.0 |
8.0 |
50.28 |
43.8 |
3.8 |
2800 |
9.5 |
55.68 |
** |
197 |
OK |
|
|
4 |
E-002 |
PTB |
40.0 |
8.0 |
50.28 |
44.0 |
4.0 |
2780 |
10.0 |
55.79 |
** |
201 |
OK |
|
|
5 |
E-002 |
PTB |
40.0 |
8.0 |
50.28 |
44.2 |
4.2 |
2840 |
10.5 |
56.48 |
** |
207 |
OK |
|
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