|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
1.2 - 1.4 |
1 - 2.5 |
0.5 - 1 |
max 1 |
max 0.035 |
max 0.03 |
27 - 30 |
max 0.5 |
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
0.3 - 0.5 |
1 - 2.5 |
max 1.5 |
3 - 6 |
max 0.04 |
max 0.03 |
25 - 28 |
max 0.5 |
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
0.3 - 0.5 |
1 - 2.5 |
max 2 |
19 - 22 |
max 0.04 |
max 0.03 |
24 - 27 |
max 0.5 |
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
0.3 - 0.5 |
1 - 2.5 |
max 2 |
11 - 14 |
max 0.04 |
max 0.03 |
24 - 27 |
max 0.5 |
| Mechanical properties(ASTM A297 Grade HH)1.4837 | UTS: Min 75 Ksi/515 Mpa |
| YS: Min 35 Ksi/ 240 Mpa | |
| Elongation: in 2 in: Min 10 % | |
| Hardness: Min 200 BHN (3 places on speciment)" | |
| Microstructure/Metallography | Predominantly Austenitic structure containing dispersed carbides |
| SoundnessTest/X-ray or UT | RT per ASTM E446 Level II |
| UT per ASTM A609 Level II | |
| NDT/LPI or MPI | MPI as per ASTM E709/E125 LEVEL II |
| LPI as per ASTM E165 Level II" | |
| Final Visual Inspection | ASTM A802 Level II |
| Package | Iron case or Wooden case. |
Different kinds of OEM grate bars
Well finished grate bars
Mature Process And Strict Quality Control Is Why will you choose us For more inquiries or technical questions, please contact XTJ Service Team. We will provide the most reasonable technical solution and the best quotation according to your product.