HASTELLOYC4He hui ia i haku ʻia me Nickel, chromium, a me molybdenum. Ua manaʻo nui ʻia ʻo ia ka hui like ʻole no ka hakakā ʻana i ka pala. Hōʻike kēia hui i ke kūʻē ʻana i ka hoʻokumu ʻia ʻana o nā precipitates palena palaoa i ka wā e kau ʻia ai i ka wela wili, e kūpono ai no nā noi hana kemika like ʻole i kona kūlana wili ʻia. Eia kekahi, hōʻike ʻo Alloy C4 i ke kūʻē koʻikoʻi i ka pitting, stress-corrosion cracking, a me nā lewa oxidizing a hiki i 1900°F. Loaʻa iā ia ke kūʻē koʻikoʻi i nā ʻano kemika like ʻole.
NĀ PALAPALA NOI:
1. ʻOihana pepa: Nā mea hoʻoheheʻe a me nā mea kanu bleach.
2. Nā wahi kinoea ʻawaʻawa: Nā ʻāpana i hōʻike ʻia i ke kinoea ʻawaʻawa.
3. Nā hale hana desulfurization flue-gas: Nā mea hana i hoʻohana ʻia i nā hale hana desulfurization flue-gas.
4. Nā wahi waikawa sulfuric: Nā evaporators, nā mea hoʻololi wela, nā kānana, a me nā mea hui i hoʻohana ʻia i nā wahi waikawa sulfuric.
5. Nā mea hana waikawa sulfuric: Nā lako i hoʻohana ʻia i nā mea hana waikawa sulfuric.
6. Kaʻina hana chloride organik: Nā mea hana i hoʻohana ʻia i ke kaʻina hana chloride organik.
7. Nā kaʻina hana hoʻoulu halide a waikawa paha: Nā lako hana i hoʻohana ʻia i nā kaʻina hana e hoʻohana ana i nā mea hoʻoulu halide a waikawa paha.
| Papa | C276 | C22 | C4 | B3 | N | ||
| Kemika Hoʻonohonoho ʻana (%) | C | ≤0.01 | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.01 | 0.04-0.08 |
| Mn | ≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 | |
| Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 | |
| P | ≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | – | ≤0.015 | |
| S | ≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | – | ≤0.02 | |
| Si | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 | |
| Ni | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | ≥65 | hoʻomaha | |
| Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 | |
| Ti+Cu | – | – | ≤0.7 | – | ≤0.4 | ≤0.35 | |
| ʻAl+Ti | – | – | – | – | ≤0.5 | ≤0.5 | |
| Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 | |
| Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 | |
| B | – | – | – | – | – | ≤0.01 | |
| W | 3-4.5 | 2.5-3.5 | – | – | ≤3 | ≤0.5 | |
| V | ≤0.35 | ≤0.35 | – | 0.2-0.4 | – | ≤0.5 | |
150 0000 2421