Steelmaking Pig Iron. GOST 805-95 (DSTU 3133-95).
| Cast Iron Grade | Si | Mn,groups | P, at most | S, at most | ||||||||||
| 1 | 2 | 3 | 4 | Class | Categories | |||||||||
| From | To | To | To | To | To | А | Б | В | 1 | 2 | 3 | 4 | 5 | |
| P1 | 0,5 | 0,9 | 0,5 | 1,0 | 1,5 | - | 0,10 | 0,20 | 0,30 | 0,01 | 0,02 | 0,03 | 0,04 | 0,05 |
| P2 | - | 0,5 | ||||||||||||
| PL1 | 0,9 | 1,2 | 0,3 | 0,5 | 0,9 | 0,9 | 0,08 | 0,12 | ||||||
| PL2 | 0,5 | 0,9 | 1,5 | |||||||||||
It is made in pigs without pinches for a weight of 18 kg at most.
The amount of scrap (lumps for a weight of 2 kg at most) shall not exceed 4 percent.
The surface shall be free from slag residue.
Normalized mass fraction of carbon ranges from 4 to 4.5 percent.
Foundry Pig Iron. GOST 4832-95 (DSTU 3132-95).
| Cast Iron Grade | Si | Mn, groups | P, at most | S at most | |||||||||||||
| 1 | 2 | 3 | 4 | Class | Г | Д | Categories | ||||||||||
| From | To | To | To | To | To | А | Б | В | From | To | From | To | 1 | 2 | 3 | 4 | |
| L1 | 3,2 | 3,6 | 0,3 | 0,5 | 0,9 | 1,5 | 0,08 | 0,12 | 0,30 | 0,3 | 0,70 | 0,70 | 1,20 | 0,02 | 0,03 | 0,04 | - |
| L2 | 2,8 | 3,2 | - | ||||||||||||||
| L3 | 2,4 | 2,8 | - | ||||||||||||||
| L4 | 2,0 | 2,4 | 0,05 | ||||||||||||||
| L5 | 1,6 | 2,0 | |||||||||||||||
| L6 | 1,2 | 1,6 | |||||||||||||||
It is made in pigs without pinches for a weight of 18 kg at most.
The amount of scrap (lumps for a weight of 2 kg at most) shall not exceed 2 percent.
The surface shall be free from slag residue.
Normalized mass fraction of carbon ranges from 4 to 4.5 percent.
Nodular Cast Iron GOST 805-80
A distinctive property of nodular cast iron lies in the low content of Manganese, Silicon, Phosphorus, and Sulfur.
| Grade | C | Si | Mn | P | S | Ti | Cr | Cu | V | Al, Ni, Co, Sb, B, Te, As, Pb, Sn, Mo, Se, Zn, Bi |
| at most | ||||||||||
| PVC N | 3,50-4,50 | 0,5 | 0,05 | 0,05 | 0,015 | 0,03 | 0,04 | 0,02 | 0,03 | In the aggregate 0,30 |
Manufacturing of cast iron products
The cast iron was and remains one of the most popular materials. Steelmaking pig iron is used for steelmaking
Foundry cast iron is widely used in the machine building for manufacturing of cast products of different purpose.
Cast iron: price, order, and sale
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