Spheroidal Graphite Iron Rolls
- Payment Type:
- L/C, T/T, D/P
- Incoterm:
- FOB, CFR, CIF, FCA, CPT
- Min. Order:
- 2 Piece/Pieces
- Min. Order:
- 2 Piece/Pieces
- Delivery Time:
- 75 Days
- Transportation:
- Ocean, Land, Air
- Port:
- Xingang Port, China, Shanghai Port
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Contact Now| Place of Origin: | China |
|---|---|
| Productivity: | 20000mt/year |
| Supply Ability: | 1000mt/month |
| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF,FCA,CPT |
| Certificate: | ISO 9001:2008 |
| HS Code: | 84553000 |
| Transportation: | Ocean,Land,Air |
| Port: | Xingang Port,China,Shanghai Port |
Nodular Cast Iron Rolls
Also called as Spheroidal Graphite Iron Rolls (SG Iron) is considered as one of the most versatile roll materials now a days. It is produced by a small proportion of magnesium added to the melt as nickel-magnesium or alternative alloy, or as pure magnesium.
Microstructure: Pearlite
Application: Roughing Rolls for bar and wire rod mills.
Chemical composition and surface hardness
Barrel Hardness
HSD
C
Si
Mn
P
S
Cr
Ni
Mo
Pearlite II
2.90-3.60
0.80-2.50
0.40-1.20
≤0.20
≤0.03
0.20-1.20
2.01-2.50
0.20-0.80
55-70
Pearlite III
2.90-3.60
1.00-2.00
0.40-1.00
≤0.15
≤0.03
0.20-1.20
2.51-3.00
0.20-0.80
63-73
Neck Hardness(HSD): 35-55
Core Tensile strength: 350N/nm2 min
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