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Nodular Cast Iron Roll
Nodular cast iron rolls can be divided into two kinds by their matrix: One is pearlitic nodular cast iron rolls, the other is acicular nodular iron rolls.
1. Chemical Composition (%) & Hardness of Body
|
Classification |
C | Si | Mn | P | S | Cr | Ni | Mo | (HSD) Hardness |
|
I SGP I |
2.90-3.60 | 1.40-2.20 | 0.40-1.00 | ≤0.10 | ≤0.03 | 0.10-0.60 | 1.50-2.00 | 0.20-0.80 | 45-55 |
|
II SGP II |
2.90-3.60 | 1.20-2.00 | 0.40-1.00 | ≤0.10 | ≤0.03 | 0.20-1.00 | 2.01-2.50 | 0.20-0.80 | 55-65 |
|
III SGP III |
2.90-3.60 | 1.00-2.00 | 0.40-1.00 | ≤0.10 | ≤0.03 | 0.20-1.20 | 2.51-3.00 | 0.20-0.80 | 62-72 |
|
I SGA I |
2.90-3.60 | 1.20-2.20 | 0.20-0.80 | ≤0.10 | ≤0.03 | 0.20-1.00 | 3.01-3.50 | 0.50-1.00 | 55-78 |
|
II SGA II |
2.90-3.60 | 1.00-2.00 | 0.20-0.80 | ≤0.10 | ≤0.03 | 0.30-1.50 | 3.51-4.50 | 0.50-1.00 | 60-80 |
2. Mechanical Property
|
Mechanical Properties |
SGP |
SGA |
| (HSD) Hardness of Neck |
35-55 | 32-45 |
|
(N/mm2) Tensile Strength of Core |
≥450 | ≥350 |
5. Equipment & Quality
6. package
7. Q&A
A) Who we are?
-We are manufacturer, founded in 1985.
B) Why choose us?
-1985~2015, that means we have advantages in good quality and technical experience.
C) What is the difference between trading company and us?
-Quick and stable delivery time; competitive price; certificate of ISO9001 and factory audited by BV; good after-sale service, etc.
D) Which port to deliver cargos?
-Usually, Tianjin port (Xingang port)
E) How about our production capacity?
-30,000 tons per year!
For more information & details, please visit our website: www.xlmillrolls.com