Rockstar 400 vs ABREX 400 difference in composition & properties.
Carbon: ABREX 400 ≤0.21% against Rockstar 400 ≤0.16%.
Key differences between Rockstar 400 and ABREX 400
- Carbon: ABREX 400 ≤0.21% against Rockstar 400 ≤0.16%.
Rockstar 400 vs ABREX 400 chemical composition (weight %)
| Element | Rockstar 400 | ABREX 400 |
|---|---|---|
| C | ≤0.16 | ≤0.21 |
| Si | ≤0.7 | ≤1.2 |
| Mn | ≤1.6 | ≤2 |
| P | ≤0.025 | ≤0.025 |
| S | ≤0.01 | ≤0.01 |
| Cr | ≤0.5 | ≤1.2 |
| Ni | ≤0.25 | ≤1 |
| Mo | ≤0.25 | ≤0.6 |
| B | ≤0.004 | ≤0.005 |
Mechanical properties, equivalents and uses
| Property | Rockstar 400 | ABREX 400 |
|---|---|---|
| Family | Abrasion-resistant steel plate | Abrasion-resistant steel plate |
| Tensile strength, MPa | ≥1250 | – |
| Yield strength, MPa | ≥1000 | – |
| Elongation, % | ≥12 | – |
| Hardness | 360–430 BHN | 360–440 HBW |
| Density, g/cm³ | 7.85 | 7.85 |
| EN | Hardox 400 (SSAB, nearest) | ABREX 400 (Nippon Steel) |
| JIS | ABREX 400 (nearest) | – |
| IS (India) | AM/NS India Rockstar 400 · IS 18809 ISAR 400 (nearest) · JSPL Rockhard 400 (nearest) | IS 18809 ISAR 400 (nearest) · AM/NS Rockstar 400 |
| AISI / ASTM | AR400 (nearest) | – |
| Typical uses | Mostly used for tipper bodies, buckets, chutes, liners, cement and mining wear parts | Mostly used for buckets, liners, chutes, crusher and mining wear parts |
Mechanical values: Rockstar 400 plate 6–80 mm, quenched and tempered (AM/NS) / ABREX 400 plate. Limits vary by standard and product form; confirm against your purchase specification.
Frequently asked questions
What is the difference between Rockstar 400 and ABREX 400?
Carbon: ABREX 400 ≤0.21% against Rockstar 400 ≤0.16%.
Where are Rockstar 400 and ABREX 400 used?
Rockstar 400: Mostly used for tipper bodies, buckets, chutes, liners, cement and mining wear parts. ABREX 400: Mostly used for buckets, liners, chutes, crusher and mining wear parts.
Can ABREX 400 replace Rockstar 400?
Only if the purchase specification allows it. Check the governing standard, chemistry limits and mechanical properties against the order, and confirm on the mill test certificate.
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Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.
Reference basis: Compiled by Steel Impex India. Check each table’s source, product form and delivery condition before use. Sources, calculation methods and corrections.