

Roll produced by forging steel ingot. Forging can forge the metallurgical defects such as porosity and shrinkage cavity in the ingot, break the coarse casting structure, and obtain high-quality rolls with dense structure and uniform composition. Forged steel rolls have better strength and toughness, surface hardness uniformity and fatigue resistance than similar cast rolls. (Table 1) in order to meet the specific requirements of different rolling mills and rolling conditions, different alloy elements can be added to the roll steel to improve the roll performance. A certain amount of carbon and alloy elements have the following different effects on the structure and properties of forged steel rolls: carbon can increase the hardness and strength of rolls, reduce plasticity and improve wear resistance; Manganese can increase hardenability and strength; Silicon deoxidizes and improves strength; Chromium can increase hardenability, strength and wear resistance; Molybdenum can increase hardenability, strength and thermal hardness; Vanadium can control the grain size of steel and increase the strength. See Table 2 for the main chemical composition of common forged steel hot rolls and backup rolls.
| HS Code | 8455.30 |
| Brand | EximNext |
| Material | Chromium Alloy Forged Steel (Cr3-Cr5 grade) |
| Grade/Type | Cr3 (low Cr) and Cr5 (medium Cr) forged steel rolls |
| Purity/Composition | Carbon 0.60-1.00%, Chromium 0.30-5.00%, Manganese 0.40-1.00%, Silicon 0.20-0.60%, residual elements per standard |
| Size/Dimensions | Roll body diameter 200-1200 mm, roll length 500-3500 mm, weight 500-15,000 kg per roll (custom sizes available) |
| Standard | GB/T 1503, ASTM A427, DIN 7527, or buyer's specified standard |
| Application | Hot strip mills, cold strip mills, blooming mills, section mills, and roughing stands in steel and non-ferrous rolling lines |
| Packaging | Rust-preventive coating, timber crating or steel band strapping, suitable for ocean freight handling |
| Origin | China / Germany / Japan / Ukraine (major production regions) |
Cr3-Cr5 forged rolls are high-performance industrial rolls manufactured by forging steel ingots, achieving superior metallurgical quality through elimination of internal porosity and refinement of coarse casting structures. These chromium-alloyed steel rolls are essential components in hot and cold rolling mills across steel, aluminum, and non-ferrous metal industries. Widely traded internationally as heavy industrial forgings, they are sourced from major producers in China, Germany, and Japan, with pricing influenced by chromium alloy content, roll dimensions, and required hardness grades.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Cr3-Cr5 forged rolls is available for wholesale import from Tianjin Hiking Trading Co., Ltd, a verified Supplier based in China. The current FOB price is 3000. Minimum order quantity starts at 1 Bags. HS Code: 8455.30 — used for customs classification and import duty calculation. Key product specifications include 8455.30, EximNext, Chromium Alloy Forged Steel (Cr3-Cr5 grade).
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