30cnd8 steel equivalent
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:Annealed , Quenched + Tempered
Surface Condition:Black, Grinded, Peeled, Rough turned, Polished
Products Description
30cnd8 Equivalent Grade: DIN1.6580, 30CrNiMo8
30cnd8 chemical composition % : EN 10083-3-2006
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
| 30cnd8/1.6580 | 0.26-0.34 | 0.50-0.80 | ≤ 0.025 | ≤ 0.035 | ≤ 0.04 | 1.8-2.2 | 1.8-2.2 | 0.3-0.5 |
30cnd8 +qt mechanical properties
| Diameter mm | ≤ 16 | 16-40 | 40-100 | 100-160 | 160-250 |
| Yield Strength Mpa | ≥900 | ≥800 | ≥700 | ≥600 | ≥550 |
| Tensile Strength Mpa | 1100-1300 | 1000-1200 | 900-1100 | 800-950 | 750-900 |
| Elongation, % | ≥10 | ≥11 | ≥12 | ≥13 | ≥14 |
| Reduction of area ,% | ≥45 | ≥50 | ≥55 | ≥60 | ≥60 |
| impact,J | ≥35 | ≥40 | ≥45 | ≥45 | ≥45 |
| Hardness,HB | 331-380 | 298-359 | 271-331 | 240-286 | 225-271 |
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:Annealed , Quenched + Tempered
Surface Condition:Black, Grinded, Peeled, Rough turned, Polished
30cnd8 Material Mechanical Properties:(T=20°C if not differently stated)
Fracture elongation A5 (%): 16 min (Diameter:16mm max)
Notch impact energy ISO-V [J]: 40 min (Diameter:16mm max)
Hardness (HB): 289-347 (Diameter:16mm max)
30cnd8 Steel Round Bar +QT Size Range
- Diameter : 20-850mm ;
- Length 500mm - 8000mm Single Random, Double Random & Required Length.
Heat treatment of 30cnd8 Steel Round Bar +QT
- Softening annealing at a temperature of 640 - 680℃
- Normalizing annealing at a temperature of 840 - 860℃
- Hardening with cooling in oil at 815 - 845℃
- Tempering with cooling in air at 550 - 650℃
Features:
- Competitive price
- Immediate delivery
- Premium quality
- Reliable service
Product Picture
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Steel Making
Ingot Production
Forged Bars
Machinary
Packing & Delivery
Packing & Delivery
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The inner size of container is below:
-- 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)
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