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Categories：Steel Bars
Model No.:30CrNiMo8
Round: Dia 3mm-1500mm (Cold drawn / Hot rolled / Forged).
Square/Flat: Th 4-120mm x W 4-610mm (Cold drawn / Hot rolled).
Plate: Th 5-400mm x W 1000-2300mm (Hot rolled).
Surface: Smooth, Peeled, Turned, Grinded, Polished, Milling, Black…
DIN1.6580 30CrNiMo8 Steel for Quenching and Tempering
Application
30CrNiMo8 Steel is widely used in the aerospace industry, propeller plane axles, crankshafts, cam shafts, transmission axles, torsion bars, drive shafts, pump shafts, worm shafts, conveyor rollers, stems, pins, tie rods, clutch discs, etc.
Quality Standard
-DIN EN 10083-3 Steel for quenching and tempering alloy steels.
Steel Grades
EN DIN BS
30CrNiMo8 1.6580 823M30
Chemical Composition(%)
| C | Si | Mn | P | S | Cr | Mo | Ni |
| 0.26-0.34 | 0.40 max | 0.50-0.80 | 0.025 max | 0.035 max | 1.80-2.20 | 0.30-0.50 | 1.80-2.20 |
Mechanical Properties
| Heat treatment | Diameter (mm) | Tensile Strength Rm (Mpa) | Yield Strength Rp0.2 (Mpa) | Elongation % in 2″ (%) | Reduction Of Area (%) | Impact Test (J) |
| Q+T | 16 max | 1250-1450 | 1050 min | 9 min | 40 min | / |
| Q+T | 16-40 | 1250-1450 | 1050 min | 9 min | 40 min | 30 min |
| Q+T | 40-100 | 1000-1300 | 900 min | 10 min | 45 min | 35 min |
| Q+T | 100-160 | 1000-1200 | 800 min | 11 min | 50 min | 45 min |
| Q+T | 160-250 | 900-1100 | 700 min | 12 min | 50 min | 45 min |
Capacity
2,000 ton per month.
Test
Chemical analysis, Mechnical analysis, Ultrasonic testing, Metallographic, Surface quality and dimension report.
Package
Each bundle of max 3,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.
Mill’s Test Certificate
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
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