17CrNiMo6 1.6587 Alloy Steel Round Bar 13-300mm Diameter EN 10204-3.1 Certified
17CrNiMo6 (1.6587) alloy steel round bar is a heat-treatable, low-alloy steel containing nickel, chromium, and molybdenum according to DIN Germany standards. This material is renowned for its exceptional toughness and ability to develop high strength in heat-treated conditions while maintaining excellent fatigue strength.
| Diameter Range | 13 - 300mm |
| Standard Length | 6 meters (custom cutting available) |
| Material Grade | Alloy Steel 17CrNiMo6/1.6587 |
| Available Brands | BAOSTEEL, XINGCHENG, DSS, CHONGQING, XNSS, HLXT |
| Standards Compliance | GB, ASTM, JIS, EN, DIN |
| Certification | EN 10204-3.1 Material Test Certificate |
| Element | Content (%) |
|---|---|
| C (Carbon) | 0.15-0.20 |
| Si (Silicon) | ≤ 0.40 |
| Mn (Manganese) | 0.40-0.60 |
| P (Phosphorus) | ≤ 0.035 |
| S (Sulfur) | ≤ 0.035 |
| Cr (Chromium) | 1.50-1.80 |
| Mo (Molybdenum) | 0.25-0.35 |
| Ni (Nickel) | 1.40-1.70 |
| Shape | Size Range (mm) | Process | Tolerance | Length (mm) |
|---|---|---|---|---|
| Round | Φ6-Φ50 | Cold Drawn | H11 | 3000-5800 |
| Round | Φ40-Φ300 | Hot Rolled | -0/+3mm | 3000-10000 |
| Round | Φ120-Φ1000 | Hot Forged | -0/+3mm | 3000-10000 |
| Flat/Square/Block | Thickness: 120-800 Width: 120-1500 |
Hot Forged | -0/+3mm | 500-6000 |
- Temperature range: 840-890°C
- Hold at temperature for several hours
- Air cooling
- Temperature range: 630-650°C
- Slow furnace cooling
- Maximum Brinell hardness: 229
- Hardening temperature: 830-865°C
- Oil quenching after temperature hold
- Immediate tempering at ambient temperature
- Typical tempering temperature: 600°C
- Air cooling after tempering
- Tensile strength: 980-1270 MPa
- Yield point: 780 MPa
- Reduction of area: 40%
- Elongation: 11%
- Impact test (+20°C): 45-50J (longitudinal)
- Shapes: Round, Square, Flat, Shafts, Rollers, Blocks
- Surface conditions: Black surface, Bright surface
- Heat treatments: Normalized, Annealed, QT
- Straightness: Maximum 3mm/m (enhanced available on request)
- Length options: 3000-5800mm (20" container), 6000mm+ (40" container)
- Grain size: 5-8 (ASTM E112-96)
- Typical hardness: HRC 28-32
- Forging ratio: Minimum 4:1
EN 10204 3.1 Material Test Certificate includes comprehensive documentation of:
- Chemical analysis
- Mechanical properties
- Surface hardness
- Non-metallic inclusion analysis
- Heat treatment process records
- Grain size measurement
- Forging ratio verification
- NDE test methods and criteria
17CrNiMo6/1.6587 steel is extensively used in heavy-duty components including shafts, gears, axles, spindles, couplings, and pins for various industrial applications.
Our company maintains extensive inventory with over 30 product grades and 800+ sizes across multiple warehouses. We provide comprehensive processing services including cutting, polishing, and heat treatment to meet specific customer requirements.
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