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EN 10204-3.1 Certificated 17CrNiMo6 Alloy Steel Round Bar with Polished Surface and OD 6-630mm
Product Details
| Diameter | 13 - 300mm | Length | 6m Or Custom |
|---|---|---|---|
| Chemical Composition C | 0.15-0.20 | Chemical Composition Si | ≤ 0.40 |
| Chemical Composition Mn | 0.40-0.60 | Chemical Composition Cr | 1.50-1.80 |
| Chemical Composition Mo | 0.25-0.35 | Chemical Composition Ni | 1.40-1.70 |
| Tensile Strength | 980-1270MPa | Yield Point | 780MPa |
| Elongation | 11% | Impact Test | 45~50J |
| Hardness | HRC28-32 | Normalizing Temperature | 840-890°C |
| Annealing Temperature | 630-650°C | ||
| Highlight | EN 10204-3.1 Certificated Alloy Steel Round Bar,Polished Surface 17CrNiMo6 Steel Bar,OD 6-630mm 1.6587 Alloy Steel Bar |
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Product Description
EN 10204-3.1 Certified 17CrNiMo6 Alloy Steel Bar 1.6587 Alloy Round Steel Bar
Product Specifications
Diameter: 13 - 300mm
Length: 6m or custom cutting as requested
Grade: Alloy Steel
Services: Cutting, polishing, packing, heat treatment
Brands: BAOSTEEL, XINGCHENG, DSS, CHONGQING, XNSS, HLXT, etc.
Standards: GB, ASTM, JIS, EN, DIN
Company Type: Storage company and processing service
17CrNiMo6/1.6587 Steel is a heat treatable, low alloy steel containing nickel, chromium and molybdenum according to DIN Germany standard. This material is known for its toughness and capability of developing high strength in the heat treated condition while retaining excellent fatigue strength. 17CrNiMo6/1.6587 Steel is widely used in heavy duty applications including shafts, gears, axles, spindles, couplings, and pins.
Chemical Composition per DIN 17210 (Case Hardening Steels)
| Grade | Number | C | Si | Mn | P | S | Cr | Mo | Ni |
|---|---|---|---|---|---|---|---|---|---|
| 17CrNiMo6 | 1.6587 | 0.15-0.20 | ≤ 0.40 | 0.40-0.60 | ≤ 0.035 | ≤ 0.035 | 1.50-1.80 | 0.25-0.35 | 1.40-1.70 |
Size, Tolerance & Processing Specifications
| Shape | Size (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 |
Heat Treatment Processes
Normalizing for 17CrNiMo6/1.6587
- Nominal normalizing temperature: 840-890°C
- Hold the temperature for several hours
- Cooling in the air
Annealing for 17CrNiMo6/1.6587
- Nominal annealing temperature: 630-650°C
- Cool slowly in the furnace
- Maximum Brinell hardness of 229
Hardening and Tempering (QT) for 17CrNiMo6/1.6587
- Nominal hardening temperature: 830-865°C
- Hold at this temperature then quench in oil
- Tempering as soon as possible when temperature lowers to ambient temperature
- Heat the steel carefully to a suitable temperature selected by reference to a tempering chart or table
- The usual tempering temperature is 600°C depending on actual requirements
- Keep the material out of the furnace, then cool in the air
Mechanical Properties (For Reference Only)
Tensile strength: 980-1270MPa
Yield point: 780MPa
Percentage reduction of area after fracture: 40%
Elongation after fracture: 11%
Impact test (+20°C): Longitud - 45~50J
Delivery Conditions
- Shape: Round/Square/Flat/Shafts/Rollers/Blocks
- Surface condition: Black surface/Bright surface
- Heat Treatment: Normalized/Annealed/QT
- Straightness: Max 3mm/m (Enhanced straightness available on request)
- Length: 3000-5800mm suitable for 20″ container; above 6000mm suitable for 40″ container
- Grain Size: 5-8 acc to ASTM E112-96
- Typical Hardness: HRC28-32
- Ultrasonic Standard: Sep1921/ASTM A388/EN 10228-3
- Non Metallic Inclusion: 2 max acc to ASTM E45 /K4≤20 acc to DIN 50602
- Forging Ratio: minimum 4:1
- Marking: Grade/Weight/Length/Size/Heat Number
Quality Certification
A material test report (Inspection Certificate EN 10204 3.1) will be provided, documenting the following:
- Chemical analysis
- Mechanical properties
- Surface hardness
- Non Metallic Inclusion
- Heat Treatment Process
- Grain size
- Forging ratio
- NDE test method/criteria
Company Information
Our company specializes in all kinds of round steel, including materials from major steel mills such as Ling Steel, Xuan Steel, Benshan Steel, Tiangang, Shandong Luli Steel, Rongcheng Steel, Professional, Handan, Laigang, Jiyuan Steel and other major steel mills. We are designated agents in Tianjin with monthly sales of 40,000-60,000 tons of various steel products.
We maintain more than 4 warehouses for stock with approximately 30 product grades kept in stock long-term
Over 800 sizes ensure short delivery times for clients
Dedicated processing warehouse for steel round bar processing including cutting, polishing, and heat treatment
Global sales network serving machinery, standard parts, automotive, gears, forging, hardware tools and other industries
Popularly Used Grades We Manufacture
We manufacture a comprehensive range of steel grades including EN series, C series, S series, SAE/AISI standards, BS970 standards, ASTM standards, DIN standards, GOST standards, and various specialty alloys to meet diverse industrial requirements.
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