31CrNiMo8
2015-12-04 11:46:12 Origin： Remark：0 Click：
ISO 683/18 Material specification alloy steel 31CrNiMo8 Round bar, Flat bar 31CrNiMo8 Forgings, ESR melted, Hot forging, Hot rolling, Heat treatment.
TECHNICAL DATASHEET - Grade 31CrNiMo8
Official Test Certificate: issued by TUV - SGS - BV
MATERIAL TYPE: Quenched and tempered steelMATERIAL STANDARDS: ISO 683/18
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.27 ~ 0.34
Silicon, Si (％): 0.10 ~ 0.40
Manganese, Mn (％): 0.30 ~ 0.60
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.035
Chromium, Cr (%): 1.80 ~ 2.20
Molybdenum, Mo (%): 0.30 ~ 0.50
Nickel, Ni (%): 1.80 ~ 2.20
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Diameter ≤ /size mm: 16
Mechanical property ≥|σb/MPa: 1030~1230
Mechanical property ≥|σs/MPa: 850
Mechanical property ≥|δ5(%): 12.0
Mechanical property ≥|AkU /J: 35
Mechanical property ≥|σs/MPa: 850
Mechanical property ≥|δ5(%): 12.0
Mechanical property ≥|AkU /J: 35
Hardness via Annealed /HBW: 248
Diameter ≤ /size mm: 16 ~ 40
Mechanical property ≥|σb/MPa: 1030~1230
Mechanical property ≥|σs/MPa: 850
Mechanical property ≥|δ5(%): 12.0
Mechanical property ≥|AkU /J: 35
Mechanical property ≥|σs/MPa: 850
Mechanical property ≥|δ5(%): 12.0
Mechanical property ≥|AkU /J: 35
Hardness via Annealed /HBW: 248
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut, Multidiameter shaft.
Pressure vessel, hollow bar.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut, Multidiameter shaft.
Pressure vessel, hollow bar.
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.50mm to 800mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
Round bar / Disc (diameter): 5.50mm to 800mm
Square bar / Flat bar: 10mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com
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