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Mat.No. 1.6511, DIN 36CrNiMo4, AISI 9840
Short Description:
DIN 1.6511 / 36CrNiMo4 Steel is a Nickel-Molybdenum alloy engineering steel accding to DIN Standard. 36CrNiMo4 is one kind of high strength steel which also has good comprehensive mechanical properties. This steel is known for its toughness and capability of developing high strength in the heat treated condition while retaining good fatigue strength. Chemical Composition C: 0.32-0.40; Si: max0.40; Mn: 0.50-0.80; P: max0.035; S: max0.035; Cr: 0.90-1.20; Ni: 0.90-1.20; Mo: 0.15-0.30; Equivalent...
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DIN 1.6511 / 36CrNiMo4 Steel is a Nickel-Molybdenum alloy engineering steel accding to DIN Standard. 36CrNiMo4 is one kind of high strength steel which also has good comprehensive mechanical properties. This steel is known for its toughness and capability of developing high strength in the heat treated condition while retaining good fatigue strength.
Chemical Composition
C: 0.32-0.40; Si: max0.40; Mn: 0.50-0.80; P: max0.035; S: max0.035;
Cr: 0.90-1.20; Ni: 0.90-1.20; Mo: 0.15-0.30;
Equivalent Grades
AISI/ASTM: 9840
BS: 817A37 / 817M37
JIS: SNCM439
Form of 1.6511
Round / Square / Flat / Hollow Bars, Shafts, Rollers, Blocks
Size of 36CrNiMo4
– As Forged
Round bar
Size: Dia.80-1,000mm
Length: 3,000-10,000mm
Square bar
Size: 150×150-600×600mm
Length: 3,000-8,000mm
(Forged Flat Bars, Shafts, Rollers and Blocks can be Customized)
– As Rolled
Round Bar
Size: Dia.10-300mm
Length: 3,000-10,000mm(can be Customized)
Surface Condition of 1.6511 Steel
Black, Rough Machined, Turned
Hardness of 36CrNiMo4 Steel
Annealed (+A): max 241HB
Mechanical Properties of 1.6511 / 36CrNiMo4 Steel
Tensile strength: 1000MPa
Yield point: 800MPa
Percentage reduction of area after fracture: 45%
Elongation after fracture: 11%
Impact test – longitud: 35-45J(20°C)
Quenched and Tempered (+QT) of DIN 36CrNiMo4 Steel
1. Heat 1.6511 steel slowly to the temperature of 860°C;
2. Soak at this hardening temperature and quench in oil;
3. Temper as soon as 36CrNiMo4 steel reach room temperature.
4. Heat uniformly to the suitable temperature;
5. Withdraw from the furnace and cool in the air.
6. The usual tempering temperature is 200°C which also depending on the actual requirements.
Applications of W-Nr 1.6511 Steel
DIN 36CrNiMo4 alloy steel is widely used in permanently stressed components with large cross sections for automotive and mechanical engineering. This material is also good for economic performance under severe dynamic stress and parts must be designed for optimum strength or toughness.
Enquiry for DIN 1.6511 / 36CrNiMo4 Alloy Steel Round / Square / Flat Bars, Shafts, Rollers, Blocks.
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