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SSAB Tunnplat Docol® 1200 DP High-strength Steel

Category Metal , Ferrous Metal , Alloy Steel , Low Alloy Steel
Manufacturer SSAB Tunnplat AB
Trade Name Docol®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
The steels are annealed at temperatures between 750°C and 850°C, depending on the grade of steel, and then are hardened by quenching in water. Tempering is the next stage, in which the steel is heated to 200-400°C and then acquires its final structure to which the steel owes it toughness and good formability. This unique annealing procedure produces a tempered martensitic structure that accounts for the high strength of the steel. Both annealing and tempering are carried out in an inert atmosphere to prevent the steel from oxidizing, and the steel strip runs through a pickling bath between quenching and tempering, in order to remove the thin oxide film formed in the quenching process.Comments: Docol - Cold Rolled Steel - Ultra high-strength steel (UHS). Property values are for cold-rolled steel; thicknesses 0.5 - 1.6 mm.Applications: Tubes, Transport cages, Child seats for cars, Truck load stays, Venetian blinds, Washers, Hose clips, Clutch plates, Hedge cutters, Springs, Spades, Safes, Knives, Train seats, Ladders, Circlips, Saw blades, Chains, Bumpers, Bicycles, Containers, ClipsData provided by SSAB Tunnplat.
Physical Properties Metric English Comments
Density 7.87 g/cc
0.284 lb/in³
Estimated by MatWeb
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 1200 - 1400 MPa
174000 - 203000 psi
Tensile Strength, Yield >= 1100 MPa
>= 160000 psi
After bake hardening
950 - 1250 MPa

@Strain 0.200 %
138000 - 181000 psi

@Strain 0.200 %
Elongation at Break >= 4.0 %
>= 4.0 %
A<sub>80</sub>
Bend Radius, Minimum >= 4.0 t
>= 4.0 t
90° bend
Component Elements Properties Metric English Comments
Aluminum, Al 0.040 %
0.040 %
Carbon, C 0.17 %
0.17 %
Iron, Fe 98 %
98 %
As remainder
Manganese, Mn 1.6 %
1.6 %
Niobium, Nb (Columbium, Cb) 0.015 %
0.015 %
Phosphorous, P 0.015 %
0.015 %
Silicon, Si 0.50 %
0.50 %
Sulfur, S 0.0020 %
0.0020 %
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