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SCM440

Data Table for:Steel grades:Carbon steel:SCM440

Chemical composition % of the ladle analysis of grade SCM440

Mechanical properties of grade SCM440

Technological properties of grade SCM440

Hardness and heat treatment specification of grade SCM440
salt-bath furnace controlled atmosphere furnace
235 262 788 1191 1204 5~15 air cooling 522 60
longitudinal horizontal
Hot-rolled/Cold rolling:5 - 150 520 415 16~18 2a 3.5a
Note:
(1) listed in the table apex diameter (d), to steel thickness (a) multiples said.
(2) in the ASTM A6 standard specified scope can meet any additional conditions.
(3) from the standard for 50 mm (2 in).
Mechanical properties
Mechanische Eigenschaften
Caracteristiques mecaniques
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d’elasticite minimale
Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc
SCM440 steel description:

Step Shaft: steel plate/sheet,coil,round bar,flat bar,tube/pipe,Profiled forgings

SCM440 steel Specifications or Size:

Round bar:
Diameter : 1mm-2000mm

Square bar:
Size: 50mm * 50mm-600mm *600mm

Plate steel/flat bar:
Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm

Tube/pipe:
Size: OD: 6-219mm WT: 1-35 mm.

Cold-rolled sheet: Thickness: 2-5mm Width:1000mm Length: 2000mm

Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm

Length: We can supply any length based on the customer's requirement.

Forging/hot rolling/ extrusion of steel.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement.

UTS according to SEP 1921 C/c,D/d,E/e;A388 or GB/T 6402

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C
Si
Mn
P
S
Cr Ni
0.38-0.43 0.15-0.35 0.3-0.6 0.03 0.03 0.9-1.2 ≤0.25
Mo Al Cu Nb Ti V Ce
0.15-0.3   ≤0.3        
N Co Pb B Other    
             
             



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