33CrMoV12-9 / 1.8522 / K24340
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Technical specifications of DIN 33CrMoV12-9 Carburized structural steel data sheet,33CrMoV12-9 Chemical compositions, K24340 mechanical properties from steelmaking, ESR, blooming, forging, rolling, heat treatment, straightened, ultrasonic test, cold working, machined. We also possess advanced precision machining equipments for further processing. Material specification - DIN EN 10085 (2001), DIN 17211 (1987) or by agreement.
TECHNICAL SPECIFICATION DATASHEET - DIN 33CrMoV12-9 & W-Nr 1.8522 

Official Test Certificate: issued by TUV - SGS BV
MATERIAL CATEGORY: Carburized structural steel 
MATERIAL SPECIFICATIONS  
DIN EN 10085 (2001), DIN 17211 (1987)
 
CHEMICAL COMPOSITION (WEIGHT %)     
C (%):     0.29 ~ 0.36
Si (%):     ≤ 0.40
Mn (%):   0.40 ~ 0.70
P (%)≤:   0.025
S (%)≤:   0.035
Cr (%):    2.80 ~ 3.30
Mo (%):   0.70 ~ 1.00
V (%):     0.15 ~ 0.25
 
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Hot working temperature /℃:   1050~850
Heat treatment temperature /℃|annealing: 680~740
Heat treatment temperature /℃|quenching: 940~980 Oil or Water
Heat treatment temperature /℃|tempering: 600~700
Heat treatment temperature /℃|carburizing: 500~520
Hardness after annealing HBS≤: 248  
Size /mm: ≤ 40
Tensile strength, ≥|σb/MPa: 1100 ~  1350
Yield strength, ≥|σs≥/MPa: 950
Elongation, ≥|δ5(%)≥: 11.0
Impact, ≥|AKV/J (DVM-V form sampling): 35 
Size /mm:  ≤ 100
Tensile strength,  ≥ |σb/MPa: 1050 ~ 1250
Yield strength, ≥ |σs≥/MPa: 850
Elongation, ≥ |δ5(%)≥: 12.0
Impact, ≥|AKV/J (DVM-V form sampling): 35
Hardness of Carburized layer |HV: -
AVAILABLE SHAPES  
Black bar /Flat bar / Square bar /Pipe, /Steel strip, /sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
 
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, seamless pipe
 
PRODUCT PROFILE
Round bar (Diameter):  0.50mm to 800mm
Square bar / Flat bar: 3mm to 650mm
Length: Fixed length or random length or based on the customer's special requirement.
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.

TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. - Email:
lh.steel@hotmail.com  

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