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1.7665

Description 1.2739 datasheet, 1.2739 Chemical, 1.2739 Properties from Steelmaking, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military
Product parameters
Material Category:: Structure Steel
Steel Grade: 1.7665
Material Technical Standards:: DIN
Specification Code:: DIN EN 10263-4
Place of Origin: Germany
INQUIRY
Description
MATERIAL SPECIFICATION DATASHEET - DIN 1.7665
Official Test Certificate - issued by TUV - SGS -  BV
MATERIAL CATEGORY - High tensile strength structure steel
MATERIAL SPECIFICATIONS - DIN EN 10263-4
MELTING PROCESS - Electric arc furnace + LF + VD / + ESR / + VAR
CHEMICAL COMPOSITION (WEIGHT %)     
C (%):     0.30 ~ 0.35
Si (%):    ≤ 0.35
Mn (%):  ≤ 0.60
P (%)≤:   0.025
S (%)≤:   0.010
Cr (%):    2.80 ~ 3.20
Mo (%):   0.80 ~ 1.20
Ni (%):    ≤ 0.25
V (%):     0.25 ~ 0.35
Cu (%):   ≤ 0.20
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Tensile strength, ≥|σb/MPa: 930 - 1100
Yeild strength, ≥|σs/MPa: 760
Elongation, ≥|δ5(%): 15.0
Reduction of area, ≥|ψ(%): -
≥|AKV DVM-V form sampling /J RM, : -
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
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.0mm to 500mm
Square bar / Flat bar: 3mm to 800mm
Sheet steel via cold rolled: T0.5 - 6mm X W60 - 1000mm X L1000 - 4000mm
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.
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