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Description

Germany WL WL 1.7734-1 (1982), WL 1.7734-2 (1982), WL 1.7734-3 (1982), WL 1.7734-4 (1982), 1.7734 Specialsteel Alloy 15CDV6 is a low carbon steel which combines a high yield strength (superior to SAE 4130) with good toughness and weldabilit and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.7734
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.7734 WL Germany Alloy 15CDV6 is a low carbon steel which combines a high yield strength (superior to SAE 4130) with good toughness and weldabilit

Chemical composition(mass fraction)(wt.%) of the 1.7734

C Si Mn S P Cr Mo V
0.12 -0.18 ≤0.20 0.80 -1.10 ≤0.015 ≤0.020 1.25 -1.50 0.80 -1.00 0.20 -0.30

Mechanical Properties of steel grade 1.7734

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
295 (≥) 875 (≥) 34 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 1.7734

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.32 -  
585 943 - 41.3 323   -  
582 - 14 23.2   212 122

Heat Treatment of steel grade 1.7734

Heat treated : 1646°C - 1366°C

Technological Curves of steel grade 1.7734

Relevant standard of 1.7734

WL 1.7734-1 (1982) Aerospace; weldable hardened and tempered chromium-molybdenum-vanadium steel with approx. 0,15 C - 1,4 Cr - 0,9 Mo - 0,25 V; sheet, plate and strip WL-1-7734-1-(1982).pdf
WL 1.7734-2 (1982) Weldable heat-treatable chromium-molybdenum-vanadium steel with about 0.15C-1.4Cr-0.9Mo-0.25V; rods and forgings WL-1-7734-2-(1982).pdf
WL 1.7734-3 (1982) Weldable heat-treatable chromium-molybdenum-vanadium steel with about 0.15C-1.4Cr-0.9Mo-0.25V; pipes WL-1-7734-3-(1982).pdf
WL 1.7734-4 (1982) Weldable heat-treatable chromium-molybdenum-vanadium steel with about 0.15C-1.4Cr-0.9Mo-0.25V; filler metal WL-1-7734-4-(1982).pdf

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