CrAl 20 5 1.4767 - DIN 17470-1984

Grade	CrAl 20 5
Germany W-Nr.	1.4767
Corresponding Standard	DIN 17470-1984 Heating conductor alloys Technical delivery conditions for round and flat wire
Classification	Special Alloy Steel
Density	7.2 g/cm³

CrAl 20 5 Chemical Element Composition Content (%)

Component	Cr	Al	More
Nominal Value	20	5	Fe:余量

CrAl 20 5 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Wire	Softening Annealing	≥600①	L0=100mm 0.02≤d≤0.063: ≈6② 0.063＜d≤0.125: ≈8② 0.125＜d≤0.5: ≈10② 0.5＜d≤1: ≥10③ d＞1: ≥12③

Approximate Comparison Table High-Resistance Electric Heating Alloy

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