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ER 209

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ER 209 HARPER 200
#R-20

Description

USA AMS A5.9/A5.9M, ER 209 Specialsteel Bare Stainless Steel Welding Electrodes and Rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: ER 209
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel ER 209 Precipitation-Hardening AMS USA Bare Stainless Steel Welding Electrodes and Rods

Chemical composition(mass fraction)(wt.%) of the ER 209

C Si Mn Cr Ni Mo Co W Al Cu Ti Fe Nb
≤0.12 ≤0.30 ≤0.80 ≤19.00 ≤14.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤1.60

Mechanical Properties of steel grade ER 209

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)
951 (≥) 813 (≥) 12 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade ER 209

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
31 - -     0.22 -  
388 943 - 32.3 434   -  
411 - 14 22.2   442 222

Heat Treatment of steel grade ER 209

Heat treated : 1734°C - 1739°C

Technological Curves of steel grade ER 209

Cross Reference Table (Equivalent Grade) of ER 209

Grade Standard Country Application
R-20
25Cr-20Ni
25Cr-20Ni+
29Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
29Cr-20Ni
29Cr-20Ni
29Cr-20Ni

Relevant standard of ER 209

A5.9/A5.9M Bare Stainless Steel Welding Electrodes and Rods A5-9-A5-9M.pdf
ER 209 HARPER 200
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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