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STAM 55H

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Korea KS STAM55H Electric resistance welded carbon steel tubes for automobilestructural purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STAM55H / STAM 55H
Category Grade Standard Region/Area Standard Content
Metals STAM 55H KS D 3598 Korea Electric resistance welded carbon steel tubes for automobilestructural purposes

Chemical composition(mass fraction)(wt.%) of the STAM 55H

Element Min Max Similar
Si - 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mn 0.3000 1.0000 -
C - 0.3000 -

Mechanical Properties of steel grade STAM 55H

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)
787 (≥) 632 (≥) 34 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade STAM 55H

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
34 - -     0.21 -  
353 452 - 21.3 443   -  
647 - 33 41.2   223 212

Heat Treatment of steel grade STAM 55H

Heat treated : 1473°C - 1655°C

Technological Curves of steel grade STAM 55H

Cross Reference Table (Equivalent Grade) of STAM 55H

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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