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International ISO SL Steel wire for mechanical springs - Part 2: Patented cold-drawn non-alloy steel wire and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SL / SL
Category Grade Standard Region/Area Standard Content
Metals SL ISO 8458-2 International Steel wire for mechanical springs - Part 2: Patented cold-drawn non-alloy steel wire

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

Element Min Max Similar
P - 0.0400 -
S - 0.0400 -
Mn 0.3000 1.5000 -
Si 0.1000 0.3500 -
C 0.4000 0.8500 -
Si 0.1000 0.3000 -
S - 0.0300 -
P - 0.0300 -
Mn 0.3000 1.2000 -
Cu - 0.2000 -
C 0.3500 1.0000 -

Mechanical Properties of steel grade SL

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)
257 (≥) 362 (≥) 24 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade SL

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
11 - -     0.23 -  
765 645 - 43.3 431   -  
197 - 33 12.2   434 142

Heat Treatment of steel grade SL

Heat treated : 1346°C - 1196°C

Technological Curves of steel grade SL

Cross Reference Table (Equivalent Grade) of SL

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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