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  • S45C,S50C,VCL140,VCN150,ASSAB,Bohler, Thyssenkrupp
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  • Toko Besi,Jual Besi Baja,harga Plat dan RounBar

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Material Besi Per SUP JIS G 4801 Properties


Product  : SUP 9 Spring Steel
Kategori : Spring Steel
Standard: JIS G 4801
Grades   : SUP 9

Equivalent
DIN17221 55Cr3/ 1.7176, GB/T1222 60CrMnA, JIS G4401 steel, BS 527A60, 5160/ G51600

Characteristic
SUP9 has good hardenability
hot working performance

Availability
Flat


Chemical Composition
Symbol
of Class
Chemical Composition %
C Si Mn P Max. S Max. Cr V B
SUP   3 0.75∼0.90 0.15∼0.35 0.30∼0.60 0.035 0.035 - - -
SUP   6 0.56∼0.64 1.50∼1.80 0.70∼1.00 0.035 0.035 - - -
SUP   7 0.56∼0.64 1.80∼2.20 0.70∼1.00 0.035 0.035 - - -
SUP   9 0.52∼0.60 0.15∼0.35 0.65∼0.95 0.035 0.035 0.65-0.95 - -
SUP  9A
0.56∼0.64 0.15∼0.35 0.70∼1.00 0.035 0.035 0.70-1.00 - -
SUP  10 0.47∼0.55 0.15∼0.35 0.65∼0.95 0.035 0.035 0.80-1.10 0.15-0.25 -
SUP 11A 0.55∼0.65 0.15∼0.35 0.70∼1.00 0.035 0.035 0.70-1.00 - 0.0005 min.
SUP  12 0.51∼0.59 1.20∼1.60 0.60∼0.90 0.035 0.035 0.60-0.90 - -
SUP  13 0.56∼0.64 0.15∼0.35 0.70∼1.00 0.035 0.035 0.70-0.90 - -
Note : The value of Cu as impurities shall not exceed 0.30%


Mechanical Properties
Properties
SUP9
Tensile Strength Min (MPa) 1226
Proof Stress Min (MPa) 1079
Elongation Min (%) 9
Hardness (HB) Max 363-429
Supplied Condition Annealed


Physical Properties
Properties
SUP 9
Density (×1000 kg/m3) 7.70
Elastic Modulus (GPa) 190-210
Poisson's Ratio 0.27-0.30
Reduction in Area (%) 48.4
Impact Strength (J) 27.4


Application
Various important spring, such as automobile, locomotive, large plate spring, laminated springs, coiled springs and torsion bar springs, etc.

Related Grade:
SUP 3| SUP 6| SUP 7| SUP 9A| SUP 10| SUP 11A| SUP  12| SUP  13|



Related Steel:

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