• Hardox, Bisalloy, Creusabro, XAR, Quard Sumihard, Fora, Raex,JFE Everhard
  • Plat Boiler,A283Gr.C,SS400,Plat Kapal,A36,BKI,SM490,S355J
  • 3Cr12,210,304/304L,AISI 310,316/316L,403, 410,430,Durinox
  • AISI 1045,AISI 4140,AISI 4340,SCM415,SCM435,SCM440,DIN 42CrMo4,DIN 34NiCrMo6,
  • S45C,S50C,VCL140,VCN150,ASSAB,Bohler, Thyssenkrupp
  • SKD11, SKD61, SKS3, SKT4, HSS, Tungsteen Carbide
  • H-Beam,I-Beam,WF Beam,UNP,C-Channel,Besi Siku,King Cross, T-Section
  • Toko Besi,Jual Besi Baja,harga Plat dan RounBar

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Jual Baja Stavax

Stavax Mould Steel


AISI - 420
DIN - 1.2083
JIS - SUS420J2
GB - T1220-2007
W-Nr - 1.2083


Standard Assab Bohler Edelstahl
Thyssen Hitachi
SUS 420 J2


Stavax adalah baja cetakan stainless premium untuk sisipan dan inti kecil dan menengah. Stavax menggabungkan ketahanan korosi dan aus dengan kemampuan poles yang sangat baik, kemampuan mesin yang baik, dan stabilitas dalam pengerasan.

Kelebihan material stavax antara lain :

  • Ketahanan korosi yang baik.
  • Kemampuan poles yang sangat baik.
  • Ketahanan aus yang baik.
  • Kemampuan mesin yang baik.
  • Stabilitas dimensi yang baik selama perlakuan panas.


Roundbar: 50mm - 220mm
Flat: 12mm - 200mm

Chemical Composition

Type C Cr Mn Si S P Ni V Mo
Stavax 0.38 13.60 0.50 0.90 0.03 - - 0.30
2083 0.39 13.72 0.46 0.83 0.001 0.018 - 0.29 -
AISI 420 0.26-0.40 12.00-14.00 1.00 1.00 0.03 0.04 - 0.30
HPM38 0.38 13.60 0.50 0.75 0.03 - - 0.30

Mechanical Properties

Tensile Strength, Rm (MPa) 1780
Yield Strength, Rp (MPa) 1460
Elongation in 2" (%) -
Hardness (HRc) 45-52
Reduction of Area (%) -
Charpy V-notch Impact Strength (toughness):
Longitudinal (ft/lb) -
Transverse (ft/lb) -

Physical Properties AISI 420

Density (×1000 kg/m3) 7.64
Modulus of elasticity (GPa) 200
Thermal conductivity (100oC) [W/m.K] 24.9
Specific Heat (J/Kg.C) 460
Coefficient of thermal expansion 11.4x10-6


Hardened & Tempered: 45 ~ 52HRC

Heat Treatment

600-850 ° 100 (1110-1560 ° F)Normally a minimum of Two preheating steps required.

100 ° 1000-1025 (1830 -1880 ° C) 1020 House usually 100 ° (1870 ° C). For a very large  Mould 1000 100 ° (1830 ° C) Recommended it.

Protect the steel and heat through to 740 ° C(1365 ° F). Then cool in the furnace at 15 ° C (30 ° F)per hour to 550 ° C (1020 ° F), then freely in air.

Stress relieving: 
After rough machining the tool should be heated through to 650 ° C (1200 ° C), holding time 2 hours.Cool slowly to 500 ° C (930 ° F), then freely in air.

Tempering at 250-300 ° C (480-570 ° F) results in the best combination of toughness, hardness and corrosion resistance.Holding time at that temperature is minimum 2 hours. HOWEVER, for very large molds  it is recommended to use a high tempering temperature to Reduce the residual stresses to a minimum.

Interrupted oil to below 1000F (540C). Air cool to 150F (65C). Salt bath at 250–550°C, then cool in Airblast.


Molding of corrosive plastics such as PVC, Acetates and for molds that runs under humid working and storage condition, Molding of medical components such as syringes and analysis vials,etc.

Surface finishing of hardened and tempered stainless tool steel using sequential ball grinding, ball burnishing and ball polishing processes on a machining centre,
Fang-Jung Shiou, Chih-Cheng Hsu,
Department of Mechanical Engineering, National Taiwan University of Science and Technology, No. 43, Section 4, Keelung Road, 106 Taipei, Taiwan

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