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40CrNiMo calido revolvens ensem per catenas ;
40CrNiMo calido revolvens ensem per catenas ;
40CrNiMo calido revolvens ensem per catenas ;
40CrNiMo calido revolvens ensem per catenas ;

40CrNiMo calido revolvens ensem per catenas ;

40CrNiMoA chalybs Sinensis est stannum chalybs, magnas vires, duritiem et duritiem bonam habet, et anti-excandens stabilitatem habet, sed candoris punctum sensus, ingenium fragilitas et paupertas weldability habet. Preheating requiritur ante glutino, et levamen accentus requiritur post glutino curatio.
Product introduction
40CrNiMoA chalybs adhibetur post extinctionem et temperantiam, et ad fabricandum partes magnas, quae requirit bonam plasticitatem, altam fortitudinem et magnam magnitudinem. Exempli gratia, spicula gravia officiorum in machinis gravibus officiis, spiculis vaporum turbine cum diametris majoribus quam 250 mm, laminis, nuntii, fasteners, crankshafts, anni etc. °C.
Chrome-Moly series ferri admixtionis humilis continet 0.5% - 9% Cr et 0.5% - 1% Mo et inferior quam 0.20% carbonis. 40CrNiMoA, 4340 et SNCM439 sunt humiles materiae chromoliorum ferri ex diversis signis.

4340 et SNCM439 signa sunt respective Americana et Iaponica. In pluribus adiunctis res alternare possunt, nisi adsit specialis nota vel ad specialem usum adhibita. Earum differentiae maxime in chemicis elementis exstiterant, singularia sic ostendebant;

Signa

GB

AISI

JIS

Materia

40CrNiMoA

4340

SNCM439(SNCM8)

C

0.37~0.44

0.38~0.43

0.36~0.43

Si

0.17~0.37

0.15~0.35

0.15~0.35

Mn

0.50~0.80

0.60~0.80

0.60~0.90

P

≤0.025

≤0.035

≤0.030

S

≤0.025

≤0.040

≤0.030

Cr

0.60~0.90

0.70~0.90

0.60~1.00

Ni

1.25~1.65

1.65~2.00

1.60~2.00

Mo

0.15~0.25

0.20~0.30

0.15~0.30


Technical data

40CrNiMoA Alloy Steel Mechanica Properties

  • Vires cede: ≥ 835 MPa
  • Robur distrahens: ≥ 980 MPa
  • Prolongatio: ≥12%
  • Rate reductionis in area: ≥55%
  • Impact industria absorbentis: ≥ 78 J
  • Material Brinell Hardness: ≤ 269 (Arealed vel caliditas ferro temperata virga)
  • Magnitudo: 25mm

Calor curatio specificatio

  • Primo exstingui caloris caliditas: DCCCL °C (oleum Quenchant-)
  • Temperatio calefactionis temperatus: 600 °C (aqua, oleum Quenchant-)
Usus est ubi distrahentes et bene resistentiam requirunt partes proprietatum, ut axes, tela, anni gravis officium, fusi, paxilli, bullae, serae, commissurae, scapulae, pinnae, torsio vectes, virgas conectentes. Haec alte stannum chalybe distrahens late in locis usus est ut industria chemica petrol, automotiva, vaporis instrumenti potentiae et alia opera temperatura calidissima.
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