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20CrMo calido ferro involutus sheet
20CrMo calido ferro involutus sheet
20CrMo calido ferro involutus sheet
20CrMo calido ferro involutus sheet

20CrMo calido ferro involutus sheet

20crmo Alloy Steel Bar  late ad tubulum pressionis fabricare et cingulo, quod medium non mordax est, medium hidrogenium nitrogenium et sub 250°C laborant, ut vane, fallere, cudere et convolvi sectionem in Turbine et boiler, in partibus communibus magnis carburandis. machina.
Product introduction
chalybea circum vectibus late utuntur in machinis faciendis, autombile faciendi, ferriviarium, machinatio mea, machinis petoleum, machinae agriculturae et architectae civilis, qualia sunt omnia genera spiculorum, cochlearum, virgarum connexionum, ferramenta ferramentorum, anni, partes vexillum, clavicularum clavicularium, structurales. partes pro machinis automobile et agriculturae, manicis exterioribus et inertis, scutulis et globulis ad faciendum faciendum.
GB 20CrMo Ferrum est genus offensionis Sinensium ferrum ad machinationem et structuram mechanicam faciendam, quae plerumque adhibetur in restinguendo vel temperando vel carbendo et exstinguendo. 20CrMo materia magnum calorem habet fortitudinem, bonam duritiem, nullum temperamentum fragilitas, frigus iactantia plasticitas, bona machinabilitas et weldability.
Technical data
20crmo Alloy Steel Bar Chemical Composition
Gradus C Si Mn P S Cr Mo
20CrMo 0.17-0.24 0.17-0.37 0.40-0.70 ≤0.030 ≤0.030 0.80-1.10 0.15-0.25
Mechanica Property:
Distrahentes fortitudo
σb (MPa)
Cedat imperium
σs 0.2 (MPa)
Prolongatio
δ 5 (%)
De reductione area crosssection
(%)
Ballistic opus
Akv (J)
Tunsam duritiem valorem
αkv (J/cm2)
duritia. Specimen Size
Min 835 Min 540 Min 10 Min 40 Min 47 Min 59 Max 179 15mm
Applications

20CrMo offensionis chalybis in instrumentis non corrosivis in fabricandis instrumentis chemicis et in fistulis pressionis altum, nexibus, vaporibus turbines, scapulis bullientis et malleolis cum temperatura laborantibus infra 250 °C, et partibus carburizing momentis sicut anni et spicula in machinis generalibus. . Potest etiam adhiberi loco 1Cr13 chalybe ad medias pressiones fabricare, humilis pressionis vaporis turbines in zona vaporis superheatae pressionis scaenicae scapulae laborantis.

Caloris curatio Specification

  • Exstingui primum caliditatem calefactionis: 880 °F (Agens extinguens: aqua, oleum)
  • Temperatio calefactionis temperatura: 500 °C (aquae, oleum)

Aequivalent Grades

20CrMo materia aequiparatur ASTM US, Germania Europae DIN EN, Britannia BS EN, Gallia NF EN, Iaponicus JIS, et vexillum ISO. (For reference)

20CrMo ferro aequivalens
China USA Germania Iaponia Gallia UK ISO
Standard Gradus Standard Gradus Standard Gradus (Steel Number) Standard Gradus Standard Gradus (Steel Number) Standard Gradus (Steel Number) Standard Gradus
GB/T 3077 20CrMo AISI SAE;
ASTM A29/A29M
4120 DIN EN 10083-3 25CrMo4 (1.7218) JIS G4053 SCM420 NF EN 10083-3;
NF A35-551
25CrMo4 (1.7218);
18CD4
BS EN 10083-3;
BS 970 Pars 1
25CrMo4 (1.7218);
708M20
ISO 683-1 18CrMo4
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