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  • 4Cr13 / 2Cr13 / 420 Пластиковые формы стальных пластин / Die Steel / Alloy Steel / Special Steel / Прутки / Лист / Поковки
  • 4Cr13 / 2Cr13 / 420 Пластиковые формы стальных пластин / Die Steel / Alloy Steel / Special Steel / Прутки / Лист / Поковки

4Cr13 / 2Cr13 / 420 Пластиковые формы стальных пластин / Die Steel / Alloy Steel / Special Steel / Прутки / Лист / Поковки

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Components as axle, valve, gear, medical applicance, spring etc., which require high hardness and wear resistance. Applied for making plastic moulds and transparent plastic molds which require high load, wear resistance and work under the action of corroding medium.

информация о продукте

Standard: GB/T 1220-1992

DINAISIJISGB
1.2083420-4Cr13


Chemical composition (%)

StandardSteel GradeCSiMnPSCrMoVW
DIN1.20830.38-0.45≤1.00≤1.000.0300.03012.00-13.50---
ASTM420---------
GB4Cr13---------


Specification

Round barDiameterLength-
Forged round bar: φ50~4502000~6000-
Rolled round bar: φ10~802000~6000-
Flat barThickness(mm)Width(mm)Length(mm)
Forged plate: 20~30050~7102000~6000
Rolled plate: 10~65155~6102000~6000


Characteristics

Martensite stainless steel with good machinability and excellent corrosion resistance, polishability and high strength and wear resistance after heat treatment.


Application

Components as axle, valve, gear, medical applicance, spring etc., which require high hardness and wear resistance. Applied for making plastic moulds and transparent plastic molds which require high load, wear resistance and work under the action of corroding medium.


Forging Technique

HeatingInitial forging temperature ℃Final forging temperature ℃Cooling
Slowly heat to 800℃, then quickly heat to the final forging temperature1160-1200≥850Ash cooling or sand cooling with timely annealing


Heat treatment technique

ItemAnnealingQuenchingTempering
Temperature ℃750-8001050-1100200-300
CoolingFurnace coolingOil coolingAir cooling
Hardness≤229HB54-58HRC≥50HRC

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