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(DIN 1.2083) is a martensitic stainless steel with 12% Chromium which is sufficient to give good corrosive resistance properties. It’s best corrosive resistance is when hardened and surface is ground or polished. It has good ductility in the annealed condition but can be hardened up to 500HB (highest of the chromium grades).

Smelting method : EAF+LF+VD+ESR

Main Characteristics : Favourable corrosion resistance, abrasion resistance, quenching, quenching, cutting performance, and polishability as well as high surface fineness.

Major Applications : Production of PVC molds

Long-life molds

Molds for disposable tableware

Production of optics parts for example cameras, sunglasses lens, medical vessels, etc.

Chemical Composition : (%)

C Si Mn Cr
0.38-0.45 0.95-1.00 0.95-1.00 12.50-14.50
Mo Ni P S
- - MAX 0.030 MAX 0.030

Physical Property : (%)

Room temperature density (kg/m³) Specific heat of room temperature (J/Kg.K) 200°C thermal conductivity (W/m.K)
7.8 460 24
Elastic mouldsus (N/nm²) Linear Expensivity (x10-6K)
20 ~ 200°C
20 ~ 400°C

Purity :

Electric furnace steel :

Class A Class B
Fine Coarse Fine Coarse
1.5 1.0 2.0 1.5
Class C Class D
Fine Coarse Fine Coarse
1.5 1.0 1.5 1.5

Electroslag steel :

Class A Class B
Fine Coarse Fine Coarse
1.0 0.5 1.5 1.0
Class C Class D
Fine Coarse Fine Coarse
1.0 1.0 1.5 1.0

Delivery State :
(1) Delivery under annealing state, delivery hardness ≤235HB;

Supply Specifications :

Round Steel Flat Steel Module
Φ 16-500mm 16~120mm x 200~810mm 120~500mm x 300~1200mm

Heat Treatments :

Softening annealing Quenching
Heating to 850°C for heat insulation; cooling to 650°C at 10°C/h air cooling. 1,020~1,030 quenching rapid air cooling
Tempering temperature 250°C, (favorable tenacity and corrosion resistance) : selecting tempering temperature as per hardness requirements; tempering for twice.
1.2083 corrosion resistant steel

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