NICKEL ALLOY INDUSTRY
10Х11Н23Т3МР-VAR （EP33-VAR）
Shape:Bar, wire rod,wire,tube, strip, plate, sheet Diameter:1.0mm-200mm Delivery condition:Hot Rolled,Annealed,Solution,Solution&Aged,Hardened&Tempered Length of bar:1000-12000mm Bundle Weight:20kgs-2500kgs Packing:as per customer’s requirement
Products DETAILS
10Х11Н23Т3МР-VAR （EP33-VAR）
1. Method of production: hot-rolled steel produced by vacuum-arc remelting.
2. Chemical composition
The chemical composition of heat-resistant steel 10Х11Н23Т3МР (EP 33) must correspond to Table2
Table2
Chemical composition, %
C
Si
Mn
Cr
Ni
Ti
Al
Mo
Fe
S
P
B
≤0,10
≤0,6
≤0,6
10,0-12,5
21,0-25,0
2,6-3,2
≤0,8
1,0-1,6
основа
≤0,01
≤0,020
≤0,02
The amount of boron, barium and cerium indicated in the table is a calculation and is not determined by chemical analysis (except in specified cases).
3. Technical requirements
4.1. Delivery condition – without heat treatment
4.2. Mechanical properties determined on samples cut from heat-treated blanks must meet the requirements of Table 3 for tests at room temperature and Table 4 for long-term strength tests.
Table 3
Heat treatment mode for control workpieces
Not less
Brinell hardness (indentation diameter, mm)
Tensile strength, N/mm2 (kgf/mm2)
Yield strength, N/mm2 (kgf/mm2)b
Relative
Impact strengthJ/cm2(kgf*m/cm2)
Alongation, %
Narrowing, %
Hardening: heating 950-1050°C, holding for 2-5 hours, cooling in air or oil; aging at 730-780° for 16 hours, additional aging at 600-650° for 10-16 hours, cooling in air
980(100)
685(70)
12
14
29(3)
3,20-3,50
Table 4
Длительная прочность
Test temperature , °C
Constant applied tension, N/mm2(kgf/mm2)
Time to destruction, hours, not less
600
569(58)
50
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