DIN 2.4668

2.4668?Application:Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%) of the 2.4668

ElementsMin.（≥）Max.（≤）SimilarRemarksC-0.03 Cr17.021.0 Mo2.803.30 Ni50.055.0 Al0.200.60 Nb4.755.50 Fe-Bal Si-0.35 Mn-0.35 P-0.015 S-0.015 B-0.006

Mechanical properties of grade 2.4668

Yield

Rp0.2 (MPa)Tensile

Rm (MPa)Impact

KV (J)Elongation

A (%)Reduction in cross section on fracture

Z (%)As-Heat-Treated ConditionHBW788 (≥)839 (≥)414434Solution and Aging, Annealing, Ausaging, Q+T,etc414

Physical properties of grade 2.4668

PropertyDensity

kg/dm3Temperature T

°C/FSpecific heat

J / kgKThermal conductivity

W/mKElectric resistance

μΩ·cm916 (≥)413 (≥)213431Solution and Aging, Annealing, Ausaging, Q+T,etcTemp.

°C/°FCreep strain limit

(10000h)

(Rp1,0) N/mm2Creep rupture strength

(10000h)

(Rp1,0) N/mm2------

2.4668 Range of products

Product typeProductsDimensionProcessesDeliver StatusPlates / SheetsPlates / Sheets0.08-200mm(T)*W*LForging, hot rolling and cold rollingAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot BlastingSteel BarRound Bar, Flat Bar, Square BarΦ8-1200mm*LForging, hot rolling and cold rolling, CastBlack, Rough Turning, Shot Blasting,Coil / StripSteel Coil /Steel Strip0.03-16.0x1200mmCold-Rolled & Hot-RolledAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot BlastingPipes / TubesSeamless Pipes/Tubes, Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion, Cold Drawn, WeldedAnnealed, Solution and Aging, Q+T, ACID-WASHED

DIN 2.4668用于哪些應(yīng)用？

海洋工程

化學(xué)和碳?xì)浠衔锛庸ぴO(shè)備

汽油和淡水罐

原油蒸餾器

除氣加熱器

鍋爐給水加熱器和熱交換器

閥門、泵、軸、配件和緊固件

工業(yè)熱交換器

氯化溶劑

原油蒸餾塔