Graphite Crucible – Technical Specification

image_pdfimage_print

High Purity Graphite Crucible

High purity graphite and widely used in the gold, silver and other noble metal’s melting. If it’s used in oxygen atmosphere, it will start to be oxygenized when the temperature is higher than 700-800°C. If it’s used in the protective atmosphere, it can stand more than 2000°C.

PropertyUnitTest resultTypical value
Ash%0.06≤0.08
Bending StrengthMpa40≥30
Compressive StrengthMpa75≥55
Electric ResistivityμΩm1311–15
Shore HardnessHS45≥40
Bulk Densityg/cm31.78≥1.75

 

GSK Grade Graphite Crucible

PropertyUnitTypical value
Densityg/cm3≥1.74
Bending strengthMpa≥14.5
Compressive strengthMpa≥32
Electric resistivityμΩm≤8
Shore hardnessHS0.8
Ash%≤2.5

Dimensions

Honsin group designs with customers the most suitable graphite crucible in different sizes and types. We also provide under customers’ specific drawings.

Standard aluminium melting graphite crucible

Grade

Top diameter

(mm)

Bottom diameter

(mm)

Height

(mm)

Appox. Alu. quantity contain

(kg)

HS1500

780

450

890

510

HS 1250

720

470

905

450

HS 1200

780

450

760

390

HS 1100

720

480

850

370

HS 1000

725

470

780

370

HS 900

720

480

730

360

HS 800

710

410

680

310

HS 700

600

350

780

310

HS 650

600

330

710

280

HS650

650

330

650

260

HS593

620

330

610

246

HS 530

580

450

640

230

HS 502

530

330

720

200

HS 501

530

330

760

220

HS 443

580

330

600

201

HS 401

480

380

570

140

HS 400

530

340

680

162

HS 350

460

340

670

130

HS 333

610

340

450

120

HS 300

455

340

590

110

HS 313

530

330

530

144

HS 303

500

340

500

115

HS 253

450

340

450

91

HS 220

400

280

550

95

HS 250-1

430

300

590

80

HS 200

388

275

500

75

HS 150

365

260

460

60

HS 120

355

235

450

55

S1500

790

530

800

S1200

715

480

750

S1000

715

480

720