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HIGH SPEED STEEL, HIGH STRENGTH ALLOY STEEL 1.3355/HS18-0-1/SW18

Group High Speed Tool Steel Bars
Min. Order 1 ton
Terms of Payment L/C, T/T
Update Time 2019-10-15
Item specifics
Delivery conditionAnnealed
SurfaceBlack, Bright
MOQ1 TON

HIGH-SPEED STEEL

Standard: ISO 4957

STEEL GRADE:1.3355/HS18-0-1/SW18

APPLICATION:

Steel susceptible to roughing and finishing tools, for the tools working on average strength materials, e.g. turning, slotting and planing tools, mills, drills, threading dies, reamers and blades and profile cutting tools etc.

CHEMICAL COMPOSITIOn

CSiMnPSCrMoWVCoNi
0,73-0,83Max 0,45-Max 0,030Max 0,0303,80- 4,50-17,12-18,701,00-1,20--

MECHANICAL PROPERTIES:

Hardness afterTempering ºCSymbolValue
Soft annealinhHB≤269
Quenching with 1260 ºC in oilHRC63
Quenching with 1260 ºC in oil and tempering (cooling during quenching can be performed gradually in the salt bath at the temperature of around 550 ºC and then cooled in the air)350HRC62
400HRC62
450HRC63.5
500HRC64.5
550HRC65
600HRC63
650HRC59
700HRC48

PHYSICAL PROPERTIES:

PropertyUnitValue
Density, ρg*cm-38.61

TECHNOLOGICAL TREATMENT PROCESSES:

Technological treatment processesPossible applicationTemperature, °C
Hot formingForging+1150-900
Rolling+1150-900
Heat treatmentSoft annealing+800-900
Stress relieving+600-700
QuenchingHeating I+~550
Heating II+850
Austenitising+1230-1270
Tempering+550-570
Surface treatmentNitriding+510-530
Coat application+PVD

INTERNATIONAL STEEL GRADES:

ISOCENRussia
HS18-0-1ISO 4957:2004HS18-0-1ISO 4957:2004R18GOST 19265-73
USJapanChina
T1ASTM A 600-92SKH 2JIS G 4403-1983W18Cr4VGB 9943-88