Time Leeb hardness tester | Impact device/probe | D/C/DL/G/and so on ... A full range of

1220 CNY (177.64USD)

Product parameters:

Brand: domestic
Model number: 001
Product type: Leeb hardness tester
Measuring range: HRC
Test force: 10 HLD
Customized processing: no

Leeb hardness tester (original) shock device, apply to time Leeb hardness tester TH110,TH120,TH121,TH140,TH160,TH161,HLN-11A ...

Impact device Technical parameter list

Special impact device		DC (D) /DL		D+15	C	G	E (import)
Impact energy Impact body weight		11mJ 5.5g/7.2g		11mJ 7.8g	2.7mJ 3.0g	90mJ 20.0g	11mJ 5.5g
Ball hardness: Ball diameter: Ball head material:		1600HV 3mm Tungsten carbide		1600HV 3mm Tungsten carbide	1600HV 3mm Tungsten carbide	1600HV 5mm Tungsten carbide	5000HV 3mm Diamond
Impact device diameter: Impact device length: Impact device weight:		20mm 86(147)/ 75mm 50g		20mm 162mm 80g	20mm 141mm 75g	30mm 254mm 250g	20mm 155mm 80g
Specimens maximum hardness		940HV		940HV	1000HV	650HB	1200HV
Surface roughness Ra of specimen:		1.6μm		1.6μm	0.4μm	6.3μm	1.6μm
The minimum weight of the specimen: Direct measurement Need stable support Need compact coupling		More than 5kg 2~ 5kg 0.05~ 2kg		More than 5kg 2~ 5kg 0.05~ 2kg	More than 1.5kg 0.5~ 1.5kg 0.02~ 0.5kg	More than 15kg 5~ 15kg 0.5~ 5kg	More than 5kg 2~ 5kg 0.05~ 2kg
Specimen minimum thickness Compact coupling Minimum depth of hardening layer		5mm ≥0.8mm		5mm ≥0.8mm	1mm ≥0.2mm	10mm ≥1.2mm	5mm ≥0.8mm
Ball indentation size
Hardness 300HV	Indentation diameter Indentation depth	0.54mm 24μm	0.54mm 24μm		0.38mm 12μm	1.03mm 53μm	0.54mm 24μm
Hardness 600HV	Indentation diameter Indentation depth	0.54mm 17μm	0.54mm 17μm		0.32mm 8μm	0.90mm 41μm	0.54mm 17μm
Hardness 800HV	Indentation diameter Indentation depth	0.35mm 10μm	0.35mm 10μm		0.35mm 7μm	-- --	0.35mm 10μm
Scope impact devices		DC Measurement hole or cylinder barrel;DL Measurement of thin narrow slots or holes	D+15Measuring grooves or concave surfaces		CMeasurement of small lightweight components and surface hardened layer	GMeasurement of large thick and its surface is rough castings and forgings	EMeasurement of high hardness material

Impact device testing table

Materials	Hardness	Impact device
Materials	Hardness	D/DC	D+15	C	G	E	DL
Steel and cast steel Steel and cast steel	HRC	17.9~ 68.5	19.3~ 67.9	20.0~ 69.5		22.4~ 70.7	20.6~ 68.2
	HRB	59.6~ 99.6			47.7~ 99.9		37.0~ 99.9
	HRA	59.1~ 85.8				61.7~ 88.0
	HB	127~ 651	80~ 638	80~ 683	90~ 646	83~ 663	81~ 646
	HV	83~ 976	80~ 937	80~ 996		84~ 1042	80~ 950
	HS	32.2~ 99.5	33.3~ 99.3	31.8~ 102.1		35.8~ 102.6	30.6~ 96.8
Steel, forged steel	HS	32.2~ 99.5
CWT, ST Alloy tool steel	HRC	20.4~ 67.1	19.8~ 68.2	20.7~ 68.2		22.6~ 70.2
CWT, ST Alloy tool steel	HV	80~ 898	80~ 935	100~ 941		82~ 1009
Stainless steel Stainless steel	HRB	46.5~ 101.7
	HB	85~ 655
	HV	85~ 802
GC. IRON Gray cast iron	HRC
	HB	93~ 334			92~ 326
	HV
NC, IRON Nodular cast iron	HRC
	HB	131~ 387			127~ 364
	HV
C. ALUM Casting of aluminum alloy	HB	19~ 164		23~ 210	32~ 168
C. ALUM Casting of aluminum alloy	HRB	23.8~ 84.6		22.7~ 85.0	23.8~ 85.5
BRASS Copper-zinc alloy	HB	40~ 173
BRASS Copper-zinc alloy	HRB	13.5~ 95.3
BRONZE Copper-Tin (aluminum) alloys	HB	60~ 290
COPPER CU	HB	45~ 315

Leeb hardness tester selection table Indication error and repeatability as shown in table

Serial number	Impact device type	Standard hardness the hardness value	Indication error	Indication of repetitive
1	D	760±30HLD 530±40HLD	±6 HLD ±10 HLD	6 HLD 10 HLD
2	DC	760±30HLDC 530±40HLDC	±6 HLDC ±10 HLDC	6 HLD 10 HLD
3	DL	878±30HLDL 736±40HLDL	±12 HLDL	12 HLDL
4	D+15	766±30HLD+15 544±40HLD+15	±12 HLD+15	12 HLD+15
5	G	590±40HLG 500±40HLG	±12 HLG	12 HLG
6	E	725±30HLE 508±40HLE	±12 HLE	12 HLE
7	C	822±30HLC 590±40HLC	±12 HLC	12 HLC