Material 1.5752

Case hardening steel

The material 1.5752 is a chrome-nickel case-hardened steel.
15NiCr13 / 14NiCr14 has very good polishability, toughness
and core strength.
We keep this material for you in our warehouse in Erkrath
in round and flat dimensions in stock. We're also happy to saw
your desired size.

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Standards

HDIN / EN	US-Standard	AFNOR	UNI	JIS	request
15NiCr13/14NiCr14	AISI 3310 SAE E3310 UNS G33106			SNC815H SNC815HRCH SNC815RCH SNC815WCH	request

Material Category: Case hardening steel

Applications

Highly stressed pinion shafts, gear wheels,

Bevel and crown wheels, cardan joints,

Cardan shafts, bolts, journals

Heat Treatment

Carburizing 880 - 980 C°
Core hardness 840 - 880 C°
Edge hardness 780 - 820 C°
Temper at 150 - 200 C° for at least 1 hour

Weldability

The material 1.5752 can be welded

Chemical Composition

C %	Si %	Mn %	P %	S %	Cr %	Ni %
0,14 - 0,20	max 0,40	0,40 - 0,70	max 0,025	max 0,035	0,60 - 0,90	3,00 - 3,50

Product Specifications

DIN EN 10084
DIN EN ISO 683-3
DIN EN 10277-4

Mechanical Properties

1.5752 / 14NiCr14 Steel bar
Treated for hardness margin	Hardness [HB 30]
<= 150 mm	179 - 229 HB 30

treated for ferrite-pearlite structure and hardness span
<= 60 mm	166 - 217 HB 30

Soft annealed	<= 229 HB 30

Core case hardening	Yield strength (Re)	Tensile strength (Rm)	Elongation (A5,65)	Constriction (Z)	Impact Test (DVM)
<= 11 mm	>= 835 N/mm²	1.030 - 1.320 N/mm²	>= 9 %	>= 40 %	>= 55 Joule
<= 30 mm	>= 785 N/mm²	930 - 1.230 N/mm²	>= 10 %	>= 45 %	>= 55 Joule
<= 63 mm	>= 735 N/mm²	880 - 1.180 N/mm²	>= 10 %	>= 45 %

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