Данные Товара
Product Name: PLASTIC MOULD STEEL---NAK80 / GB 10Ni3MnCuAl
Size Available:
Plate bar: Milled：T: 70-320mm W: 90-1000mm
Black：T: 50-320mm W: 90-1000mm
Length：2m—6m
Round bar: Turned：Dia 90-505mm
Black：Dia 60-550mm
Detailed Description
Principal Design Features
age-hardened for uniformity of hardness throughout, even in heavy section. when welded, leaves no witness lines after re-aging, uniform grain structure with no pin holes, inclusions or hard spots.never needs stress relieving, even after heavy maching, super polishability, even over welded areas .Very good workability and mirror polishing property, suitable for thermoset molding of general resin.
Pre-hardened to HRC36-43, ,heat treatment and deformation could off.
Solution treatment and heat treatment to HRC36-43.
Applications
Used for high precision mirror plastic mould, high appearance home electronic plastic mould, clear lens molds.
extremely critical diamond finish applications, molds requiring special EDM finish
Technique: EF/ ESR (melting) + forging+ hot rolled +annealed
steel grade: NAK80
Delivery condition: EAF+LF+VD+(ESR),forged, annealed, UT tested, peeled or machined
Tolerance: 0/+2mm
UT grade: SEP1921,Group3, class D/d
Payment item: T/T,L/C
Chemical Composition(for reference only):
AISI (H10): C: 0.1-0.2 Mn: 1.4-2.0 Si: 0.45max Al: 0.7-1.3 Ni: 2.9-3.4 Cu: 0.8-1.2 Mo: 0.2-0.5 V: 0.25-0.75 P: ≤0.03 S: ≤0.03
Equivalent Grades:
GB：10Ni3MnCuAl
JIS：NAK80
Heat Treatment:
Harden: Preheat at 840℃- 870℃ Cool in air, iol or into salt bath held at 200℃- 500℃ and then air cool.
Solid solution : at 850℃ Cool in air
Aging : at 520℃-540℃ Cool in air
Shaping: Hot forged / Hot rolled
Surface condition: Black surface/ turning / milling / peeling / polishing.
Weight(kg): Round bar=0.00617*R*R*L
Flat bar=0.00785*T*W*L
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Деловые Данные
13-04-2014
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