Hot Forged Die Block 1.2738 718H P20+Ni HRC33-38 Black Surface
MillingProduct Introduction718H is a vacuum-melting
chromium-nickel-molybdenum alloy steel that has been hardened and
tempered before it leaves the factory. It offers the following
advantages: No risk of quench cracking and heat treatment; no need
for heat treatment; shorten the cycle time; Cost (for example,
without overseas Chinese is deformation); easy to amend the mold;
nitriding and surface hardening can be applied to improve the mold
surface hardness and wear resistance.718H steel is pre-hard mirror
anti-acid plastic mould steel. The steel pre-hardened, uniform
material, high cleanliness, excellent polishing performance and
lithography. Also has high hardenability, good electrical
processing performance and striae processing performance.
Pre-hardened steel without quenching can also be used for the mold
bore, flange flame hardening can be implemented, the hardness can
be increased to 52HRC.FeaturesGood machining performance 2.
Excellent polishability 3. Uniform hardness 4. High
hardenabilitySimilar
StandardsChineseAmericanGermanJapaneseSwedishGBAISIDINJISASSAB3Cr2NiMnMoP20+Ni1.2378PDS5S718Chemical
CompositionGradesCSiMnPSMoNi1.27380.35-0.460.2-0.41.3-1.6≤0.035≤0.0050.15-0.250.9-1.2718/3Cr2NiMnMo0.28-0.400.2-0.80.6-1.0≤0.030≤0.0300.30-0.550.8-1.2P20+Ni0.32-0.400.2-0.41.0-1.5≤0.030≤0.0350.30-0.550.8-1.2Heat
TreatmentQuenchingTemperingHeating
Temperature/ºCCoolingHardness/HRCHeating
Temperature/ºCCoolingHardness/HRC840-870Air≥50550-640Air28-36 Applications1Skin,
pear skin, imitation stone etching mold. 2. Transparent plastics
such as pencil cases, daily necessities containers, high gloss
requirements mold.3. Particularly suitable for hard rubber (PS) and
non-fragmented rubber (ABS) parts. 4. Automobile bumpers, interior
parts, refrigerators, air conditioners, etc. Stock Sizesteel
plate Hot
RolledThickness20-150mmWidth2200mmLength2000-8000mmHot
RolledThickness155-300mmWidth1600mmLength4000-8000mmsteel
block Thickness300-1000mm Width800-1600mm Length2000-6000mm Why
choose us?Quality Assurance from government owned steel mills At
Changfeng, we meticulously source materials only
from steel manufacturers to ensure consistency in providing
the finest quality steel products for our customers.Being in the
competitive market today, we clearly understand that customers are
looking for products that are not only best in class but also
affordably priced. We are confident that we are able to ful fil
these two equally vital aspects -our customers' continuous support
over the past two decades is the most heartfelt recognition to
us.Speedy and Timely DeliveryKnowing that delivering goods to
customers' hands on time is as important as providing quality
goods, we treat every business transaction as a priority. Be it a
raw material or a finished material with machining or heat
treatment, every effort will be made to get your purchase order to
you in the shortest lead time.Quality CommitmentIn order to realise
competitive products to fulfil our customers' demands and quality
considerations, our integrated quality and work management system
is continuously being improved and developed further. We document
this for our customers by having our quality management system
certified in accordance with ISO 9001. This measure is accompanied
by audits and recertification's on a regularly prescribed
basis.Our serviceWe provide quality special steel for all
industries.Orders of any size, any length, ship fastWe carry a
unique inventory of specialty special steelProvide related
value-adding services :metal cutting, sizing, machining (blanking,
milling, grinding), and heat treatment.Sawing for small or large
quantities, sawing-to-size.Excellent customer
serviceWorkshopQuality InspectionLoadingContact UsContact us for
the latest price and more details NOW! /* January 22, 2024
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