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ASTM:P20+Ni; DIN:1.2738; GB:3Cr2Mo+Ni; JIS:PX4; ASSAB:718

HUBEI RISING TECHNOLOGY CO., L

ASTM:P20+Ni; DIN:1.2738; GB:3Cr2Mo+Ni; JIS:PX4; ASSAB:718

Place of Origin : HUBEI

Model Number : P20+Ni; 1.2738;3Cr2Mo+Ni

Certification : CQC

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Product Name:Pre-hardened Plastic Mould STEEL ---GB 3Cr2MnNiMo

Similar steel grades:

U.S.A

P20+Ni

German

1.2738

Austria

M238

Sweden

718

China

3Cr2MnNiMo

Chemical composition:

Standard

Steel Grade

C

Si

Mn

P

S

Cr

Mo

other

DIN

1.2738

0.35-0.45

0.20-0.40

1.30-1.60

0.035

0.035

1.80-2.10

0.15-0.25

Ni 0.90-1.20

ASTM

P20+Ni

-

-

-

-

-

-

-

--

GB

3Cr2MnNiMo

0.32-0.40

0.20-0.40

1.10-1.50

0.030

0.030

1.70-2.00

0.25-0.40

Ni 0.85-1.15

Principal Feature:

1. prehardened to 284-332HB(30-36HRC),it is easy maching ,deformation effective by hardened could off

2. EFFER on ESR steel echibitws a high purity. It is suited for spark erosion and mirror-like production

3. there is uniform hardness over over cross-section of large size.

4. can harden again to 40HRC.

Typical Application:

used for long life or large size plastic mould and want polish to mirror like plastic dies. Suitable for manufacturing low melting point alloy die casting., thermoplastic blow molding mold. heavy mold main components.

Heat Treatment:

Forge: at 900℃-1100℃ Cool slowly and anneal immediatedly

Anneal: at 710℃-740℃ Cool slowly in furnace

Stress Relieve: at to 530℃-580℃ Cool in still air

Harden: Preheat at 500℃-550℃ raise to 840℃-880℃ Cool in air, iol or into salt bath held at 200℃-300℃ and then air or oil cooling according to the steel shape and size.

Size available:

Bars

Turned

Dia 90-505mm

Black

Dia 60-550mm

Plats

Milled

T: 70-320 W: 90-1000mm

Black

T: 50-320 W: 90-1000mm

KEY WORDS: SPECIAL STEEL, PLASTIC MOULS STEEL, STEEL BAR, STEEL FLAT, PRE-HARDENED PLASTIC MOULD STEEK . ASTM P20+Ni, DIN 1.2738, GB 3Cr2MnNiMo, ASSAB 718, M238


Product Tags:

P20+Ni plastic mold steel

      

1.2738 plastic mold steel

      

3Cr2Mo+Ni plastic mold steel

      
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ASTM:P20+Ni; DIN:1.2738; GB:3Cr2Mo+Ni; JIS:PX4; ASSAB:718 Images

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