Plastic mold steel

Customize your plastic mold steel to any delivery condition and size with Keyspark Steel.

Plastic Mold Steel Grades Chart

No.

DIN / EN

AISI / ASTM

ISO

JIS

GB

SS

BS

GOST

KS

1

1.2316 / X38CrMo16

420J2(Modified)

X36CrMo17

SUS420J2

3Cr17NiMo

1.2316 / X38CrMo16

1.2316 / X38CrMo16

1.2316 / X38CrMo16

2

1.2085 / X33CrS16

420F / 420FM

1.2085 / X33CrS16

SUS420F / SUS420J2

3Cr16NiMoVS

3

1.4021

420

X20Cr13

SUS420J1

2Cr13

2303

420S29 / 420S37

20KH13 (20Х13)

4

1.2083 / X40Cr13

420 / 420J2

X39Cr13

SUS420J2

4Cr13

2304

X39Cr13

40KH13 (40Х13)

5

SNCM616

SNCM616V

6

GEST80

P21 (modified)

NAK80

10Ni3MnCuAl

7

1.2311

P20

35CrMo7

SCM4

3Cr2Mo

8

1.2312

P20+S

3Cr2MnS

Our Most Popular Plastic Mold Steel Grades

1.2316 | X38CrMo16 | 3Cr17NiMo

Our DIN 1.2316 (X36CrMo17) is a corrosion-resistant plastic mold steel with high chromium content. It is pre-hardened to 280-325 HB, featuring excellent polishability. It resists corrosion and acidic plastics such as PVC. Suitable for high-finish injection molds, food and medical industry applications.

2Cr13 | 1.4021 | SUS 420J1 | X20Cr13

2Cr13 martensitic stainless steel is fully sized, easily machinable in annealed condition with MTC provided. It achieves 30–35 HRC after quenching and tempering, offering high cost performance and good fresh water & mild corrosion resistance. Ideal for molds, turbine blades and medical tools, with batch customization and fast delivery available.

Our SNCM616V forged round steel Φ80-600mm, custom size and shape available. Adjustable composition and special heat treatment for heavy-duty gears and breaker pistons. Large orders and custom drawing service offered with high strength, toughness and full test reports.

1.2085 | 420F | X33CrS16 | SUS420J2F

1.2085 is a uniform corrosion-resistant plastic mold steel with great polishability and machinability. We provide custom-sized forged and hot rolled steel with composition and heat treatment options. Full international grades, stable bulk supply and MTC reports for your long-term cooperation, MOQ 2 tons.

4Cr13 | 1.2083 | X40Cr13 | 40X13

4Cr13 is a high-hardness stainless mold steel with dense and uniform structure, featuring excellent wear resistance, rust resistance and machinability, ideal for anti-corrosion molds and mechanical component applications.

P20 | 35CrMo2 | 3Cr2Mo | 618

Keyspark Steel produces AISI P20 as a premium pre-hardened plastic mold steel with balanced comprehensive mechanical properties, superior polishability and excellent machinability, widely applied to the production of large injection and blow molds.

Why choose Keyspark Steel's plastic mold steel

Keyspark Steel is a leading supplier of plastic mold steel in China. delivering precision and reliability for your mold making needs.

We can provide you with these popular sizes(For steel plate, steel block, steel round bar and steel flat bar):

Customize all plastic mold steel according your requirements. If you need special sizes, we can also do for you.

Plastic Mold Steel Inventory

Your Reliable Plastic Mold Steel manufacturer

Keyspark Steel supplies plastic mold steel with customized delivery conditions based on client requirements.

We provide various processing services including black surface, peeled surface (Steel round bar), Turned surface (Steel round bar), Milled surface (Steel flat bar, steel block), Grinded surface, Polished surface, along with professional heat treatment options such as annealing and quenching and tempering.

Just provide your specific specifications and delivery conditions, and our team will offer you exclusive quotes and customized solutions in the first place. Welcome to message now!