1.2316

1.2316 plastic mold steel

1.2316 plastic mold steel has 17% chromium element, its corrosion resistance and polishing performance are great, pre-hardening hardness is 34 – 40 HRC. 2316 steel material has great mechanical properties, so it is widely used in the plastic mould industry.

2316 Steel Application

1. Die-Casting Mold
2.Injection Mold
3. Extrusion Die
4. Precision stamping die
5. Cold extrusion molding die
6. Standard formwork
7. Various silicon steel sheets and high-speed punching dies

2316 Steel Heat Treatment

1.Forging temperature is 105℃ – 850℃.
2.Annealing: Heat temperature is 750℃ – 800℃, keeps warm for 1h – 3h, then furnace cooling.
3.The temperature of first-time pre-heat for the quenching is 550℃ – 650℃. The second time is 800℃ – 850℃. Then raise it to 1020℃ – 1050℃. Using air cooling and oil quenching.
4.For the tempering, heating to 180℃ – 200℃, then air cooling.
5.Temperature is 200℃ – 600℃ for the second time of heating. But you need to choose the temperature according to the requests.

1.2316 · 420 Stainless Mold Steel · Complete Data
1.2316 · 420 STAINLESS MOLD STEEL Corrosion-resistant plastic mold steel

Round Bar / Sheet Plate Supply

Type Specification Surface
Round Bar Dia 18-500mm; Length: Can be customized Black Surface / Bright Surface / Grinded / Peeled / Turned
Sheet / Plate / Slab Thickness: 20mm-400mm; Width: Max 810mm; Length: Can be customized Black Surface / Bright Surface / Grinded / Peeled / Turned

Steel Grade Equivalent Chart

Country China USA Germany Japan UK
Standard GB AISI DIN JIS BS 4659
Grades 4Cr16 420 1.2316 SUS420
Note: The table is for reference only. The values are approximate equivalents.
CHEMICAL COMPOSITION

DIN 1.2316 Steel Chemical Composition

Grade C (%) Si (%) Mn (%) P (%) S (%) Cr (%) Mo (%) Ni (%)
1.2316 0.33-0.45 ≤1.00 ≤1.50 ≤0.030 ≤0.030 15.5-17.5 0.80-1.30 ≤1.00
PHYSICAL & MECHANICAL PROPERTIES

1.2316 Steel Physical Properties

Thermal Conductivity (W/m·K) 20-100°C 20-200°C 20-300°C 20-400°C Specific Heat (J/kg·°C)
At 20°C 11.0 11.1 11.4 11.7 460

1.2316 Steel Mechanical Properties

Hardness (HB) Rp 0.2 Yield Strength Rm Tensile Strength Elongation (%) Reduction of Area (%) Elastic Modulus
HB MPa ksi MPa ksi GPa ksi
300 855 124 1020 148 13 38 205 29733
📌 Material Summary
  • Type: Stainless plastic mold steel
  • Delivery Condition: Quenched and tempered
  • Hardness Range: 280-325 HB (approx. 29-35 HRC)
  • Key Characteristics: Excellent corrosion resistance, good polishability, high wear resistance
  • Typical Applications: Plastic injection molds for corrosive materials, medical molds, food industry molds
Steel Weight Calculator | Precision Tool

⚡ Steel Weight Calculator

Precision Weight Calculator for Steel Sections

⚙️ Density: 7.85 g/cm³ (7850 kg/m³)

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