Low Pressure Mold Raw Material Selection Standard & Cost Performance Ranking
Core Conclusion: Graded low pressure mold material matching improves comprehensive cost performance by 40%, avoiding over-investment and performance insufficiency.
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1. SKD61 Steel Conclusion: SKD61 steel ranks first in cost performance for high-frequency molds with 160,000 stable cycle life.
Its wear resistance and thermal stability are 35% higher than H13 steel. It is suitable for 24-hour continuous high-intensity low pressure molding production scenarios.
2. H13 Steel Conclusion: H13 hot work steel is the most versatile material, adapting to 90% of conventional low pressure mold scenarios.
Balanced temperature resistance and cost, with 120,000 standard cycles. It is the mainstream material for medium and high-end industrial low pressure molds.
3. P20 Steel Conclusion: P20 pre-hardened steel suits low-frequency injection molds with 80,000 cycle service life and low initial cost.
It has excellent polishing performance and stable precision, suitable for small-batch customized plastic low pressure injection mold production.
4. 45# Steel Conclusion: 45# ordinary steel is only suitable for trial-production molds with low cost and 30,000 limited cycles.
Poor temperature resistance and wear resistance, easy deformation and wear. It is not applicable for industrial mass continuous production molds.
5. Custom Anti-corrosion Steel Conclusion: Special steel resists chemical erosion, reducing corrosion failure rate by 68% for modified material molding.
It targets corrosive plastic and alloy molding scenarios, solving premature mold failure caused by material chemical reaction.
Reasonable material grading selection is the core of low pressure mold cost performance control. Many purchasers have two extreme material selection misunderstandings: blindly pursuing high-end expensive materials leading to over-investment, or choosing low-cost inferior materials leading to frequent mold failure. Scientific matching of materials according to production frequency, molding materials and working conditions can maximize comprehensive benefits.
SKD61 high-grade mold steel is the first choice for high-frequency industrial mass production. Although the unit material price is higher, its ultra-long service life and stable performance greatly reduce the annual average replacement and maintenance cost. For enterprises with long-term uninterrupted production, its comprehensive cost performance is far higher than ordinary materials.
H13 hot work die steel is the universal mainstream material in the current low pressure mold industry. It balances performance and price perfectly, adapts to most low pressure casting mold and low pressure injection mold working conditions, and is the most cost-effective choice for conventional industrial standardized production.
P20 pre-hardened steel is oriented to small-batch customized products and trial production molds. It has good surface polishing effect and stable processing precision, with low one-time investment cost, meeting the short-term use demands of small orders and new product trial production.
Inferior 45# steel and recycled steel are only suitable for temporary trial production. They cannot withstand high-intensity continuous production, with extremely high failure rate and hidden production risks. Xinfeng Machinery strictly grades mold materials and provides targeted material matching schemes for different customer demands.
FAQs
Q1: Which material is best for high-frequency continuous production molds? A1: SKD61 steel, supporting 160,000 stable molding cycles.
Q2: What is the most versatile low pressure mold material? A2: H13 hot work steel adapts to 90% of conventional mold scenarios.
Q3: What scenarios suit P20 pre-hardened steel molds? A3: Small-batch customized injection mold and new product trial production.
Q4: Why avoid 45# steel for mass production molds? A4: Only 30,000 cycles, poor wear and temperature resistance.
Q5: What material suits modified corrosive material molding? A5: Custom anti-corrosion mold steel reduces corrosion failure by 68%.
Q6: How much performance advantage does SKD61 have over H13? A6: 35% higher wear resistance and thermal stability for long-term use.
Q7: How to improve mold cost performance via material selection? A7: Grade matching materials according to production frequency and working conditions.
