Product Overview
18Ni300 Maraging Steel Bar overview
18Ni300 Maraging Steel Bar belongs to Special Steel and the High-Strength Steel catalogue. Use the linked category and series pages to compare adjacent grades, shapes, and processing paths before requesting a quote.
Key Benefits
Selection notes based on available product data
- 18Ni250, 18Ni300, and 18Ni350 support maraging steel strength requirements
- Aermet 100 should link to aerospace and defense applications
- 18Ni300 bar, shaft, billet, or forging supply for machining, heat treatment, and load-bearing components; suitable for ultra-high-strength or maraging steel orders where heat treatment, toughness, hardness, and UT scope drive supplier comparison
- Testing support can include EN 10204 MTC review, Chemical composition check, Dimensional inspection.
Technical Specifications
Confirmed and requirement-based information
| Property | Specification |
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| Material family | Special Steel |
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| Product category | High-Strength Steel |
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| Grade | 18Ni300 |
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| Standards | ASTM A29/A29M general requirements for steel bars by grade and heat treatment |
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| RFQ route | Bars & Forgings |
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| Procurement focus | 18Ni300 bar, shaft, billet, or forging supply for machining, heat treatment, and load-bearing components; suitable for ultra-high-strength or maraging steel orders where heat treatment, toughness, hardness, and UT scope drive supplier comparison |
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| RFQ data needed | RFQ data should state grade, equivalent standard, shape, size, tolerance, quantity, heat treatment or surface condition, and destination. |
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| Processing plan | Processing plan is driven by Heat Treatment, Cutting & Welding, Precision Machining, heat treatment scope, certificate level, and export routing. |
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| Packaging | Bar and forging orders can use strapped bundles or crates, end marking, anti-rust wrapping, and heat-number traceability. |
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Material Construction
Supply preparation structure
Base material18Ni300 within Special Steel
Shape preparationBars & Forgings
Optional processingHeat Treatment / Cutting & Welding / Precision Machining
Export protectionBar and forging orders can use strapped bundles or crates, end marking, anti-rust wrapping, and heat-number traceability.
Recommended Applications
Application fit connected to this product
- Aerospace & DefenseHigh-strength steel, maraging steel, nickel alloys, and precision alloys for demanding structural and precision parts.
- Mold & ToolingTool steel, maraging steel, and high-strength special steels for molds, dies, and precision tooling.
- Precision MachinerySpecial alloy bars, plates, pipes, and strips for precision machinery, machined parts, and industrial equipment.
- Automotive & Gear ManufacturingCarburizing steel, gear steel, and alloy structural steel for shafts, gears, and powertrain components.
Customization Options
Quote details that can be confirmed before production
- Bars & Forgings: Round, bright, ground, passivated, hexagonal, custom profile bars, alloy steel forgings, and hot die forged components.
- Heat Treatment
- Cutting & Welding
- Precision Machining
- Prioritize heat treatment condition, hardness target, machining allowance, UT requirement, and mechanical test report.
- Alloy focus: ultra-high-strength or maraging steel orders where heat treatment, toughness, hardness, and UT scope drive supplier comparison.
- Procurement route: bar, shaft, billet, or forging supply for machining, heat treatment, and load-bearing components.
Testing & Quality Support
Inspection topics for quote preparation
- EN 10204 MTC review
- Chemical composition check
- Dimensional inspection
- Ultrasonic testing for plate, bar, or forging orders when required by standard or drawing
- Heat treatment chart and hardness verification
- Mechanical property verification by heat and delivery condition
Documents
Useful resources and document status
- Alloy Grade ComparisonCompare nickel alloys, stainless steel, special steel, and precision alloys by standard, equivalent grade, strength, corrosion resistance, temperature range, and processing route.
- Special Steel Heat Treatment GuideConnect alloy structural steel, high-strength steel, maraging steel, and tool steel grades with heat treatment, hardness targets, machining stability, and inspection reports.
- FAQPractical answers for overseas buyers requesting alloy and special steel stock, processing, certificates, inspection, packing, and delivery.
- Technical data sheetRequest chemistry, mechanical properties, heat treatment condition, dimensional tolerance, PMI scope, and certificate level for this exact grade.
- Material Test Certificate and traceabilityMTC to EN 10204 standards, EN 10204-3.1 support, heat number traceability, and stamped reports can be reviewed before quotation.
