Product Overview
17-4PH / SUS630 / 1.4542 Stainless Steel Round Bar overview
17-4PH / SUS630 / 1.4542 Stainless Steel Round Bar belongs to Stainless Steel and the Precipitation Hardening Stainless 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
- 17-4PH / SUS630 / 1.4542 is the core PH grade
- 15-5PH supports tighter aerospace and precision component demand
- Stock status to be confirmed before quotation
- Testing support can include Material Certificates, Chemical Composition, Dimensional Inspection.
Technical Specifications
Confirmed and requirement-based information
| Property | Specification |
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| Material family | Stainless Steel |
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| Product category | Precipitation Hardening Stainless Steel |
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| Grade | 17-4PH |
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| Equivalent grades | SUS630 / 1.4542 / UNS S17400 |
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| Standards | GB, JIS, ASTM, or EN requirements should be confirmed by grade, form, size, and delivery condition. |
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| Shape | Bars & Forgings |
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| Stock status | Stock status to be confirmed before quotation |
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| Standard sizes | Available standard stock sizes by shape can be listed after inventory data is confirmed. |
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| Lead time | Lead time depends on grade, size, quantity, processing, and inspection requirements. |
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| Packaging | Export packing can be confirmed by size, weight, surface condition, and destination. |
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Material Construction
Supply preparation structure
Base material17-4PH within Stainless Steel
Shape preparationBars & Forgings
Optional processingCutting & Welding / Precision Machining
Export protectionExport packing can be confirmed by size, weight, surface condition, and destination.
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.
- Precision MachinerySpecial alloy bars, plates, pipes, and strips for precision machinery, machined parts, and industrial equipment.
- Oil & GasNickel alloys, duplex stainless steel, and alloy steel for corrosive, pressure, and energy equipment environments.
- Chemical ProcessingCorrosion-resistant nickel alloys and stainless steel for chemical equipment, pipe systems, and process parts.
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.
- Cutting & Welding
- Precision Machining
- Size, tolerance, heat treatment, surface condition, packaging, and destination should be included in the RFQ.
Testing & Quality Support
Inspection topics for quote preparation
- Material Certificates
- Chemical Composition
- Dimensional Inspection
- Ultrasonic Testing
- Mechanical Properties
- Surface Inspection
Documents
Useful resources and document status
- Alloy Grade ComparisonFuture comparison area for nickel alloys, stainless steel, special steel, and precision alloy grades.
- Stainless Steel Grade GuideGuide area for duplex, austenitic, martensitic, and ferritic stainless steel grades.
- FAQQuestion-and-answer area prepared for overseas alloy and special steel buyers.
- Technical data sheetAvailable according to application requirements.
- 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.
