Introduction: What is S2 Powder and Why It Matters
In the rapidly evolving world of additive manufacturing, material innovation is paving the way for next-generation engineering applications. One standout material that has gained increasing attention from wholesale buyers, industrial suppliers, and 3Dプリンティング service providers is S2 powder. Known for its unique balance of mechanical strength, wear resistance, and thermal stability, S2 powder is becoming a go-to choice for industries ranging from aerospace to medical devices.
S2 powder typically refers to a type of martensitic tool steel alloy (similar to AISI S2), engineered for high-impact resistance and excellent toughness. When processed into spherical powder form, it becomes highly suitable for advanced manufacturing technologies such as 選択的電子ビーム溶解(SEBM) そして レーザー粉末床溶融法(LPBF).
For B2B buyers, the appeal of S2 powder lies in:
- High hardness and mechanical durability
- Excellent machinability and heat treatability
- Consistent particle morphology for uniform layer deposition
- Versatility across various additive manufacturing platforms
With the growing demand for stronger, more resilient parts in critical sectors, S2 powder emerges as a strategic material investment.
Industrial Applications of S2 Powder
S2 powder’s chemical composition and mechanical properties make it highly adaptable for a wide range of applications in industrial manufacturing. Below are the key sectors utilizing this robust alloy powder:
1.航空宇宙・防衛
- High-impact tooling components
- Molds for casting high-strength alloys
- Wear-resistant inserts and fixtures
2.自動車産業
- 製造 custom gears, engine partsそして brake components
- Repair and remanufacturing of high-performance parts
3.医療機器
- Surgical tools requiring high wear resistance
- Orthopedic and dental instruments subjected to repeated sterilization
4. Tooling and Die Casting
- こんな方に最適 cold work tooling, injection moldsそして extrusion dies
5.エネルギー部門
- で使用される。 turbine blade repairs そして drilling components
- Enhanced performance under high-pressure and high-temperature environments
| 産業 | ユースケース | ベネフィット |
|---|---|---|
| 航空宇宙 | Tooling inserts, molds | 高強度、耐疲労性 |
| 自動車 | Gears, engine parts, brake systems | 高い耐摩耗性 |
| 医療機器 | Surgical and dental tools | Sterilization tolerance |
| Tooling Industry | Cold work tools, extrusion dies | Extended tool life |
| エネルギー部門 | Turbine blades, drilling tools | 高温安定性 |
The growing complexity of component design in these industries demands materials like S2 powder that can withstand mechanical stress while maintaining precision — especially when processed using advanced 3D printing solutions.
Types, Properties, and Use Cases of S2 Tool Steel Powder
S2 powder is categorized based on particle size, morphology, and purity level, which directly impact its performance in additive manufacturing systems.
Key Properties of S2 Powder
| プロパティ | 説明 |
|---|---|
| 硬度 | 熱処理後HRC 60まで |
| 密度 | ~7.85 g/cm³ |
| 粒子形状 | Spherical (ideal for powder bed fusion) |
| 流動性 | High, due to smooth surface morphology |
| 酸素含有量 | < 0.05% (critical for AM performance) |
| 代表的な粒子径 | 15–45 μm (LPBF), 45–105 μm (DED/EBM) |
Use Cases Based on Manufacturing Process
- Laser Powder Bed Fusion (LPBF):
- Thin-wall structures for high-precision tools
- Lightweight components with internal channels
- Directed Energy Deposition (DED):
- Surface cladding of existing tools
- Repair of worn-out dies and industrial molds
- 選択的電子ビーム溶解(SEBM):
- Large parts requiring internal strength
- Components exposed to high temperatures
Shanghai Truer’s Contribution to the S2 Powder Market
Shanghai Truer Technology Co., Ltd, a pioneering leader in additive manufacturing, has invested heavily in the development and supply of high-quality spherical metal powders, including customized tool steels like S2. The company uses cutting-edge プラズマ回転電極プロセス(PREP) そして SEBM technology to produce powders with exceptional sphericality, purity, and performance.
- Over 10+ years in metal powder innovation
- Wide powder portfolio including TiNi, TiAl, CoCrMo, and tool steels
- 金属3Dプリンティング共同イノベーションセンター in collaboration with top institutions
- Full-service additive manufacturing solutions from testing to scaling
If you’re looking for a trusted supplier of advanced 3D printing powders like S2, Shanghai Truer offers the technical expertise and production capabilities to meet your needs.

Top Global Suppliers of S2 Powder
As the demand for high-performance materials like S2 powder grows, several global manufacturers and distributors have entered the market. For B2B buyers, understanding the supplier landscape is crucial for securing reliable and cost-effective sources.
Criteria for Evaluating Suppliers
When sourcing S2 powder in bulk, industrial buyers should consider:
- Powder Morphology & Purity – Particle uniformity is essential for additive manufacturing.
- 生産技術 – Advanced techniques like PREP and EIGA offer better quality.
- 認証と品質基準 – ISO, ASTM, and RoHS compliance ensure reliability.
- カスタマイズ機能 – Ability to tailor particle sizes or alloy compositions.
- 物流とリードタイム – Global shipping capabilities and consistent stock availability.
Top 5 S2 Powder Suppliers (2024)
| サプライヤー名 | 地域 | 主な特徴 | AM Capability |
|---|---|---|---|
| 上海Truer科技有限公司 | 中国 | PREP & SEBM technology, custom alloy solutions, lab R&D | ✅ |
| カーペンター添加剤 | アメリカ | Tool steel powders, atomized powder technology | ✅ |
| ヘガネスAB | スウェーデン | Large-scale powder metallurgy, tooling steels | ✅ |
| サンドビック積層造形 | スウェーデン | Premium metal powders, recycling-driven production | ✅ |
| EOS GmbH | ドイツ | Specialized AM materials, process development | ✅ |
Shanghai Truer stands out for its vertical integration — from powder production to additive equipment R&D — offering a one-stop solution for companies scaling their 3D printing capabilities.
For full product access, view their 3D printing powder catalog.
Why More Buyers Are Turning to Alternative Sourcing Channels
Global supply chain disruptions, rising raw material costs, and the need for localized manufacturing have reshaped procurement strategies for many industrial buyers. As a result, more companies are exploring alternative sourcing channels for high-performance powders like S2.
Benefits of Diversifying Supply Sources:
- Reduced Dependency on Legacy Suppliers
- Cost Optimization via Direct Manufacturer Engagement
- Access to Emerging Technologies and Custom Alloys
- Improved Delivery Schedules with Regional Producers
- Responsive Technical Support and R&D Collaboration
Shanghai Truer is a prime example of an alternative supplier that is gaining traction. By offering both powder production and additive manufacturing systems, they reduce the need for multiple vendors and streamline the supply chain.
They also offer:
✅ Custom particle size ranges (15–53 μm, 45–105 μm, etc.)
✅ Technical support for LPBF, SEBM, and DED systems
✅ Advanced lab testing for powder flowability, density, and thermal behavior
✅ Fast lead times for international B2B clients
Learn more about their technology-driven approach by visiting their homepage.

Why Choose Shanghai Truer as Your S2 Powder Supplier
For companies seeking a trusted, innovative, and responsive supplier of S2 powder, Shanghai Truer Technology Co., Ltd offers several competitive advantages that align with the needs of industrial buyers and additive manufacturing professionals.
1. End-to-End Additive Manufacturing Expertise
Unlike traditional powder suppliers, Truer integrates:
- パウダー製造 via PREP and SEBM
- 3D Printing Equipment Design
- カスタム合金開発
- Post-processing and Part Finishing
This vertical integration ensures material compatibility, reduced error rates, and higher ROI for customers.
2. Advanced R&D and Material Innovation
Shanghai Truer collaborates with top universities and research labs. Their 金属3Dプリンティング共同イノベーションセンター enables:
- Faster prototyping of new alloy compositions
- Testing under real-world industrial applications
- Joint development of customer-specific solutions
3. Strict Quality Control and Certification
Every batch of S2 powder undergoes:
- Flowability tests
- Particle size analysis (Laser diffraction)
- Chemical composition verification (ICP-OES)
- Sphericity and morphology imaging (SEM)
All powders are delivered with a 分析証明書(CoA) to meet B2B procurement standards.
4. Customization and Flexibility
Whether you’re a small-batch prototyping lab or a high-volume manufacturer, Truer offers:
- MOQ flexibility for pilot runs
- Bulk pricing for distributors and resellers
- Custom packaging and labeling for OEMs
5. Global Reach, Local Support
Truer serves clients in North America, Europe, and Asia. Their multilingual team provides pre-sales consultation, after-sales technical supportそして logistics coordination for smooth order fulfillment.
Ready to take the next step? Contact us for a quote or request a sample to start testing S2 powder in your application.
How to Order Wholesale S2 Powder from Shanghai Truer
Ordering high-performance S2 powder for additive manufacturing or industrial use isn’t just about price — it’s about ensuring consistent quality, timely delivery, and technical support. Shanghai Truer makes it simple and efficient for B2B buyers, distributors, and OEMs to source wholesale S2 powder with confidence.
ステップ・バイ・ステップの卸売注文プロセス
Here’s how you can place a bulk order with Shanghai Truer:
1. Define Your Powder Requirements
- 希望 particle size range (e.g., 15–45 μm for LPBF, 45–105 μm for SEBM/DED)
- 純度レベル and chemical composition preferences
- Target application (e.g., aerospace parts, tooling, medical instruments)
2.見積依頼
- をご覧ください。 コンタクトページ to submit your RFQ (Request for Quotation)
- Provide details on volume, delivery location, and any special requirements
- Expect a response within 24–48 hours from the sales team
3.サンプルテスト(オプション)
- Order a small batch (0.5–1 kg) for testing in your printing system
- Truer also provides technical guidance for process parameters upon request
4. Confirm Bulk Order
- Finalize purchase terms (MOQ, payment method, Incoterms)
- Receive a 分析証明書(CoA) and shipping documents
5. Delivery & After-Sales Support
- Truer offers global shipping via air freight, sea freight, or express courier
- Post-sales support includes print parameter optimization そして powder reuse guidelines
Bulk Order Capabilities
| 注文量 | リードタイム | 梱包オプション | Delivery Regions |
|---|---|---|---|
| 1–10 kg (sample) | 3-5営業日 | Vacuum-sealed aluminum bags | グローバル |
| 10–100 kg (standard) | 7-10営業日 | 10kg drums or custom cartons | Asia, EU, North America |
| 100+ kg (bulk) | 10~15日 | Palletized or OEM packaging | Global (FOB/CIF/DDP) |
Shanghai Truer ensures end-to-end traceability for each order — from powder melting to final packaging — giving buyers peace of mind and regulatory compliance.
Explore the full range of available powders and specifications on the 製品カタログ.

FAQs: Common Questions About Buying Wholesale S2 Powder
To help industrial buyers make informed decisions, here are the most frequently asked questions about sourcing S2 powder in bulk:
Q1: What is the typical composition of S2 powder?
S2 tool steel generally contains:
- 0.70–0.85% Carbon
- 2.0–3.0% Silicon
- 0.20–0.50% Manganese
- 0.20–0.50% Chromium
- Balance Iron (Fe)
Custom compositions may be available upon request.
Q2: Is S2 powder compatible with common 3D printing systems?
Yes, S2 powder is suitable for:
- レーザー粉末床溶融法(LPBF)
- 選択的電子ビーム溶解(SEBM)
- 指向性エネルギー蒸着(DED)
- バインダージェッティング(後焼結あり)
上海トゥルーアが提供する parameter consultation for each process.
Q3: What is the minimum order quantity (MOQ)?
- MOQ for sample testing: 1 kg
- MOQ for standard orders: 10キロ
- MOQ for custom alloys or particle sizes: 50キロ
Q4: How is the powder packaged for international shipping?
- Vacuum-sealed in aluminum foil bags or HDPE containers
- Additional moisture barrier liners for sea shipments
- Labeled with batch number, production date, and safety data
Q5: Are custom alloy blends or particle sizes available?
そうだ。 カスタムパウダー開発 for clients needing:
- Specialized hardness or corrosion resistance
- Unique particle distribution curves
- Application-specific alloying (e.g., with Ni, Mo, V)
で連絡を取る。 コンタクトフォーム for custom development inquiries.
Power Your Additive Manufacturing with Truer’s S2 Powder
As additive manufacturing continues to transform industries across the globe, the importance of sourcing high-quality, consistent, and application-ready powders cannot be overstated. S2 powder stands out as a versatile, high-strength solution ideal for tooling, aerospace, automotive, and medical applications.
Shanghai Truer Technology Co., Ltd is not just a powder supplier — it’s a technology partner with a full ecosystem of services, from 粉体製造 への equipment integration そして customized engineering support.
✅ Over a decade of metallurgical innovation
✅ Spherical powders produced via PREP and SEBM
✅ Trusted by manufacturers, research centers, and OEMs worldwide
✅ Flexible wholesale options and global delivery
✅ Dedicated to helping you scale additive manufacturing with confidence
🔗 Discover more about Truer’s mission and capabilities on the 会社概要ページ
📩 Ready to place an order or need technical consultation? Get in touch with our experts today.
🛒 Or browse our full range of 3Dプリント用パウダー をご覧ください。
For more insights like this, visit our blog resource center for material guides, use cases, and additive manufacturing trends.




