Selected Products, Customized Products, Product Sourcing
Precision Cold Drawn Seamless Tubing 34CrMo4 | High-Strength Alloy Steel Pipes for Hydraulic & Mechanical Applications
PRODUCT PARAMETERS
Description
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FAQs
Description
Cold Drawn Seamless Tubing 34CrMo4 is a high-performance alloy steel pipe manufactured through precision cold drawing, ensuring superior dimensional accuracy, smooth surface finish, and excellent mechanical properties. This tubing is widely used in hydraulic cylinders, automotive components, machinery, and high-stress industrial applications due to its exceptional strength, toughness, and fatigue resistance.
Key Features & Benefits:
✅ Material: 34CrMo4 (1.7220) – A chromium-molybdenum alloy steel with high tensile strength and good weldability.
✅ Manufacturing Process: Cold drawn seamless (CDS) for tight tolerances, improved surface finish (Ra ≤ 0.8 µm), and enhanced mechanical properties.
✅ Standards Compliance: DIN 17200, EN 10204-3.1, ASTM A519, and other international norms.
✅ Mechanical Properties:
- Tensile Strength: 900–1100 MPa
- Yield Strength: ≥ 700 MPa
- Elongation: ≥ 12%
- Hardness: 270–320 HB
✅ Heat Treatment: Quenched & tempered (Q&T) for optimal strength-to-weight ratio.
✅ Applications: - Hydraulic & pneumatic cylinders
- Drive shafts, piston rods, and gear components
- Oil & gas, automotive, and heavy machinery
Available Specifications:
- Outer Diameter (OD): 10 mm – 250 mm (custom sizes available)
- Wall Thickness: 1 mm – 40 mm
- Length: Up to 12 m (custom cuts upon request)
- Surface Finish: Honed, polished, or as-drawn
Chemical Compositions
| Steel Grade | C | Si | Mn | P | S | Cr | Mo |
| 34CrMo4 | 0.30-0.37 | 0.40 max | 0.60-0.90 | 0.035 max | 0.035 max | 0.90-1.20 | 0.15-0.30 |
| Steel Grade | C | Si | Mn | P | S | Cr | Mo |
| 35CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.035 max | 0.035 max | 0.80-1.10 | 0.15-0.25 |
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FAQs
What types of products can we offer?
We provide a comprehensive range of products and services across multiple industries to meet diverse supply chain needs. Our offerings include:
Core Product Categories
- Machinery & Equipment
- Small food processing equipment, compact ovens, and pre-owned industrial machinery.
- Steel Products
- Seamless steel pipes, welded pipes, galvanized pipes/coils, color-coated coils, and scaffolding systems.
- Building Materials
- Wood flooring, ceramic tiles, and aluminum alloy doors/windows.
- Agricultural Machinery
- Tractors (50-200 HP), threshers, grain dryers, water pumps, and drip irrigation systems.
- New Energy Solutions
- Solar power products, small-scale generators, and wind energy equipment.
- Automotive & Parts
- Pre-owned vehicles (cars, trucks, construction machinery) and automotive components.
- Hardware
- Industrial and household hardware accessories.
- Home & Apparel
- Custom-sized bedding and curtains, budget-friendly clothing/shoes (clearance stock), and customizable luggage/backpacks.
Value-Added Services
We enhance your experience with:
End-to-End Support: From procurement to logistics and partnership coordination.
Product Sourcing: Access to global suppliers for specialized requests.
Customization: Tailored products (e.g.,size-specific home textiles).
Quality Assurance: Rigorous inspections for compliance and durability.
What logistics do we ship through?
We partner with trusted global and local logistics providers to ensure efficient, reliable, and cost-effective shipping solutions tailored to your needs. Our logistics network includes:
Shipping Options
- Sea Freight: Ideal for bulk orders (e.g., steel products, machinery) with competitive rates and containerized shipping.
- Air Freight: Fast delivery for urgent or high-value items (e.g., automotive parts, customized goods).
- Land Transport: Road and rail services for regional deliveries (e.g., building materials, agricultural machinery within continental regions).
- Courier Services: Express shipping via DHL, FedEx, or UPS for smaller parcels (e.g., hardware, apparel samples).
Key Features
- Global Coverage: We ship to Asia, Europe, North America, Africa, and beyond.
- Custom Clearance: Assistance with documentation and regulatory compliance for seamless cross-border trade.
- Real-Time Tracking: Monitor shipments through our platform or partner portals.
- Insurance Options: Optional cargo insurance for high-value or fragile goods.
For more information please check: Logistics Information – Beijing Sunyon Tech Co., Ltd
Can it be customized as per our requirements?
Absolutely! At SunyonTech, we prioritize flexibility and tailor-made solutions to align with your specific needs. Our customization services span multiple product categories and include both design and functional adaptations.
Customization Capabilities
Bespoke hardware components or retrofitting options for pre-owned vehicles.
Home & Apparel:
Bedding, curtains, and luggage tailored to your exact size specifications.
Private labeling for clothing, shoes, and bags (OEM/ODM services available).
Machinery & Equipment:
Modifications to food processing units, ovens, or pre-owned machinery to suit operational requirements.
Branding or technical upgrades for industrial equipment.
Building Materials:
Custom-cut steel products (e.g., pipes, scaffolding) or materials like tiles/flooring in unique dimensions.
Agricultural & New Energy:
Adjustments to tractors, irrigation systems, or solar/wind equipment for regional or technical compatibility.
Hardware & Automotive: Bespoke hardware components or retrofitting options for pre-owned vehicles.
Process Overview
- Requirement Consultation: Share your specifications (design, size, material, branding, etc.).
- Feasibility Review: Our engineers and sourcing team assess technical and logistical viability.
- Prototyping & Approval: Samples provided for quality and design validation.
- Production & Quality Inspection: Rigorous checks ensure compliance with your standards.
- Delivery: Seamless logistics for your customized order.
Why Choose Us?
- End-to-End Support: From concept to delivery, we handle every detail.
- Competitive Pricing: Scalable solutions for bulk orders or niche projects.
- Quality Assurance: Guaranteed compliance with agreed specifications.
What is our ordering process?
At SunyonTech, we streamline the ordering process to ensure efficiency, transparency, and satisfaction at every stage. Here’s a step-by-step guide:
Core Process Steps
Regular updates provided upon request.
Inquiry & Consultation
Submit your product/service requirements via our online form, email, or direct consultation.
Specify details like quantity, customization needs (e.g.,size adjustments, branding), or sourcing requests.
Quotation & Negotiation
Receive a detailed proposal with pricing, lead times, and terms within 1-3 business days.
Discuss adjustments (e.g., bulk discounts, logistics preferences) with our team.
Order Confirmation
Finalize specifications and sign a purchase agreement.
For custom projects, approve prototypes or samples before full production.
Production & Sourcing
Our team oversees manufacturing, customization, or sourcing (including second-hand equipment refurbishment if applicable).
- Quality Inspection
- Mandatory pre-shipment checks for compliance with agreed standards (learn more in our Quality Assurance FAQ).
- Payment & Logistics
- Secure payment via bank transfer, L/C, or other agreed methods.
- Choose from flexible shipping options (sea, air, land) managed by our logistics partners.
- Delivery & After-Sales
- Track your order in real-time and receive post-delivery support for returns, warranties, or future collaborations.
Key Features
- Flexible MOQs: Accommodate both small trial orders and large-scale purchases.
- Custom Workflows: Integrate OEM/ODM services, private labeling, or unique technical specifications.
- Documentation Support: Handle invoices, certifications, and customs paperwork.
- Dedicated Account Manager: Single point of contact for seamless communication.
Special Cases
- Pre-Owned Equipment: Includes additional steps like condition verification and refurbishment timelines.
- Urgent Orders: Expedited production and air freight available (premium costs apply).
What services are included in the after-sales service?
At SunyonTech, we prioritize long-term partnerships by offering robust after-sales support to ensure your satisfaction and operational success. Our after-sales services include:
Key After-Sales Services
Cost-effective repair services for damaged goods, including二手/second-hand equipment refurbishment.
Technical Support
24/7 troubleshooting and guidance for machinery, equipment, or technical products (e.g., tractors, food processing units, solar systems).
On-site or remote assistance for installation, calibration, or repairs (subject to regional availability).
Warranty Coverage
Complimentary warranty periods for new products (duration varies by category; e.g., 12 months for machinery, 6 months for apparel).
Transparent terms for refurbished/pre-owned equipment (clearly stated in purchase agreements).
Returns & Replacements
Hassle-free return policies for defective or non-compliant items (within 30 days of delivery, subject to inspection).
Expedited replacements for urgent cases (e.g., critical automotive parts or agricultural tools).
Spare Parts & Repairs
Access to genuine spare parts for machinery, vehicles, and hardware (global sourcing network).
- Customization Adjustments
- Post-delivery modifications for tailored products (e.g., resizing curtains/bedding, retrofitting machinery).
- Maintenance Contracts
- Optional scheduled maintenance plans for high-value equipment (e.g., tractors, industrial ovens, solar systems).
- Training & Documentation
- User manuals, instructional videos, or operator training sessions for complex machinery.
Additional Support
- Feedback Integration: Share your experience to help us improve product quality and service efficiency.
- Loyalty Programs: Exclusive benefits for repeat clients, including discounted logistics or priority customization.
- Business Collaboration: Ongoing partnership opportunities for bulk orders, joint ventures, or new product development.
