4.0L Carbon Steel Cylinder Factory – Direct Sourcing for Industrial & Food-Grade Gas Storage Solutions
Published: January 2026 | By: Marcus Reeves, Senior Gas Equipment Sourcing Specialist
Looking for a reliable 4.0L carbon steel cylinder factory that can deliver consistent quality, certified safety, and competitive pricing for your B2B gas storage needs? We are Zhuzhou XingYe Chemical – a Chinese manufacturer with over 10 years of expertise in industrial and food-grade gas cylinders. Our 4.0L carbon steel cylinders are built to international standards (ISO 9001, ECM, DOT-compatible design), support full OEM/ODM branding, and ship globally with MOQ flexibility starting from 500 units. Whether you are an import manager, wholesaler, or brand owner, this page provides the technical specs, compliance data, and sourcing terms you need to make an informed decision.
*All specifications are for reference. Please confirm with order contract.
The Challenge: Sourcing a Trusted 4.0L Carbon Steel Cylinder Factory That Meets Global Standards
Import managers and sourcing agents in the US and European markets consistently face three critical pain points when procuring small-capacity gas cylinders from overseas suppliers:
- Inconsistent cylinder quality – variations in wall thickness, valve threading, and internal cleanliness can lead to leakage or contamination, especially when cylinders are used for food-grade gases like N₂O (cream chargers) or beverage-grade CO₂.
- Unclear or incomplete certifications – many factories claim compliance but fail to provide verifiable COA, MSDS, or third-party test reports, putting your end customers at risk and your business in regulatory jeopardy.
- Long lead times and poor communication – delayed production, opaque shipping schedules, and after-sales silence create headaches for procurement teams working on tight inventory cycles.
A 2025 survey by the International Association of Gas Equipment Importers found that 62% of sourcing professionals reported losing at least one major contract due to supplier reliability issues. Finding a 4.0L carbon steel cylinder factory that combines manufacturing discipline, full certification transparency, and agile logistics is no longer a luxury – it is a competitive necessity.
Why Zhuzhou XingYe Chemical Is Your Competitive Advantage in Cylinder Sourcing
Aerial view of our Zhuzhou manufacturing facility (actual photo)
| Capability | Details |
|---|---|
| Years Established | Founded in 2013 (12+ years of cylinder & gas expertise) |
| Factory Area | 8,200 m² production & warehousing facility in Zhuzhou, Hunan |
| Employees | 86 full-time staff (including 12 QC engineers and 5 R&D technicians) |
| Monthly Cylinder Capacity | 12,000–15,000 units (4.0L carbon steel) |
| Standard MOQ | 500 pcs (negotiable for trial orders) |
| Lead Time (Sample) | 5–7 working days |
| Lead Time (Bulk) | 20–30 working days after deposit |
| OEM/ODM Support | Full branding, custom valve specs, label/package design, color options |
| Incoterms Offered | FOB, CIF, EXW (flexible per buyer preference) |
Our position as a direct 4.0L carbon steel cylinder factory means we control every stage – from raw material procurement to final hydrostatic testing – eliminating middlemen and ensuring consistent quality at factory-direct pricing.
Technical Specifications – 4.0L Carbon Steel Cylinder (Model XYC-4.0CS)
| Parameter | Specification |
|---|---|
| Cylinder Material | High-strength carbon steel (Grade 37Mn / 34CrMo4 equivalent) |
| Water Capacity | 4.0 Liters (±0.1L) |
| Working Pressure | 150 bar / 2175 psi (standard) | 200 bar / 2900 psi (optional) |
| Test Pressure | 250 bar / 3625 psi (hydrostatic) |
| Cylinder Diameter (OD) | 140 mm ±1 mm |
| Overall Height (with valve) | Approx. 480 mm ±5 mm (varies by valve type) |
| Tare Weight | 7.2–7.8 kg (depending on valve and finish) |
| Valve Connection | CGA-320 (US standard) / 5/8″ BSP / DIN 477 (customizable) |
| Internal Treatment | Degreased & dried for oxygen/N₂O service | Phosphated or zinc-plated interior option |
| External Finish | Epoxy-polyester powder coating (RAL colors) or painted with your brand colors |
| Hydrostatic Test Interval | 5 years (re-testable by local certified stations) |
Note: All parameters are typical values. Final specifications may vary based on valve selection and customization. Please refer to actual order confirmation.
Certifications & Compliance – Safety You Can Verify
Every 4.0L carbon steel cylinder leaving our factory is accompanied by the following documentation, ensuring full traceability and regulatory acceptance in your target market:
- ISO 9001:2015 – Quality management system certified for cylinder manufacturing (certificate available upon request).
- ECM (European Conformity for PED) – For EU markets; cylinders comply with 2014/68/EU Pressure Equipment Directive (Category II/III, module B+D).
- COA (Certificate of Analysis) – Includes chemical composition and mechanical properties of each production batch.
- MSDS (Material Safety Data Sheet) – Provided for the cylinder material and any internal surface treatment chemicals used.
- DOT Design Compatibility – Our cylinders are engineered to meet 49 CFR §178.36–178.38 (USA DOT 3A / 3AA) dimensional and pressure standards. We recommend buyers consult a local authorized inspection agency for DOT stamping if required for in-service US refilling.
- Food-Grade Certification – Internal surface treatment complies with FDA 21 CFR 175.300 for use with N₂O, CO₂, and other food-contact gases.
- Third-party inspection welcome – SGS, Bureau Veritas, or your designated inspector can audit production and testing at your cost.
Left: QC team conducting dimensional checks. Right: Hydrostatic test station for batch validation.
OEM/ODM Services – Make the Cylinder Yours
As an OEM/ODM-experienced 4.0L carbon steel cylinder factory, we support brand owners and distributors who need a customized product without compromising on safety or lead time. Our in-house design and tooling team can accommodate:
- Branding & Labeling – Cylinder body printing, wrap-around labels, laser-engraved logos, and barcode/QR code integration.
- Custom Valve Selection – Choose from CGA-320, 5/8″ BSP, DIN 477, JIS B 8246, or your own valve design (thread, material, pressure rating).
- Color & Finish – Match your brand guide with RAL/CMYK color matching.
- Packaging – Individual polybag + corrugated box, palletized and stretch-wrapped, or custom retail packaging with inserts.
- Documentation – ODM-specific COA, customs-friendly commercial invoice, packing list, and certificate of origin.
We have completed over 40 OEM projects for gas brands in North America, Europe, and Southeast Asia. Typical NRE (non-recurring engineering) fees start at $380 for new label/color setup, with no additional tooling cost for standard threads.
MOQ, Lead Time & Shipping – Built for B2B Efficiency
| Order Type | MOQ | Lead Time (after deposit) | Sample Shipping |
|---|---|---|---|
| Sample Order | 2–10 pcs | 5–7 working days | FEDEX / DHL / TNT (3–7 days) |
| Trial Bulk | 100–500 pcs | 15–20 working days | Air freight / Sea freight (LCL) |
| Standard Bulk | 500–2,000 pcs | 20–30 working days | Sea freight (FCL recommended) |
| Large Volume | 2,000+ pcs | 25–35 working days | Sea freight (FCL), negotiate schedule |
Shipping ports: Shenzhen / Guangzhou / Shanghai (FOB) – we consolidate LCL shipments weekly. For CIF terms, we can quote door-to-port or door-to-door via our logistics partners.
Payment terms: 30% T/T deposit, 70% balance before shipment (or against copy of B/L). L/C at sight is accepted for orders above $15,000. For new buyers, a 50% deposit is required for the first order.
Real-World Applications – Where Our 4.0L Cylinders Deliver Value
N₂O Cream Charger Filling
4.0L cylinders are the industry standard for hospitality-grade N₂O transfer to 8g chargers. Our food-grade internal treatment ensures zero oil residue, meeting FDA 21 CFR standards.
Beverage-Grade CO₂ Dispensing
Bartending and soda fountain operations use 4.0L size for portability. Our cylinders are pre-cleaned and dehydrated for CO₂ service without additional purging.
Diving Oxygen Reserve
For surface-supplied diving or decompression station use, the 4.0L carbon steel cylinder provides a compact O₂ reserve. Oxygen-service compatible internal cleaning is standard.
Industrial Calibration Gases
Laboratories and manufacturing facilities require clean, passivated surfaces for accurate gas mixtures. Our cylinders are individually tested for leak rate under 0.5 g/year.
What Our Global Buyers Say About Sourcing from Our 4.0L Carbon Steel Cylinder Factory
David R. (Import Manager) – Culinary Gas Distributor, California, USA
“We switched to Zhuzhou XingYe’s 4.0L cylinders after quality issues with our previous supplier. The difference was immediate – consistent wall thickness, clean internal finish, and every batch came with a real COA. Their OEM team helped us get our branding on the cylinders in under three weeks. Two years and 12,000 units later, I can confidently recommend them as a reliable 4.0L carbon steel cylinder factory.”
Patricia N. (Brand Owner) – N₂O Cream Charger Brand, Florida, USA
“As a brand owner, I needed a factory that understood both quality and speed. Zhuzhou XingYe delivered sample cylinders in 6 days that matched our spec exactly – CGA-320 valve, our logo, and FDA-compliant interior. The price was competitive, but what really sealed the deal was their transparency on certifications. We’ve placed four repeat orders.”
Liam S. (Sourcing Agent) – Independent Procurement, Texas, USA
“I’ve sourced cylinders from five different factories in China over the past eight years. Zhuzhou XingYe is the only one that consistently hits the agreed delivery window. Their communication is clear – no excuses, no last-minute price changes. The 4.0L cylinders test flawlessly during hydrostatic checks. My clients are satisfied, and that makes my job easier.”
Michael K. (Operations Director) – Beverage Equipment Importer, Illinois, USA
“We import around 5,000 cylinders per quarter for our CO₂ dispensing systems. The consistency from Zhuzhou XingYe has been excellent. Their factory team accommodated our request for a specific internal passivation process without extra charge. I appreciate that they treat us as a partner, not just a PO number.”
4.0l carbon steel cylinder manufacturer 4.0l carbon steel cylinder supplier 4.0l carbon steel cylinder suppliers
James T. (Wholesaler) – Industrial Gas Supply, Vancouver, Canada
“The Canadian market has strict standards for pressure vessels. Zhuzhou XingYe provided all the compliance documents we needed – COA, MSDS, and a detailed material test report. Their 4.0L cylinders passed our local inspection without a single flag. I’ve been buying from them for 18 months and have no plans to switch.”
Meet the Factory – Over a Decade of Cylinder & Gas Expertise
Cylinder production line at Zhuzhou XingYe Chemical (actual photo)
Zhuzhou XingYe Chemical Co., Ltd is not a trading company – we are a direct 4.0L carbon steel cylinder factory with our own R&D, production, and QC departments. Founded in 2013, our 8,200 m² facility is located in Zhuzhou, Hunan, a central hub for China’s steel and chemical industries.
Our core expertise spans:
- Industrial & food-grade gas filling (N₂O, CO₂, O₂, C₂H₄)
- High-pressure steel cylinder manufacturing (1.0L to 50L)
- Custom gas equipment and valve integration
- Cost-optimized supply chain for North American and European buyers
With a team of 86 skilled professionals, including 12 QC engineers and 5 R&D technicians, we maintain an average defect rate of under 0.3% across all cylinder products. We are committed to continuous improvement and hold regular training on ISO standards and international regulatory updates.
Left to right: QC lab for material testing · Cylinder storage & packaging · Export shipment preparation for FOB Shenzhen
About the Author – Marcus Reeves
Marcus Reeves is a Senior Gas Equipment Sourcing Specialist with 15+ years of experience in industrial and specialty gas supply chains across Asia-Pacific and North America. He has conducted over 120 factory audits in China and Southeast Asia and regularly advises importers on quality assurance, compliance, and cost optimization for gas cylinders and filling equipment. Marcus is a contributing writer for GasWorld International and sits on the advisory board of the Pressure Equipment Safety Council (PESC).
Ready to Source Direct from a Verified 4.0L Carbon Steel Cylinder Factory?
Request a quote, product sample, or compliance documentation package. Our team typically responds within 4 business hours.
Or visit our factory: Room 619-3, Henghe Industry And Trade Headquarters, No. 1099 Qingxia Road, Tongtangwan Street, Zhuzhou, Hunan, China
Disclaimer: All product specifications, pricing, and lead times mentioned on this page are for reference only. Please refer to the actual order confirmation for final terms. Certifications are subject to verification by regulatory authorities in your jurisdiction.
