30L Empty Seamless Steel Oxygen Cylinder for Export Sourcing
Export-oriented sourcing profile for 30L empty seamless steel gas cylinders intended for oxygen or other approved compressed gas service. Buyers should verify cylinder standard, test pressure, working pressure, material grade, valve/cap configuration, inspection documents, and destination-market acceptance before RFQ placement.
Quick buying facts
Identify the grade, package, and import market before comparing suppliers.
Use this page to check the product identity, common specification points, document scope, package notes, and destination-market questions before sending a China sourcing request.
Water capacity: 30LEmpty compressed gas cylinder / oxygen cylinderHuman review
Height: approximately 1160 mm; with cap approximately 1175 mm
Weight: approximately 38 kg
Working pressure: 20 MPa / 200 bar
Test pressure: 30 MPa / 300 bar
Design wall thickness: 5.2 mm
Material stated: 34CrMo4 seamless steel
Applicable standards stated by source: TPED, DOT, TC, GB, JIS; buyer must confirm exact requested standard
Filling medium options stated: oxygen, air, argon, nitrogen, carbon dioxide, helium, hydrogen, mixed gas and special gas, subject to cylinder design approval
Who uses this page
Target buyers
Industrial gas distributors
Medical gas equipment distributors subject to local approval
Welding and cutting gas suppliers
Fire and safety equipment distributors
Gas cylinder fleet operators
Importers of pressure vessels and gas equipment
OEM gas equipment assemblers
Before matching
Documents to check
CAS number, grade, assay, and impurity profile
SDS, COA, TDS, HS code, and transport classification
Destination-market import documents before supplier matching
Package and route
Packing notes
Supplier states bulk loading, plastic woven net packing, wooden pallet packing, or packing as required
Transport reference stated: approximately 250 units per 20GP container
Confirm whether cylinders ship empty, depressurized, valve-fitted or valve-not-fitted
Confirm protective cap, valve guard, palletization, labeling, and container loading plan before shipment
Request export packing photos and loading inspection records for large-volume orders
Applications and sourcing options
Check whether this product fits the buyer's actual application.
Clear application, grade, package, and document notes help separate real sourcing demand from a vague price check.
Use context
Common applications
Empty oxygen cylinder sourcing for local filling operations
Replacement cylinder fleet procurement for industrial gas distribution
Cylinder stock for welding, cutting, laboratory, or maintenance gas supply channels
Approved pressure vessel procurement for oxygen or compatible compressed gas service
Distributor inventory where local filling, inspection, and compliance checks are handled by licensed parties
How we compare
Sourcing options
30L oxygen-service seamless steel cylinder with valve and cap
30L empty cylinder body only for buyer-specified valve assembly
Custom color cylinder finish subject to destination-market marking rules
Batch supply with serial number list and inspection documents
Palletized export packing or bulk container loading
Alternative capacities or standards available by RFQ if supported by supplier certification
Human review
Compliance notes
This is a pressure vessel product; destination-country cylinder approval and acceptance should be checked before purchase
Confirm the exact certification required for the destination market, such as TPED, DOT, TC, GB, JIS, CE or TUV documentation where applicable
Request batch-level hydrostatic test records, material certificate, serial number list, inspection report, and certificate of conformity
For oxygen service, confirm internal cleanliness, valve compatibility, cylinder color coding, stamping, and labeling requirements with the buyer's local standard
Empty cylinders may still be regulated as pressure equipment for export/import even when not filled with gas
If supplied filled or partially pressurized, dangerous goods classification, shipping declaration, and carrier acceptance must be reviewed separately
No regulatory approval, import clearance, or end-use acceptance should be assumed from supplier marketing text alone
Buyer search paths
Related sourcing terms
These terms support long-tail discovery while keeping the page focused on useful product and China export buying context.
30L oxygen cylinder supplierempty oxygen cylinder exportseamless steel gas cylinder200 bar oxygen cylinderTPED gas cylinderDOT gas cylinderindustrial gas cylinder manufacturer34CrMo4 steel cylindercompressed gas cylinder sourcingoxygen cylinder with valve and cap
Related product options
Build a broader quote package from adjacent options.
Buyers often compare neighboring grades, forms, or route options before sending one consolidated RFQ.
Share target market, quantity, packaging scope, artwork status, delivery destination, and required documents so CHN Chemicals can prepare a cleaner supplier comparison.
Questions to confirm
Is the cylinder supplied empty only, or can it be supplied with valve, cap, collar, and oxygen-service preparation?
Which standard is required for the buyer's destination market: DOT, TPED, TC, GB, JIS, or another local approval?
Can the supplier provide serial-number-linked hydrostatic test certificates and material certificates for each batch?
What valve type, thread standard, outlet connection, and protective cap specification are available?
Is internal oxygen cleanliness documented, and which inspection method is used before shipment?
What are the stamping details on the shoulder, including working pressure, test pressure, water capacity, tare weight, standard, manufacture date, and serial number?
Can the supplier provide pre-shipment inspection, packing photos, and container loading records?
What is the MOQ, lead time, production capacity, and sample approval process for 30L cylinders?
Checks before quote
This is a pressure vessel product; destination-country cylinder approval and acceptance should be checked before purchase
Confirm the exact certification required for the destination market, such as TPED, DOT, TC, GB, JIS, CE or TUV documentation where applicable
Request batch-level hydrostatic test records, material certificate, serial number list, inspection report, and certificate of conformity
For oxygen service, confirm internal cleanliness, valve compatibility, cylinder color coding, stamping, and labeling requirements with the buyer's local standard
Empty cylinders may still be regulated as pressure equipment for export/import even when not filled with gas
If supplied filled or partially pressurized, dangerous goods classification, shipping declaration, and carrier acceptance must be reviewed separately
No regulatory approval, import clearance, or end-use acceptance should be assumed from supplier marketing text alone
Next step
Send the product page with your target quantity and market. A sourcing manager can then confirm sample options, supplier fit, packaging details, and open document gaps.
