
Seamless steel gas cylinders/Industrial gas cylinders are high-pressure containers for storing and transporting. They are widely used for steel cutting, welding, electronic, medical and other fields.
Company | SAINS | Outside diameter | 89-314mm |
Water capacity | 0.8-80L | Height | 197-1615mm |
Working pressure | 150-300Bar | Weight | 1.6-80kg |
Test pressure | 250-450Bar | Place of Origin | Shandong,China |
Design wall thickness | 1.9-6.0mm | Material | 37Mn/34CrMo4 |
Storage gas | 0.12-15M3((120L-15000L) | Cap/Head Protection | Tulip Cap, Common Cap, Semi-circle cap |
Manufacture Executive Standards | ISO9809-1(TPED),UN ISO9809-1,GB/T5099.1 | ||
Cylinder Color | Green, Black, White, Blue, Yellow, Grey,Red,Customize as demand | ||
Filling medium | Air,Oxygen Gas,Hydrogen Gas,Carbon Dioxide Gas, Argon Gas, Nitrogen Gas, Helium Gas, Carbon Monoxide Gas, SF6 Gas, N2O gas, Air, Specialty Gas,Mix Gas etc.. | ||
Packing | 1.Bulk loading; 2.Plastic woven net; 3.Wooden pallets; 4.Carton; 5.As required. |
Cylinder Model | Diameter (mm) | Volume (L) | Height (mm) | Weight (kg) | Working pressure (MPa) | Wall thickness (mm) | Cylinder material |
2L steel cylinder | 140 | 2.5 | 300 | 5.5 | 15 | 3.6 | 37Mn |
3L steel cylinder | 140 | 3 | 345 | 6.1 | 15 | 3.6 | 37Mn |
4L steel cylinder | 140 | 4 | 395 | 7.1 | 15 | 3.6 | 37Mn |
8L steel cylinder | 140 | 8 | 680 | 11.5 | 15 | 3.6 | 37Mn |
10L steel cylinder | 152 | 10 | 710 | 13.5 | 15 | 4 | 37Mn |
15L steel cylinder | 152 | 15 | 1020 | 18.5 | 15 | 4 | 37Mn |
20L steel cylinder | 219 | 20 | 715 | 28 | 15 | 5.7 | 37Mn |
25L steel cylinder | 219 | 25 | 865 | 33 | 15 | 5.7 | 37Mn |
30L steel cylinder | 219 | 30 | 1015 | 38 | 15 | 5.7 | 37Mn |
35L steel cylinder | 219 | 35 | 1165 | 43 | 15 | 5.7 | 37Mn |
40L steel cylinder | 219 | 40 | 1315 | 48 | 15 | 5.7 | 37Mn |
50L steel cylinder | 219 | 50 | 1615 | 58 | 15 | 5.7 | 37Mn |



Billet sawing and cutting - induction heating - reverse extrusion punching - drawing - edge trimming - closing - heat treatment - external sandblasting - mouth thread processing - internal sandblasting (or phosphating) - water pressure test - valve installation - air tightness test - plastic spraying - drying - inspection - storage
2,Steel pipe spinning method:
Steel pipe sawing and cutting - induction heating - spinning bottom sealing - milling inner bottom - induction heating - spinning end closing - heat treatment - sandblasting - mouth thread processing - internal sandblasting (or phosphating) treatment - water pressure test - valve installation - airtightness test - plastic spraying - drying - inspection - storage
Wooden pallet Bulk loading Carton
Qingdao Sains Gas Technology Co., Ltd is a premier and professional manufacturer specializing in a comprehensive spectrum of gases. We leverage our extensive experience and pioneering technological prowess to cater to an expansive array of industrial sectors, such as steel, chemicals, electronics, automobiles, construction, shipbuilding, food and beverages, as well as medical care. Our steadfast dedication lies in providing exceptional support and innovative solutions to our valued clients across these industries. Our core focus centers around innovative 'gas application solutions', unlocking new potential and efficiency for our clients.

High Quality with Reasonable Competitive Price |
We manufacture with strict and complete quality control system, and all products are strictly inspected before shipment. Besides, we use advanced technique to reduce any possible cost without lowing quality standard to provide our customers competitive price. |
Fast Delivery Time |
Annual Output of 800,000 pcs and near Qingdao seaport which is one of the biggest seaport of China. |
Excellent Professional Service(24 hours Service Support) |
We are always good at providing solutions and services to be your trustworthy partner. |
OEM/ODM ACCEPTED |
Color, Valve, Cap,Handle, Marks etc. |
Q1: What is the capacity of this gas cylinder?
A1: W e offer a versatile range of capacities,ranging from a compact 0.8liters to a substantial 80 liters, catering to diverse needs.
Q2: What is the delivery time of this gas cylinder?
A2: The delivery time for our 40L gas cylinder is efficient at just 15 days post deposit.
For other specifications, the timeframe is typically 20-30 days, adaptable according to the production schedule.
We ensure flexibility to meet your specific requirements.
Q3: Payment method accepted?
A3: We accept a variety of payment options such as TT, L/C, West Union, Paypal or any other convenient methodto facilitate smooth transactions.
Q4: What kind of certification do you provide?
A4: We proudly offer TPED, CE, and TUV certifications to ensure the highest standards of quality and safety for our clients.