Seamless Steel Gas Cylinder

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Gas Cylinder for Marine Application

Type 2 CNG Composite Cylinder is designed to reduce cylinder weight against type 1 steel cylinder. The liner is manufactured from seamless 30CrMo steel pipe but with much thinner wall than type 1 CNG steel cylinders to get lighter weight.
Product Description

Carbon dioxide (CO2) is found in various fire extinguishers and prevents oxygen from further fueling a fire on ships and yachts. As the storage vessel for CO2high pressure seamless steel gas cylinders play an important role in marine fire extinguishing systems. Our seamless steel gas cylinders are made of 37Mn and CrMo steel, and can withstand high pressure upto 200 bar. All cylinders are produced according to ISO9809-1 standard, and approved by marine classification societies like DNV, LR, GL, ABS, BV, RINA or CCS.

The inside surface of our gas cylinders are coated with epoxy phenolic resin, to have strong anti-corrosion ability.

Quality Control Tests:

We do the widest ranges of tests to ensure high safety of all cylinders we produce:

Hydraulic Pressure Test

Impact Test

Hardness Test

Hydraulic Bursting Test

Mechanical Property Test

Flattening Test

Gas Cylinder Steel Material Chemical Element Content (%):

37Mn material:

C

Mn

Si

S

P

S+P

≤ 0.38

1.35 –1.75

0.1 – 0.35

≤ 0.02

≤ 0.02

≤ 0.03

34CrMo4 & 30CrMo material:

C

Mn

Si

Cr

Mo

S

P

S+P

0.25 –0.38

0.4 –1.0

0.1 – 0.4

0.8 – 1.2

0.15 – 0.4

≤ 0.01

≤ 0.02

≤ 0.025

Gas Cylinder Steel Material Mechanical Property Parameters:

Tensile Strength ( MPa )

Yield Strength

( MPa )

Y / T Ratio

Elongation

( % )

Flat Sample

Elongation

( % )

Round Sample

≤800

≤1030

≤0.90

≥14

≥16

Specifications:

Applications:

With the approval of marine classification societies CCS,DNV, LR, GL, ABS, BV, RINA, the high pressure seamless steel gas cylinders can be widely used to store CO2gas, for firefighting application on ships and yachts. Carbon dioxide CO2steel gas cylinders are combined into cascade, used as gas storage system. It is an important part of fire extinguishing system on ships and yachts.

CO2 Gas Cylinder Bundle for Marine Fire Extinguishing System

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