Durable Gas Cylinder Steel for LPG Cylinders & Pressure Vessels – Flexible MOQ, Cutting Service & Fast Delivery

Company Overview‌ – HP235 / HP295 / HP345 Gas Cylinder Steel Plates

With more than 15 years of experience in global steel sourcing and export, CJM provides stable supply, competitive pricing, and fast delivery for HP235, HP295, and HP345 gas cylinder steel plates under GB6653.

This page provides complete specifications, technical data, and purchasing options for gas cylinder plate buyers, fabrication shops, and engineering teams.

Why Buyers Choose Our Gas Cylinder Steel Plates？

Designed for purchasing managers, small fabrication shops, welding workshops, and individual producers:

• Flexible MOQ – Small quantities, mixed grades, and combined shipments supported
• Ready-to-Ship Inventory – HP235 steel plate, HP295 steel plate, HP345 steel plate in standard thicknesses
• Cut-to-Size Service – Circle blanks, strips, and full-size plates with processing support
• Stable Sourcing – Long-term partnerships with certified mills; reliable quality and supply
• Export-Ready Packaging – Waterproof paper + steel straps + pallet
• Fast Delivery to Global Ports – Steady shipments to Southeast Asia, Middle East, Africa, the Americas, and Europe

Available Specifications for Gas Cylinder Steel Plates (HP235 / HP295 / HP345)

Grade	Thickness	Width	Supply Form	Standard
HP235 steel plate	2–12 mm	800–1630 mm	HR / Cutting	GB6653
HP295 steel plate	2–12 mm	800–1630 mm	HR / Cutting	GB6653
HP345 steel plate	2–12 mm	800–1630 mm	HR / Cutting	GB6653

Applications of Gas Cylinder Steel Plates

These plates are widely used in gas cylinder manufacturing, small factories, and workshop fabrication:

• LPG cylinders
• Fire extinguishers
• Industrial gas tanks
• Compressed air receivers
• DIY or workshop pressure vessels
• Welding and fabrication projects

For buyers using JIS-based materials, our supply also covers JIS G3116 SG255 / SG295 / SG325 gas cylinder steel, commonly used in Asian LPG cylinder production.

Chemical Composition of HP235 / HP295 / HP345 Gas Cylinder Steel

Grade	C	Si	Mn	P	S	P + S	Als (min)
HP235	≤0.12	≤0.30	≤0.50	≤0.025	≤0.015	—	≥0.015
HP295	≤0.20	≤0.35	≤1.0	≤0.035	≤0.035	≤0.06	≥0.015
HP345	≤0.20	≤0.35	≤1.5	≤0.035	≤0.035	≤0.06	≥0.015

Mechanical Properties of Gas Cylinder Steel Plates (GB6653)

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Cold Bending	Impact (°C)
HP235	≥235	≥400	≥26	D=2a	—
HP295	≥295	≥440	≥26	D=2a	≥27
HP345	≥345	≥510	≥20	D=2a	≥27

Global Standard Comparison for Gas Cylinder Plate Grades

EN 10120	DIN 17155	NFA 36-211	UNI 7355	BS 5045	UNE 36129	JIS G3116	GB6653
P245NB	H I	BS 1	Fe E 24 KR	Type A	AE 235 KR	SG255	HP235
P265NB	H II	BS 2	Fe E 27 KR	Type B	AE 265 KR	SG295	HP295
P310NB	17Mn4	BS 3	Fe E 31 KR	Type C	AE 345 KR	SG325	HP345

Packaging & Logistics‌

• Standard Export Packaging‌: Waterproof paper + steel straps + wooden pallets.
• Flexible Options‌: OEM packaging or bulk shipments.
• Global Logistics‌: FOB, CIF, or door-to-door delivery with real-time tracking.

Get a Fast Quote for HP235 / HP295 / HP345 Gas Cylinder Steel Plates

Whether you need small-quantity orders, cut-to-size plates, or full container shipments.

Send us your grade, thickness, size, quantity and destination port — our team will reply quickly with an accurate export quotation.

Q: What is your company’s main products/services?

A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.

Q: Can I go to your factory for a visit?

A: Of course, we welcome customers from all over the world to visit our factory.

Q: What are your terms of payment?

A: 30% T/T deposite and 70% balance before shipment.

Q: What is your delivery time?

A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.

Q: Do you provide samples? Are they free or paid?

A: Samples are available for free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?

A:Yes, we fully accept ‌third-party inspections.

Q: Why should I buy from you not from other suppliers?

A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.

Q:How can you guarantee quality?

A: Always a pre-production sample before mass production;Always 100% inspected before shipment