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Seamless Boiler Circular Tube

Good quality Seamless Carbon Steel Tube for sales
Good quality Seamless Carbon Steel Tube for sales
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Seamless Boiler Circular Tube

China Seamless Boiler Circular Tube supplier
Seamless Boiler Circular Tube supplier Seamless Boiler Circular Tube supplier

Large Image :  Seamless Boiler Circular Tube

Product Details:

Place of Origin: Jiangsu China (Mainland)
Certification: ISO9001 14001 BV TUV PED DNV etc
Model Number: HC

Payment & Shipping Terms:

Minimum Order Quantity: 5MT
Packaging Details: Exporting package/wooden box package/Or per customers’ requirement
Delivery Time: 25~35days
Payment Terms: 30%T/T in advance or 100% L/C at sight
Supply Ability: 8000MT/Month
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Detailed Product Description
Application: Gas Cylinder Certificate: API, PED, ISO, TUV, BV
Delivery Condition: Annealed, Normalized, BK, BKW, NBK, GBK Grade: 37Mn, 35CrMo, 34Mn2V, 30CrMo, 34CrMo4, 3oCrMnSiA
Product Name: Gas Cylinder Pipe Section Shape: Round
Standard: GB 18248 Surface Treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Technique: Seamless
High Light:

mild steel pipe


welded steel pipe

 Seamless Boiler Circular Tube
Round Shape
Quick Detail:
Standard: GB 18248
Grade: 3oCrMnSiA
OD. Range:80mm – 350 mm
Wall thickness: 0.8 mm-15 mm
Length: Max length 25000mm

GB 18248 30CrMnSiA Seamless Steel Tubes for Gas Cylinder

Steel Grde:
37Mn 30CrMo 34Mn2V 35CrMo 34CrMo4 30CrMnSiA etc.

Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection

Inspection and Test: 
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Marking or mechanical stamp on each piece of tube to be confirmed or as requested.


Method of manufacture:


The tubes shall be manufactured by a seamless process and shall be cold finished.

It is permissible for cold finished tubes to have on internal or external surfaces an adherent layer of residual lubricant originating from the drawing process. If phosphate or other residues are

detrimental to subsequent processing, then their removal shall be the subject of an agreement

between the manufacturer and the purchaser.



Delivery condition:


The tubes shall be supplied in one of the following delivery conditions

a) Cold finished/hard (cold finished as drawn): BK;

b) Cold finished/soft (lightly cold worked): BKW

c) Annealed: GBK

d) Annealed (including de-scaling): GZF;

e) Normalized: NBK

f) Normalized (including de-scaling): NZF.

Chemical Composition and Mechanical Properties:
Seamless Boiler Circular Tube

Steel Grade : 37Mn 30CrMo 34Mn2V 35CrMo 34CrMo4 30CrMnSiA etc.

Mainly used for Gas Cylinder.                 


Competitive Advantage:
Huacheng Pipe Making Company is one of the largest seamless steel pipe manufacturers in China.We’ve passed API 5L,API 5CT, PED, BV, TUV certification and ISO quality system certification.With good quality and competitive price, we believe we could be your reliable supplier.
Factroy Pictures:
Seamless Boiler Circular Tube
Pipe & Tube Processing
Seamless Boiler Circular Tube
Factory Equipments:
Seamless Boiler Circular Tube
Production Line:
Seamless Boiler Circular Tube
Quality Control:
Seamless Boiler Circular Tube
Steel Pipe & Tube Application:
Seamless Boiler Circular Tube
Export Standard / Wooden Box
Seamless Boiler Circular Tube
Main Certificates:
Seamless Boiler Circular Tube
Main Customers:
Seamless Boiler Circular TubeSeamless Boiler Circular Tube

Contact Details
Jiangsu Huacheng Industry Pipe Making Corporation

Contact Person: Mr.Charlie Zhu

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