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Seamless Boiler Annealed Tube

Good quality Seamless Carbon Steel Tube for sales
Good quality Seamless Carbon Steel Tube for sales
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Thanks for HC Pipe's fast delivery time and good quality that helps us win this very import project and get deep trust from our clients.

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Seamless Boiler Annealed Tube

China Seamless Boiler Annealed Tube supplier
Seamless Boiler Annealed Tube supplier Seamless Boiler Annealed Tube supplier

Large Image :  Seamless Boiler Annealed 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
Features: Thin Wall Application: Gas Cylinder
Certificate: API, PED, ISO, TUV, BV Delivery Condition: Annealed, Normalized, BK, BKW, NBK, GBK
Grade: 37Mn, 35CrMo, 34Mn2V, 30CrMo, 34CrMo4 Product Name: Gas Cylinder Pipe
Section Shape: Round Standard: GB 18248
Surface Treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting Technique: Seamless
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Seamless Boiler Annealed Tube


Quick Detail:


Standard: GB 18248

Grade: 34Mn2V

OD. Range:80mm – 350 mm

Wall thickness: 0.8 mm-15 mm

Length: Max length 25000mm





GB 18248 34Mn2V 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 Annealed 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 Annealed Tube
Pipe & Tube Processing
Seamless Boiler Annealed Tube
Factory Equipments:
Seamless Boiler Annealed Tube
Production Line:
Seamless Boiler Annealed Tube
Quality Control:
Seamless Boiler Annealed Tube
Steel Pipe & Tube Application:
Seamless Boiler Annealed Tube
Export Standard / Wooden Box
Seamless Boiler Annealed Tube
Main Certificates:
Seamless Boiler Annealed Tube
Main Customers:
Seamless Boiler Annealed TubeSeamless Boiler Annealed Tube


Contact Details
Jiangsu Huacheng Industry Pipe Making Corporation

Contact Person: Mr.Charlie Zhu

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