Home ProductsDrilling Steel Pipe

Gas Cylinder Drilling Steel Pipe

Good quality Seamless Carbon Steel Tube for sales
Good quality Seamless Carbon Steel Tube for sales
Customer Reviews
Huacheng is a high-integrity enterprise that's why our top managements trust in huacheng since year 2006, huacheng helps us to win the markets !

—— Europen Tube Co Ltd

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.

—— Ormat Israel

When you choose your partners, you increase the likelihood of success. That’s why we choose Huacheng.

—— Foster Wheller

We believe in long-term cooperation with Huacheng because we view the future as bright and hopeful on the basis of its good products and service.

—— Korea Heat Exchanger

I'm Online Chat Now

Gas Cylinder Drilling Steel Pipe

China Gas Cylinder Drilling Steel Pipe supplier
Gas Cylinder Drilling Steel Pipe supplier Gas Cylinder Drilling Steel Pipe supplier Gas Cylinder Drilling Steel Pipe supplier

Large Image :  Gas Cylinder Drilling Steel Pipe

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
Contact Now
Detailed Product Description
Features: Thick Wall|Thin Wall Application: Gas Cylinder
Certificate: API|PED|ISO|TUV|BV Delivery Condition: Annealed|Normalized|BK|BKW|NBK|GBK
Product Name: Drilling Steel Pipe Section Shape: Round
Standard: STM-R780 Surface Treatment: Oil-dip|Varnish|Passivation|Phosphating|Shot Blasting
Technique: Seamless
High Light:

Round Steel Pipe


seamless steel pipe


STM-R780 Thin Wall Drilling Steel Pipe with API Certificate for Gas Cylinder , 0.8 mm - 15 mm



Quick Detail:


Standard: Q/BQB 230 STM-R780

Grade: STM-R780

OD. Range:12.7 mm – 114.3 mm

Wall thickness: 0.8 mm-15 mm

Length: Max length 25000mm





Q/BQB 230 STM-R780 Tubes for Geological Drilling


Steel Grde:
45MnB 50Mn 40Mn2 40Mn2Si 45MnMoB STM-R780


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:

Gas Cylinder Drilling Steel Pipe



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:
Gas Cylinder Drilling Steel Pipe
Pipe & Tube Processing
Gas Cylinder Drilling Steel Pipe
Factory Equipments:
Gas Cylinder Drilling Steel Pipe
Production Line:
Gas Cylinder Drilling Steel Pipe
Quality Control:
Gas Cylinder Drilling Steel Pipe
Steel Pipe & Tube Application:
Gas Cylinder Drilling Steel Pipe
Export Standard / Wooden Box
Gas Cylinder Drilling Steel Pipe
Main Certificates:
Gas Cylinder Drilling Steel Pipe
Main Customers:
Gas Cylinder Drilling Steel PipeGas Cylinder Drilling Steel Pipe


Contact Details
Jiangsu Huacheng Industry Pipe Making Corporation

Contact Person: Mr.Charlie Zhu

Send your inquiry directly to us (0 / 3000)