Stm-r780 Thin Wall Drilling Steel Pipe For Gas Cylinder , 0.8 Mm - 15 Mm
Stm-r780 Thin Wall Drilling Steel Pipe For Gas Cylinder , 0.8 Mm - 15 Mm
Stm-r780 Thin Wall Drilling Steel Pipe For Gas Cylinder , 0.8 Mm - 15 Mm
Stm-r780 Thin Wall Drilling Steel Pipe For Gas Cylinder , 0.8 Mm - 15 Mm
Stm-r780 Thin Wall Drilling Steel Pipe For Gas Cylinder , 0.8 Mm - 15 Mm

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Stm-r780 Thin Wall Drilling Steel Pipe For Gas Cylinder , 0.8 Mm - 15 Mm

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Product description

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

 

STM-R780 Thin Wall Drilling Steel Pipe 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

 

 

Description:

 

Q/BQB 230 STM-R780 Tubes for Geological Drilling

 

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

 


Packing: 
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

Mark: 
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:

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

Applications:

 

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:
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
 
Pipe & Tube Processing
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
Factory Equipments:
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
 
Production Line:
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
Quality Control:
 
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
 
Steel Pipe & Tube Application:
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
Package:
Export Standard / Wooden Box
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
Main Certificates:
PED ISO BV TUV etc.
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm
Main Customers:
 
STM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mmSTM-R780 Thin Wall Drilling Steel Pipe for Gas Cylinder , 0.8 mm - 15 mm

 

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