Process:

Argon Arc Welding

Standards:

ASTM A213 /ASME SA 213, ASTM A269/ASME SA269 , A312,  A511, A789, A790, A376, EN 10216-5, EN 10297,DIN 17456, DIN 17458, GOST 9941, GOST 9940,  JIS G3446 JIS G3447 JISG3448 JIS G3459 JIS G3463 JIS G 3468

Schedules:

0.5mm-30mm

Material:

TP304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S,S31803,S32205, S2570,S32760,S32304, 904L 
08X18H10 03X18H11 08X18H10T 12X18H10T 08X17H14M2 03X17H14M2 10X17H13M2T 20X23H18   
SUS304TP SUS304LTP SUS304HTP SUS316TP SUS316LTP SUS316HTP, SUS321TP, SUS321HTP, SUS347TP, SUS347HTP, SUS310STP SUS317TP, SUS890LTP,  
EN1.4301, 1.4306, 1.4948, 1.4401, 1.4404, 1.4571, 1.4541, 1.4833, 1.4878, 1.4550, 1.4462, 1.4438, 1.4845.

Type:

Seamless

Steel Grade:

300 Series

Certification:

ISO

Welding Line Type:

ERW

Thickness:

0.1mm-60mm

Outer Diameter:

3mm-830mm

Usage:

Line Pipe,Casing And Tubing,Fluid Pipe,Water Delievery,Heating Pipe,Power Pipe,Structure Pipe,Scaffold,Piling Pipe

Manufacture Processes:

Raw material Test→Uncoiling→Strip leveling →End Cutting→End Shearing and Welding→Accumlator→Forming→Telepathy Welding→Seam Heat Treatment→Air/Water Cooling→Body/Seam UT→Sizing Straightening→Cutting→Visual and Dimension Inspection→Hydraulic Test→End Beveling→Flatten Test→Seam/End UT→Length-Measuring and Weighing→Coating-Marking→Storage

Ends Processing:

 Beveled or plain end, square cut, burr free ,Plastic Cap at Both end 

Surface Process:

1 Oiled 2 Galvanized 3 3PE Anti-corruption coated 4 According to the sustomers' requiremen

Process

Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube

Finish

 Annealed & pickled, bright annealing, polished

Application

1).Petroleum,Chemical enterprise, superheater of boiler, heat exchanger

2).High temperature resistant transmission fluid pipe in power station

3).Ship with pressure pipe

4).The exhaust purification devices

5).Home appliance, electrical components,decorate pipe

6).Precision instrument manufacture

Test Equipment

Raw Material Test:

Tensile Test ,Yeild Strength,Elogation,Impact Test, ChemicalAnalysis,Hardness Test,Charpy Impact Test,Metallographic Examination

Final Product Test:

Hydraulic Test, On-line and off-line Ultrasonic Test,Tensile Test ,Yeild Strength,Elogation,Hardness Test,Charpy Impact ,Flattening Test Chemical Analysis,Metallographic Examinatio

Package:

1 Naked 2 Both ends with a plastic cap ,then put the pipe into a bundle covered by plastic cloth accroding to the size of the pipe with steel belt tied 3 According to the ustomers' requirement

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material

2.100% Dimension & Visual Examination 

3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test

4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test  (ET or UT) 

5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)

6.Straightness Test  (optional)

7.Roughness Test (optional)

8.Intergranular Corrosion Test(optional)

9.Impact Test (optional)

10.Grain Size Determinations (optional)

NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.

Standard

Grade

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

EN10216-1

P195

320440

≥195

≥27

P235

360500

≥235

≥25

P265

410570

≥265

≥23

EN10216-2

P195GH

320440

≥195

≥27

P235GH

360500

≥235

≥25

P265GH

410570

≥265

≥23

13CrMo4-5

440590

≥290

≥22

10CrMo9-10

480630

≥280

≥22