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SS Steel Tubes/Pipes

Standard: ASTM, AISI, DIN, EN, GB, JIS, Stainless steel pipe
Model Number: Stainless steel pipe
Type: Welded
Steel Grade: 200 Series, 300 Series
Application: Decoration
Certification: ISO

SS Steel Tubes/Pipes

Stainless Steel Pipes/Tubes

Standard: ASTM, AISI, DIN, EN, GB, JIS, Stainless steel pipe

Model Number: Stainless steel pipe

Type: Welded

Steel Grade: 200 Series, 300 Series

Application: Decoration

Certification: ISO

Welding Line Type: TIG

Material: 201, 304, 316

Product name: Stainless Steel Pipe

Polish: 600#400#320#240#180#

Shape: Round, Square, Rectangle

Length: Gernal 5.8m/6m 

MOQ: 1

Payment terms: L/C, T/T

Color: As Requested

Supply Ability: 100000 Ton/Tons per Year


Packaging & Delivery

Packaging Details: Each piece in polybag and several pieces per bundle,or accoding to customer's request.

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What Kind Of Coiled Tubing We Can Produce?

Unit: mm

OD 4.76

WT 0.51 0.71 0.89 1.24

OD 6

WT 1 1.5

OD 6.35

WT 0.51 0.71 0.89 1.24 1.65

OD 7.94

WT 0.71 0.89 1.24 1.65

OD 9.53

WT 0.71 0.89 1.24 1.65

OD 10

WT 1 1.5 2

OD 12

WT 1 1.5

OD 12.7

WT 0.71 0.89 1.24 1.65

OD 14

WT 1 1.5 2

OD 15.88

WT 0.71 0.89 1.24 1.65 2.11

OD 16

WT 1 1.5 2

OD 19.05

WT 1 1.24 1.65 2.11

OD 25.4

WT 1.24 1.65 2.11 2.54

OD 31.8

WT 1.24 1.65 2.11 2.54

OD 38.1

WT 1.24 1.65 2.11 2.54 3.05


D4 / T3 Bright Annealed Stainless Steel Tubes ASTM A213 ASTM A269 EN10216-5 TC1

Bright annealed stainless steel tubes as perfollowing standard:

ASTM A213 ASTM A269 EN10216-5 TC-1

Tolerance: D4/T3 (±0.5%,±0.1 min)/(±10%,±0.2 min)

NDT Tests: Eddy Current or Hydraulic Test or UT

Heat treatment on tubes: Bright Annealed


Quality Assurance:

ISO 9001&PED 97/23/EC certificated with 100% traceability on all instrument tubes and material test reports (EN 10204/3.1B) accompany every shipment upon request.


Material

304: 0cr18ni9, 0cr17ni8

201: 1cr17mn6ni5n, 1cr13mn9ni1n

316: 0cr17ni12 or as customer's request

Size (round pipe)

9.5, 12.7, 15.9, 17, 18, 19.1, 20, 21, 22.2, 23, 25.4, 28, 318, 35, 60, 63.5, 73, 76.2, 88.9, 101.6, 114.3, 127, 133, 159, 168, 219 mm or customized

Size (square pipe)

10×10, 12×12, 18×18, 23×23, 38×38, 50×50, 70×70, 100×100, 20×10, 23×10, 24×12, 25×13, 36×23, 40×20, 50×20, 60×15, 75×45, 80×60, 95×45, 100×60, 150×100 mm or customized

Size (oval pipe)

30×15, 80×40 mm or customized

Thickness

0.24-3 mm

Length

6m or according to customer's request

Outer diameter

8-219mm

Tolerance

Outer diameter: ±0.2mm; Thickness: ±0.02mm; Length: ±0.5mm

Process method

Code drawn, annealed with nitrogen protection, ultrasonic, automatic shape, polished

Finishing

A: sanded B: 400#-600# mirror C: hairline brushed D: TIN titanlum E : HL brushed & mirror (two kinds of finishing for one pipe)


Chemical Composition

Material

c

Si

Mn

P

S

Cr

Ni

201

≤0.12

≤0.75

9.5-12.5

≤0.045

≤0.03

13-16

0.8-1.5

304

≤0.08

≤0.75

≤2.0

≤0.045

≤0.03

18-19

8-10

316

≤0.08

≤1.00

≤2.0

≤0.035

≤0.03

10-14

16.0-18.5

430

≤0.12

≤0.75

≤2.0

≤0.04

≤0.03

16-18

≤0.6


Application:

Instrument Tubing

Chromatography tubing

Hydraulic Tubing

High Pressure Tubing

Cleaned Tubing

Multi Core Tubing

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Why Choose Bright Annealed Tube?

1. Superior Surface Finish

The traditional annealing: Open furnace---Oxygen atmosphere---form Scale, tarnish the material, For more than 12m tubes this method is hard to clean inner surface.

A special bright annealing: Closed furnace---Intert atmosphere use noble gases (Nitrogen and argon) Preventing Oxygen to contact with marterial ---Surface finish is clean, bright and precision, which is an excellent starting point for further process,like electro-polishing and mechanical polishing. For more than 12m tubes, this method is much cleaner smoother on both inner and outer surface.


2. Better Mechanical Property

The temperature of furnace can reach more than 1350℃, and the tolerance for setting and real temperature can be controlled whithin +/-2℃, which is impossible for the traditional annealing.


3.Perfect Inspection Method And Inspection Equipment

100%PMI test

100%Hydraulic test

100%Inner cleaned by sponge

100%Dimension test

100%Surface test

Quality of precision drawn tubing is same to precision rolling.


4. More Precision Dimension

Advanced cold drawn technology from Japan and Korean,Making the close dimension controls.

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Quality Control

1~ Incoming Raw Material Inspection

2~ Raw Material Segregation to avoid steel grade mix-up

3~ Heating and Hammering End for Cold Drawing

4~ Cold Drawing and Cold Rolling, on line inspection

5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T

6~ Straightening-Cutting to specified length-Finished Measuring Inspection

7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc.

8~ Packing and Stocking.


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