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ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm

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ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm

ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm
ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm

Large Image :  ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm

Product Details:
Place of Origin: China
Brand Name: Cosco Steel
Certification: ISO,SGS,CQC,etc.
Model Number: 304 , 304L , 310S , 309S, 310S, 2205 etc
Payment & Shipping Terms:
Minimum Order Quantity: 500Kgs/ one size
Price: Negotiation
Packaging Details: Plastic bag in bundle,Wooden box,etc.
Delivery Time: 25-30 days
Payment Terms: T/T, L/C at sight
Supply Ability: 600Tons/Month
Detailed Product Description
Type Of Tube: Welded Boiler And Heat-exchanger Tube Tube Standard: ASTM A213, ASTM A249
Surface Treatment: Annealed And Pickled Grades: Tp304 | Tp304L | Tp316 | Tp316L |Tp321 Etc.
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ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm



Quick Detail:
 
Size Random: 6mm to 50.8mm
Thickness Random: 0.5mm to 3.0 mm
Length Random: 6000mmm
Surface Finish:  2B Finish, BA Finish, No.1 Finish etc.
Tube Standard: ASTM A249 ,  ASME SA249
304 Nickel Content: Above 8%
316L Nickel Content: Above 10%
321 Nickel Content: Above 9% 
...

Specifications

Grade

200Series And 300 Series

Length

Nomal is 6/5.8m,or according to customer's demand

Size

 OD ( 6mm - 50.8mm) x WT (0.5mm - 3.0mm)

Surface

No. 1 | 2B | BA | Bright | Mirror | HL  etc. 

Packing  

Every tube is sleeved in plastic bag individually,and then several tube are packed by weaving bag,which is seaworthy.Or 50kg/bundle,500kg/bundle.We can pack as clients' requirement.

Thickness tolerance

 ±0.02mm

Technique

 Welded

Certification

 ISO,SGS,CQC,etc.

Sample

 Available

Inspection items Chemical Composition,Size ,Mechanical Properties ,Flattening Test ,Hydrostatic Test or Eddy current test or Ultrasonic test ,Surface quality ,Grain size analysis ,Hardness ,flanging test ,Bending test 
Negotiated items Intercrystalline corrosion ,Stabilization heat treatment ,BKS tube ,Air pressure test under water. ,Minimal wall thickness.

 

Specification

 

Material

ASTM A249  Chemical Composition % Max

C

Mn

P

S

Si

Cr

Ni

Mo

N B

Nb

Ti

TP304

0.08

2.00

0.045

0.030

1.00

18.0-20.0

8.0-11.0

^

^

^ .

^

TP304L

0.030

2.00

0.045

0.030

1.00

18.0-20.0

8.0-12.0

^

^

^

^

TP316

0.08

2.00

0.045

0.030

1.00

16.0-18.0

10.0-14.0

2.00-3.00

^

^

^

TP316L

0.030

2.00

0.045

0.030

1.00

16.0-18.0

10.0-14.0

2.00-3.00

^

^

^

TP321

0.08

2.00

0.045

0.030

1.00

17.0-19.0

9.0-12.0

^

0.10

^

5(C+N)-0.70

 

Material

Heat treatment

Temperure F(C) Min.

Tensile Strength Ksi (MPa), Min.

Yield Strength Ksi (MPa), Min.

Elongation %, Min.

Hardness Max.

Rockwell

TP304

Solution

1900 (1040)

75(515)

30(205)

35

90HRB

TP304L

Solution

1900 (1040)

70(485)

25(170)

35

90HRB

TP316

Solution

1900(1040)

75(515)

30(205)

35

90HRB

TP316L

Solution

1900(1040)

70(485)

25(170)

35

90HRB

TP321

Solution

1900(1040) F

75(515)

30(205)

35

90HRB

 

OD, mm

OD Tolerance

< 25.4

± 0.10

25.4 - ≤ 38.1

± 0.15

> 38.1 -< 50.8

± 0.20

50.8 -< 63.5

± 0.25

63.5 -< 76.2

± 0.30

76.2 - ≤ 101.6

± 0.38

> 101.6 - ≤ 190.5

+0.38/-0.64

> 190.5 - ≤ 228.6

+0.38/-1.14

 

 

OD, mm

WT Tolerance

≤ 38.1

+20%/-0

> 38.1

+22%/-0

 

 

OD, mm

Length Tolerance

< 50.8

+3/-0

≥ 50.8

+5/-0

 

Applications:  
 
We,this type seamless and welded food steel tube be widely used in kinds of industries:

  1. Petrochemical industry,Electricity,
  2. Nuclear energy,
  3. Chemical fertilizer,Boiler,Light textile,
  4. Spinning and weaving industry,
  5. Power industry,
  6. Pharmacy and biology etc.

Our advantage

  1. 100% Tube Hydro-static Test or Nondestructive Electric Test
  2. 100% Eddy Current Test 
  3. 100% Ultrasonic Detector Test if customer requested
  4. Tensile and Hardness Test for each Heat No.’s material
  5. 100% Annealing&Solution and Pickling

 

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