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
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:
- Petrochemical industry,Electricity,
- Nuclear energy,
- Chemical fertilizer,Boiler,Light textile,
- Spinning and weaving industry,
- Power industry,
- Pharmacy and biology etc.
Our advantage
- 100% Tube Hydro-static Test or Nondestructive Electric Test
- 100% Eddy Current Test
- 100% Ultrasonic Detector Test if customer requested
- Tensile and Hardness Test for each Heat No.’s material
- 100% Annealing&Solution and Pickling
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.