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| Brand Name: | Cosco Steel |
| Model Number: | 304 , 304L , 310S , 309S, 310S, 2205 etc |
| Certification: | ISO,SGS,CQC,etc. |
| Place of Origin: | China |
| MOQ: | 500Kgs/ one size |
| Price: | Negotiation |
| Payment Terms: | T/T, L/C at sight |
| Supply Ability: | 600Tons/Month |
| Delivery Time: | 25-30 days |
| Company Info. |
| HAINER STEEL INDUSTRIAL CO.,LTD |
| View Contact Details |
| Product List |
ASTM A213 ASTM A249 304 Stainless Steel Heat Exchanger Tube , OD 15.9mm-139.8mm
QuickDetail:
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%
...
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 arepacked 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,thistypeseamlessandweldedfoodsteeltubebewidelyusedinkindsofindustries:
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