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Astm A213 Astm A249 304 Stainless Steel U Tube Od 15.9mm-139.8mm

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HAINER STEEL INDUSTRIAL CO.,LTD

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Astm A213 Astm A249 304 Stainless Steel U Tube Od 15.9mm-139.8mm

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Brand Name :	Cosco Steel
Model Number :	304 , 304L , 310S , 309S, 310S, 2205 etc
Certification :	ISO,SGS,CQC,etc.
Price :	Negotiation
Payment Terms :	T/T, L/C at sight
Supply Ability :	600Tons/Month
Delivery Time :	25-30 days

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Astm A213 Astm A249 304 Stainless Steel U Tube Od 15.9mm-139.8mm

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%
...

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 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
Material	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.
Material	Heat treatment	Temperure F(C) Min.	Tensile Strength Ksi (MPa), Min.	Yield Strength Ksi (MPa), Min.	Elongation %, Min.	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:

Petrochemicalindustry,Electricity,
Nuclearenergy,
Chemicalfertilizer,Boiler,Lighttextile,
Spinningandweavingindustry,
Powerindustry,
Pharmacyandbiologyetc.

Ouradvantage

100%TubeHydro-staticTestorNondestructiveElectricTest
100%EddyCurrentTest
100%UltrasonicDetectorTestifcustomerrequested
TensileandHardnessTestforeachHeatNo.’smaterial
100%Annealing&SolutionandPickling

Astm A213 Astm A249 304 Stainless Steel U Tube Od 15.9mm-139.8mm

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