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ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm

ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm

China ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm, Find details about China Gas Water Heater Tube, Steam Boiler Tube from ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm

Model NO.
seamless pipe
Surface Treatment
Pickling
Special Pipe
Tube for Pressure Vessel
Delivery Time
7 Days
Quality
High Quality
Price
Low
Inspection
Factory in Houseself Check or 3rd Party Inspection
Wall Thickness
1.2mm-9.5mm
out Diameter
15.9mm-139.8mm
Certificate
ISO-9001/2000,PED,ABS.TUV.Dnv
Trade Term
Fob, CNF&CFR, CIF
Package
Wooden Box/ PVC Bags/ Steel Strips/Plastic Plates
Application1
High/Super-High Pressure Power Boiler
Surface Condition
Oiled, Pickled, Passivated, Prime Polishing
Application2
Superheating Steam Tube
Application3
Boiling Water Pipe & Superheating Tube
Test
NDT/Ht/It/Ict/Ect/Ufd
Trademark
EZS
Transport Package
Wooden Box/ PVC Bags/ Steel Strips/Plastic Plates
Specification
OD: 15.9mm-139.8mm
Origin
China
HS Code
730441
Model NO.
seamless pipe
Surface Treatment
Pickling
Special Pipe
Tube for Pressure Vessel
Delivery Time
7 Days
Quality
High Quality
Price
Low
Inspection
Factory in Houseself Check or 3rd Party Inspection
Wall Thickness
1.2mm-9.5mm
out Diameter
15.9mm-139.8mm
Certificate
ISO-9001/2000,PED,ABS.TUV.Dnv
Trade Term
Fob, CNF&CFR, CIF
Package
Wooden Box/ PVC Bags/ Steel Strips/Plastic Plates
Application1
High/Super-High Pressure Power Boiler
Surface Condition
Oiled, Pickled, Passivated, Prime Polishing
Application2
Superheating Steam Tube
Application3
Boiling Water Pipe & Superheating Tube
Test
NDT/Ht/It/Ict/Ect/Ufd
Trademark
EZS
Transport Package
Wooden Box/ PVC Bags/ Steel Strips/Plastic Plates
Specification
OD: 15.9mm-139.8mm
Origin
China
HS Code
730441
NameASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
StandardASTM, GB, JIS, DIN, EN, AISI
Material GradeTP304 TP304L TP316 TP316L TP347 TP347H TP321 TP321H TP310 TP310S
TP410 TP410S TP403
S31803/S32205 S32750 S32760
Outer DiameterSeamless Pipe: 12mm-813mm
ThicknessSeamless Pipe: 0.5mm - 60mm
Length5.8,12m or as customers' request
ToleranceAccording to the Standard
Surface180G, 320G, 400G Satin / Hairline
400G, 500G, 600G, 800G or Mirror finish
TestUT, ET
Delivery Time30-60 Days, Depends on quantity
Stainless steel tube
Specifications:
1) Diameters: 4 - 76.2mm
2) W. T.: 0.4 - 2.5mm
3) Grades: 316L/304/304L/310S, etc.
4) Standard: GB/ISO/EN/ASTM/JIS, etc.
5) Application range: Widely use in the foodstuff, medical equipment, power, boiler, cooler, auto, condenser etc.
6) Packing: Inner packing: 1 PC/plastic bag; Outer packing: Bundles in weaving bags or in plywooden case.
Outside path in class deviation mm table 3
 		Outside path inIIclass deviation mm table 4
Outside pathAdmission deviation
<25±0.10
≥25~38.1±0.15
>38.1~50±0.20
≥50~63.50.25
>63.5~76±0.30
≥76~102±0.40

 
Outside pathAdmission deviation
≤10±0.15
>10~32±0.20
>32~50±0.30
>50±0.8%

 
 

 
 

The thick the deviation of admission( do not include the weld sew) in wall of the weld tube is for ruling the wall thick 10% of ±, but minimum admission deviation is the 0.02 mms of ±.
The weld takes care of of settle Chinese foot length as 3 ms~9 ms, general settle the Chinese foot with the 6 ms.

The weld takes care of of settle the Chinese foot length in usually length, its the deviation of admission is the 5 mms of ±.
Adopt partial the degree of flinch in a the tube of weldfor keeping the Chinese foot measurement should not very in 2.0 mms.
The machine function sees the table 5
table 5
Steel numberCard numberThe heat handles
Make degree

 		The anti- pulls the strength
MPa		Accept defeat the strength
MPa		Extension rate%Degree of hardnessHRB
0Cr19N19304≥1010°C
Nasty and cold		≥520≥20540≤90
00Cr19Ni11304L" "≥480≥17540≤90
0Cr17Ni12M02316" "≥520≥20540≤90
0Cr17Ni14M02316L" "≥480≥17540≤90
0Cr18Ni11Ti321≥920°C
Nasty and cold		≥520≥20540≤90

ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm
ASTM A312/A321m, 304/304L, Super Duplex Stainless Steel Pipe, Od 21.34mm/26.67mm


FAQ
 
1. Are you a munufacturer or a trading company ?
    We are manufacturer for most sizes above-listed, also help customer for the whole package if necessary.
2. Where is your plant located in China ?
    Carbon steel plant at Cangzhou City, Stainless steel Plant at Lishui City... 3 plants as given on website.
3. Do you have a certified quality assurance system ?
    Sure. ISO 9001:2015
4. Can visit your plant before order ?
    Sure. We respect and welcome all client's plant trip.
5. What is the market percentage for domestic and international sales ?
    Dometics market share around 70%, internatioan sales less than 30% in the past 5 years.


 

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