Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers

US$300.00
1-9 Tons
US$200.00
10-99 Tons
US$100.00
100+ Tons
Product Details
Customization: Available
Type: Seamless
Technique: SAW
Jiangyin Longyu Stainless Steel Pipe Industry Co., Ltd
Manufacturer/Factory & Trading Company

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Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers pictures & photos
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers pictures & photos
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers pictures & photos
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers pictures & photos
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers pictures & photos
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers pictures & photos
  • Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
  • Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
  • Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
  • Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
  • Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
  • Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
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Product Description

Company Info.
  • Overview
  • Product Description
  • Detailed Photos
  • Product Parameters
  • Company Profile
  • FAQ
Overview

Basic Info.

Model NO.
Austenitic Seamless Tubes For Heat Exchangers
Material
Alloy Steel
Surface Treatment
Oiled
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Rectangular
Product Name
Austenitic Seamless Tubes for Heat Exchangers
Keywords
Seamless Stainless Steel Pipe
Min Thickness
0.5mm
Max Length
25 M
Tube Material
904L/254smo/410/430/316lmod/S31050/
Standard
GB /T 37578 - 2019
Grade
S31792/S31053/S31053
Common Standards 1
ASTM A312(ASME SA312)/ASTM A213(ASME SA213)
Common Standards 2
GB/T 14976/GB 13296/GOST 9941/En 10216-5/JIS G3459
Common Grade 1
304/L/H/Ln, 316/L/H/Ln/Ti/Lmod, 310S/H,317/L,321/H
Common Grade 2
347H/Hfg, N08904(904L), N08367, S31254(254smo)
Application 1
Large Boilers, Heat Exchangers, Condensers
Application 2
Evaporators and Fluid Transport
Sample
Accept
OEM & ODM Custom
Accept
Transport Package
Standard Packaging or Customized
Specification
Standard Specifications or Customized
Trademark
NOKXGROUP
Origin
Jiangsu, China
Production Capacity
500 Tons/ Month

Product Description

LONGYU 409L 439 444 GB/T 30066 Seamless And Welded Austenitic Stainless Steel Feedwater Heater Tubes For Boilers And Heat Exchangers

Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat ExchangersLongyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat ExchangersLongyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers

 

Product Description

Jiangyin Longyu - a pipe and fitting factory that can process various materials.

10-year pipe material customization: ordinary stainless steel, duplex steel, super austenitic stainless steel, ferritic steel, alloy steel, titanium alloy steel, etc.

We are an all-in-one factory that combines welded pipes, seamless pipes, precision pipes, pipe fittings, etc. We have relatively fast delivery speed and control over product quality. "Guaranteed by the quality and developed by science", "Customer needs are the company's pursuit", we pursue "first-class products", "first-class reputation" and "first-class service". Our company is willing to establish honest cooperative relationships with friends from all walks of life for mutual benefit and common development. Welcome customers to Jiangyin Longyu Stainless Steel Welded Pipe Co., Ltd. for a visit and guidance.

Process Classification Physical polishing (MP)
Pickling and polishing (AP)
Bright annealing (BA)
Electrolyte pickling (EP)
 
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
 
Detailed Photos

Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers

Product Parameters
 
Caliber Code OD SCH
Nominal Diameter
DN		 Inch Outer Diameter
mm		 SCH    5S SCH    10S SCH    40S SCH     80S SCH     10 SCH     20 SCH     30 STD SCH     40 SCH     60 XS SCH     80 SCH     100 SCH     120 SCH     140 SCH     160 XXS
6 1/8 Φ10.29 - 1.24  1.73  2.41  - - - 1.73  1.73    2.41  2.41  - - - - -
8 1/4 Φ13.72 - 1.65  2.24  3.02  - - - 2.24  2.24  - 3.02  3.02  - - - - -
10 3/8 Φ17.14 - 1.65  2.31  3.20  - - - 2.31  2.31  - 3.20  3.20  - - - - -
15 1/2 Φ21.34 1.65  2.11  2.77  3.73  - - - 2.77  2.77  - 3.73  3.73  - - - 4.78  7.47 
20 3/4 Φ26.67 1.65  2.11  2.87  3.91  - - - 2.87  2.87  - 3.91  3.91  - - - 5.56  7.82 
25 1 Φ33.4 1.65  2.77  3.38  4.55  - - - 3.38  3.38  - 4.55  4.55  - - - 6.35  9.09 
32 1.1/4 Φ42.16 1.65  2.77  3.56  4.85  - - - 3.56  3.56  - 4.85  4.85  - - - 6.35  9.70 
40 1.1/2 Φ48.26 1.65  2.77  3.68  5.08  - - - 3.68  3.68  - 5.08  5.08  - - - 7.14  10.15 
50 2 Φ60.32 1.65  2.77  3.91  5.54  - - - 3.91  3.91  - 5.54  5.54  - - - 8.74  11.07 
65 2.1/2 Φ73.02 2.11  3.05  5.16  7.01  - - - 5.16  5.16  - 7.01  7.01  - - - 9.53  14.02 
80 3 Φ88.9 2.11  3.05  5.49  7.62  - - - 5.49  5.49  - 7.62  7.62  - - - 11.13  15.24 
90 3.1/2 Φ101.6 2.11  3.05  5.74  8.08  - - - 5.74  5.74  - 8.08  8.08  - - - - -
100 4 Φ114.3 2.11  3.05  6.02  8.56  - - - 6.02  6.02  - 8.56  8.56  - 11.13  - 13.49  17.12 
125 5 Φ141.3 2.77  3.40  6.55  9.53  - - - 6.55  6.55  - 9.53  9.53  - 12.70  - 15.88  19.05 
150 6 Φ168.28 2.77  3.40  7.11  10.97  - - - 7.11  7.11  - 10.97  10.97  - 14.27  - 18.26  21.95 
200 8 Φ219.08 2.77  3.76  8.18  12.70  - 6.35  7.04  8.18  8.18  10.31  12.70  12.70  15.09  18.26  20.62  23.01  22.23 
250 10 Φ273.05 3.40  4.19  9.27  12.70  - 6.35  7.80  9.27  9.27  12.70 12.70  15.09  18.26  21.44  25.40  28.58  25.40 
 
Nominal Outer Diameter
D(mm)		 Nominal Thickness
S(mm)
  0.51 0.71 0.89 1 1.15 1.24 1.65 2.11 2.41 2.77 3.05 3.18 3.4 3.96 4.78
Φ3.175 × × ×                        
Φ6.35     × × × × ×                
Φ9.53     × × × × × × × × × ×      
Φ12.70     × × × × × × × × × ×      
Φ14.30               × × × × ×      
Φ15.88             × × × × ×        
Φ19.05           × × × × × × × × ×  
Φ25.40           × × × × × × × × × ×
Φ31.75           × × × × × × × × × ×

Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat ExchangersLongyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat ExchangersLongyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat ExchangersLongyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat ExchangersLongyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
 Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
Machinable Materials
EN TP UNS   STANDARD
1.4301 TP304 S30400   EN 10217/7TC1&TC2
1.4306 TP304L     EN 10296-2
1.4307 TP304L S30403   EN10357
1.4311 TP304LN S30453   DIN11850
1.4404 TP316 S31600   AD2000W2-W4-W10
1.4404 TP316L S31603   ASTM/ASME A/SA249
1.4406 TP316LN S31653   ASTM A269
1.4432 TP316L     ASTM A270
1.4435 TP316L     ASTM A554
1.4436 TP316     ASTM A632
1.4438 TP317L S31703   ASTM A778
1.4439 TP317LNM S31726   ASTM/ASME B/SB674
  TP317 S31700   ASTM/ASME A/SA312
1.4449 TP317     ASTM/ASME A/SA688
1.455 TP347 S34700   ASTM/ASME B/SB676
1.4541 TP321 S32100    
1.4571 TP316TI S31653    
1.4828 TP309      
1.4833 TP309S S30908    
1.4845 TP310S S31008    
1.4878 TP321H S32109    
1.4948 TP304H S30409    
1.4835 253MA S30815    
  ALLOY840 S33400    
Ferritic Steel
EN TP UNS   STANDARD
1.4016 TP430 S43000   ASTM/ASME A/SA268
1.4509 TP441     ASTM/ASME A/SA249
1.4512 TP409     EN10357
1.4521 TP444     ASTM A/SA803
  TP439M S43932   EN 10296-2
1.451 TP439M     ASTM A554
1.452 TP430Ti      
  TP439 S43035    
  TP410S S41008    
2.4630    GH3030    
Duplex Steel 
EN TP UNS GRADE STANDARD
1.4362   S32304 DSS 2304 EN 10217/7 TC1&TC2
1.4162   S32101 DSS 2101 ASTM/ASME/SA789
    S32003 DSS 2003 EN10357
1.441   S32750 DSS 2507 AD 2000 W2
1.4501   S32760   EN 10296-2
    S82031   ASTM A554
1.4462   S31803 DSS 2205 ASTM/ASME A/SA790
1.4462   S32205 DSS 2205  
1.4481   S31260    
1.4424   S31500    
1.4466   S31050    
SUPERAUSTENITIC STEEL
EN TP UNS GRADE STANDARD
1.4529   N08926 1925HMO EN10296-2
    N08367   ASTM/ASME/SA249
1.4562   N08031 ALLOY 31 ASTM A269
1.4539   N08904 904L ASTM A270
1.4547   S31254 254SMO ASTM/ASME A/SA312
        ASTM/ASME B/SB676
        AD 2000 W2
        ASTM A632
        ASTM/ASME B/SB674
        ASTM/ASME A/SA688
        ASTM/ASME B/SB674
        ASTM/ASME A/SA468
NICKEL ALLOYS
EN TP UNS GRADE STANDARD
2.4602   N06022 ALLOY 22 ASTM/ASME B/SB515
2.4605   N06059 ALLOY 59 ASTM/ASME B/SB516
2.466   N08020 ALLOY 20 ASTM/ASME B/SB626
2.4633   N06025 ALLOY 25 ASTM/ASME B/SB704
1.4563   N08028 ALLOY 28 ASTM B/SB751
1.4876   N08800 ALLOY 800 ASTM/ASME B/SB730
2.4858   N08825 ALLOY 825 ASTM/ASME B/SB468
2.436   N04400 ALLOY 400 AD 2000 W2
2.4816   N06600 ALLOY 600 EN 10217/7 TC1&TC2
2.4851   N06601 ALLOY 601  
2.47   N06058 ALLOY 2120  
2.4675   N06200 ALLOY C2000  
2.4068   N02201 ALLOY 201  
2.4733   N06230 ALLOY 230  
2.4819   N10276 C-276  
2.4856   N06625 ALLOY 625  
1.4959   N08811 INCOLOY 800HT  
2.4060    N02200 NICKEL 200  
2.4600    N10675 Hastelloy B-3  
2.4617   N10665 Hastelloy B-2  
Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers 
 
Company Profile
 Longyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat ExchangersLongyu 409L 439 444 GB/T 30066 Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes for Boilers and Heat Exchangers
FAQ

Q1: Are you a trading company or manufacturer?

We are a processing type company specializing in processing stainless steel for 304/304L large diameter thick wall stainless steel welded pipe and other materials. Prompt delivery, low price, high quality, unique insight into various materials of stainless steel, rolled round, straight seam, ring seam.

Q2: What are the company's main products?

304/304L stainless steel welded pipe processing, Thick-walled stainless steel welded pipe processing, Large diameter stainless steel welded pipe processing, Customizable stainless steel shrimp elbow, etc.

Q3:What are the advantages of your company?

We have many professionals, technical personnel, more competitive prices, and better after-sales service than other stainless steel companies.

Q4: What do you do to control product quality?

Before loading into the container, all products will go through a pre-shipment inspection by our professional QC group. UT test is called is applied to steel material, according to Sep 1921 C/c, D/d, or E/e level based on different types of steel.

Q5:What is your MOQ?

Our MOQ for each order is around 25 Tons(one container), customers can mix different types of steel to reach this quantity.

Q6: Can we visit your company and factory? 

Yes, warmly welcome! We can book the hotel for you before you come to China and arrange for our driver to our airport to pick you up when you come

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