Construction Machinery

Seamless Stainless Steel Boiler Tube 4 Inch Schedule 40 Custom ASTM A269 / A249

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Quick Detail:

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Product: | Welded Stainless Steel Boiler Tube |
Manufacturing Process: | Cold drawn, Pickled, Annealed |
Standard | ASTM A312/ A213/A269/A249 |
Material Grade: | Austenitic: TP316/316L/316Ti,TP310S/310H, TP321, TP321H, TP304/304L ETC |
EN Standard: 1.4845,1.4539,1.4162 |
Outside Diameter. | Φ6.00mm-Φ114.3 mm; 1” NB to 4” NB |
Thickness: | 1mm-8mm; SCH5/10/40/80 |
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Description:

American standards:

ASTM A 213/A 213M ASME SA213/SA213M Specification for Seamless Ferric and Austenitic Alloy-Steel Boiler, Super heater, and Heat-Exchanger Tubes

ASTM A 249/A 249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser tubes

ASTM A268/A268M, ASME SA268/SA268M Specification Seamless and welded ferritic and martensitic stainless steel tubing for general service

ASTM A269/A269M, ASME SA269/SA269M Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM A312/A312M, ASME SA312/SA312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes

ASTM A 358/A 358M Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

ASTM A376/A376M, ASME SA376/SA376M Seamless austenitic steel pipes for high-temperature central-station service

ASTM A409/SA409 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High Temperature Service

ASTM A 530/ A 530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe

ASTM A 554 Specification for Welded Stainless Steel Mechanical Tubing

ASTM A731 / A731M Seamless and Welded Ferritic and Martensitic Stainless Steel Pipe

ASTM A 778 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products

ASTM A790/A790M, ASME SA790/SA790M Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

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EN Standards

EN 10216-5 Welded Stainless Steel Tube

EN 10216-7 Seamless Stainless Steel Tube
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Size Detail:

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Production | ?Outside Diameter | Wall Thickness |
Stainless Steel Seamless Welded?? Boiler pipe | 6.00mm to 114.3 mm | 1 mm to 8mm |
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Application:

The products are applied to trades such as papermaking, chemical industry, shipbuilding, petroleum, electricity, food, pharmacy, natural gas, metallurgry, architecture, sewage disposal, environmental protection, aerospace,heat exchanger, etc. Extensively.

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Material Grade Specification:

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American Standard | Austenitic Steel: TP304(0Cr18Ni9),TP304H(1Cr18Ni9),TP316Ti(0Cr18Ni12Mo2Ti), TP304L(00Cr19Ni10),TP316(0Cr17Ni12Mo2),TP316L(00Cr17Ni14Mo2), TP310S(0Cr25Ni20,2520),TP321H(0Cr18Ni11Ti),TP317L(00Cr19Ni13Mo3), TP317(0Cr19Ni13Mo3), TP347(0Cr18Ni11Nb), TP347H(1Cr19Ni11Nb), TP321(0Cr18Ni10Ti), Duplex Steel : S32101,S32205,S31803,S32304,S32750, S32760 Others:TP405,TP409, TP410, TP430, TP439,... |
European Standard | 1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438, 1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501 |
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PRODUCT DETAILS :

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Name | Welded Stainless Steel Boiler Tube |
Standard | ASTM, GB, JIS, DIN, EN, AISI |
Material Grade | TP304/TP304L /TP316/ TP316L /TP316Ti /TP347/ TP347H /TP321/ TP321H / TP310S/TP310H / TP904L |
? | 2132 /2507/2520/2205 |
? | S31803, S32205 S32750 S32760 S32304 S32101 |
Outer Diameter | Seamless Pipe: 6mm-114.3mm |
? | Welded Pipe:single slit(Φ6mm-Φ630mm); girth(Φ630mm-Φ3000mm), |
Thickness | Seamless Pipe: 1mm - 8mm; SCH 5/5S/10S/40s |
? | Welded Pipe: single slit (0.5mm-25mm);girth(3mm-45mm) |
Length | 5.0-5.8 MTR, 10-11.8 MTR or as customers& acute; request |
Tolerance | According to the Standard. |
Surface | 180G, 320G, 400G Satin / Hairline |
? | 400G, 500G, 600G or 800G Mirror finish |
Test | UT,ET,HT,RT,ect,and others according to the standard,or as the requests of the customers |
Certificate | GOST9941-81,ISO 9001:2008 |
Packing Details | Plastic bags, in bundles, wooden cases or depend on buyer’s requirement |
Payment Terms | T/T, D/P at sight, L/C at sight |
Shipment Term | FOB, C&F, CIF, EXW, etc. |
Delivery Time | Depend on the quantity |
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The Flow Chart of Production Process:

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Competitive ?Advantage:


1. We offer you our best price with good quality of the materials.

2. We will deliver the materials strictly according to the the delivery date noted on the contract.

3. We also always have the huge ready stock for sell.

4. We have advanced NDT equipments for the tests such as Eddy Current test, Ultrasonic test, Hydraulic test and so on.

5.We have complete after-sale service to deal with the problems in time.

6. Wooden case package which is strong and suitable for sea transportation is our main method to pack the pipes. And the economical packing method such as packing in bundles.

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Chemical Composition of SS321and SS321H:

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? | SS 321 | SS 321H |
Ni | 9 – 12 | 9 – 12 |
Cr | 17 – 19 | 17 – 19 |
C | 0.08 max | 0.04 – 0.10 |
N | 0.10 max | ? |
Fe | Balance |
Mn | 2 max | 2 max |
Si | 0.75 max | 0.75 max |
S | 0.03 max | 0.03 max |
P | 0.045 max | 0.045 max |
Ti | 5xC min
0.60% max | 4xC min
0.60% max |
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Mechanical & Physical Properties of SS321/SS321H:

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Density | 8.0 g/cm3 |
Melting Point | 1454 °C (2650 °F) |
Tensile Strength | Psi – 75000 , MPa – 515 |
Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
Elongation | 35 % |
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Welded Stainless Steel Boiler Tube TP321 Photos:?