Iron & Steel

Polish Stainless Steel Tubes With ASTM A554 For Construction

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Quick detail:

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① Material Grade: 201,202,304, ,304L, 304H, 310S, 316, 316L, 316TI, 316H, 317L, 321

② Commodity Name:Welded Stainless Steel Tubes

③ Brand: KORER

④ Standard: ASTM A249

⑤ Delivery Condition: Bright Annealing

⑥ Application: Construction

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Description:

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Standards:

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American standards: | 　 |
ASTM A249: | Standard specification for welded austenitic steel boiler,superheater, heat-exchanger and condenser tubes. |
ASTM A269: | Standard specification for welded austenitic stainless steel tubing for general service |
ASTM A688: | Standard specification for welded austenitic stainless steel feedwater heater tubes. |
ASTM A554: | Standard specification for welded stainless steel mechanical tubing.. |
ASTM A268: | Specification for seamless and welded Ferritic/Martensitic stainless steel tubing for General Service |
ASTM A789: | Specification for seamless and welded Ferritic/Austenitic stainless steel tubing for General Service |
ASTM A312: | Seamless/Welded austenitic stainless steel pipe |
Germanic standards: | 　 |
????????? DIN17455: | General purpose welded circular stainless steel tubes |
????????? DIN17457: | Welded circular austenitic stainless steel tubes subject to special requirements; technical delivery conditions |
European Standard: | 　 |
EN 10217-7: | Welded Steel Tubes for pressure purposes-Part 7 Stainless steel tubes |
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Tube Surface

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Surface Finish | Picture |
Bright Anneal | |
Pickled |
180#-400# Grind | |
180#-600# Polish |
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Test System:
# # Chemical Composition(Spectral Analysis )
# Mechanical Property(Tensile Test Machine)
# Expansion Test(Tensile Test Machine)
# Flange Test(Tensile Test Machine)
# Flattening Test(Tensile Test Machine)
# Hardness(Sclerometer)
# Metallo Analysis(Metallo Microscope)
# Intergranular Corrosion Test
# Surface And Dimension Test
# Hydraulic Test(Hydraulic Test Machine)
# Air Pressure Test (Air Pressure Test Machine)
# Eddy Current Test(Eddy Current Machine)


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Applications:

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Fields | Applications | Fields | Applications |
Nuclear Power Staition | Condensers | Paper / Pulp | Industrial Equipments |
Thermal Power Station | Condensers | Engineering | Machineries Instrumentation Tubing |
Sugar | Evaporators, Condensers, Driers | Chemical | Heat Exchanger, Pressure Vessels |
Petrochemical Industry | Condensers, Heat Exchanger | Automobiles | Muffler Tubes, Hydraulic Tubing,Exaust Pipes, Bracket Tubes |
Fertilizers | Pressure Vessels | Architectural Construction | Construction |
Refineries | General Piping | Phamaceuticals, Diary, Food, Beverages | Machineries Process Piping |
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Specifications:

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Commodity Name | Welded Stainless Steel Tubes |
Standard | ASTM A554 |
Material Grade | T TP304,TP304L,TP304H, TP310S,TP316,TP316L,TP316Ti,TP316H,? |
TP317,TP317L,?TP321,?TP321H |
Duplex Grade | S31803 / S32205 / S32304 |
Outer Diameter | 6mm-400mm, |
Wall Thickness | 0.3mm – 4mm |
Length | Depends on Customers’ Request |
Tolerance | According to ASTM A554 |
Main? process | Welding |
Certificate | ISO 9001:2008, Manufacture License Of Pressure Tube |
Packing | Bundles With Plastic Bags, Wooden Box With Angle Steel Frame Or others |
Payment Terms | T/T, L/C at sight |
Delivery Time | Generally 15Days – 45Days Or Depends on the quantity and Customers’ Request |
Capacity | 1000 Tons Per Month |
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Competitive Advantage:

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I.?? Supply Best?Prices?With?Good?Quality?Of?The?Materials.
II.? Prompt Delivery Time Based On Sales Contract.
III.?We?Have?Advanced?Ndt?Equipments?For?The?Tests?Such?As?Eddy?Current?Test,?Ultrasonic?Test,

Hydraulic?Test?And?So?On.
IV.We?Have?Complete?After-Sale?Service?To?Deal?With?The?Problems?In?Time.

V.?Wooden?Case?Package?Which?Is?Strong?And?Suitable?For?Sea?Transport?And Which Is Our Main Method To Protect The Tubes.Also We Will Depends On The Sizes Of The Tubes To Select More Ecomony Packing Method By Bundle.