Standard Specifications

Sunny Steel has an extensive range of boiler and stay tubes available to meet your boiler tube requirements no matter how demanding.

GB

Chinese National standards

GB 3087: Seamless steel tubes for low and medium pressure boiler
GB 5310: Seamless steel tube for high pressure boiler
GB 13296: Seamless steel tubes for boilers and heat exchangers
GB 6479: Seamless steel tubes for high-pressure chemical fertilizer equipment
GB 9948: Seamless steel tubes for petroleum cracking

ASME

American society of mechanical engineers

ASME SA-106: Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
ASME SA-192M: Seamless Carbon Steel Boiler Tubes for High Pressure
ASME SA-209M: Seamless carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
ASME SA-210M: Seamless Medium-carbon Steel Boiler and Superheater Tubes
ASME SA-213M: Seamless ferritic and austenitic alloy steel boiler, superheater and heat exchanger tubes

ASTM

Chinese National standards

ASTM A213: Seamless ferritic and austenitic alloy steel boiler, superheater and heat exchanger tubes
ASTM A 106M: Seamless Carbon Steel Pipe for High-Temperature Service
ASTM A192M: Seamless Carbon Steel Boiler Tubes for High Pressure
ASTM A210M: Seamless Medium-carbon Steel Boiler and Superheater Tubes
ASTM A 335M: Seamless ferritic alloy-steel pipe for high-temperature service

EN

Deutsche industrie normen

EN 10216-2 : Seamless steel tubes for pressure purposes

DIN

Deutsche industrie normen

DIN 17175:Seamless Tubes of Heat-resistant Steels - Technical Conditions of Delivery

JIS

Japanese industrial standards

JIS G3461: Carbon steel boiler and heat exchanger tubes
JIS G3462: Alloy steel boiler and heat exchanger tubes
JIS G3463: Stainless Steel for Boiler and Heat Exchanger Tubes

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Multi-rifled seamless steel tube

Multi-rifled seamless steel tube is used as a water wall tube loaded with a highly heated flux and is also expected to find broadened other uses in the viewpoint of iits energy saving effect and higher safety against the overheating damage. This has groove on its inside surface which functions to raise thermal efficiency by distrubing the fluid within the tube, featuring and extremely high thermal conduction property. Available grades and size range: Multi-rifled seamless steel tube are produced to meet specific end use requirements, specifications, tolerances and chemistries. Standard Grade Specification O.D.(mm) W.T.(mm) Number of rib GB/T 20409-2006 20G 15CrMoG SA-210A1 SA-210C SA-213 T2 SA-213 T12 22-83 4.5-13 4-14 Grade and Chemical Composition (%) Steel Grade C Si Mn S P Cr Mo 20G 0.17-0.23 0.17-0.37 0.35-0.65 0.015 0.025 　　 15CrMoG 0.12-0.18 0.17-0.37 0.40-0.70 0.015 0.025 0.80-1.10 0.40-0.55 A 210A1 SA-210A1 ≤0.27 ≥0.10 ≤0.93 0.020 0.025 　　 A 210C SA-210C ≤0.35 ≥0.10

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Alloy steel pipes for high pressure service

The range of Alloy steel pipes for high pressure service pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice. Related informations : European Standards for steel ASTM Standards for steel pipes JIS Seamless Pipe Tubes for Mechanical and Automobile ASTM A335 Pipe Specifications ASTM A333 Pipe Specifications ASTM A213M-09 Standard Specication ASTM A519-89/ASME SA519 Standard specification How to packing the seamless pipe Tubes in small calibers for boilers and petro chemical industry High Temperature service tube Low temperature service tubes Note: This inventory is part of the inventory, demand and other models in stock or order materials, please contact us.

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ASTM A179 Heat Exchanger Tubes

ASTM A179/A179M, ASME SA179/SA179M is the standard applicable to Seamless cold drawn low carbon steel heat exchanger and condenser tubes. When we place a specific order for SA 179 tubing, we should include below material specifications: Standard and the name of material: ASTM A179 / ASME SA 179 seamless tubes. Manufacturing types in cold drawn Size including Diameters and minimum wall thickness The factory actual scene of ASTM A179 tubes ASTM A179 Inspection Report U-Bend Fabrication Tolerances Item Condition (when) Tolercance Nominal bend radius ≤ 2 x nominal OD less than or equal to 12% Ovality 2 x nominal OD < Nominal bend radius ≤ 4 x nominal OD less than or equal to 10% Nominal bend radius > 4 x nominal OD less than or equal to 5% Nominal bend radius ≤ 2 x nominal OD 0.75 x nominal wall Mimimum wall thickness 2 x nominal OD < Nominal bend radius ≤ 4 x nominal OD 0.8 x nominal wall Nominal bend radius > 4 x nominal OD 0.9 x nominal wall Nominal bend radius

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Boiler tubes

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