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SUPER 304H UNS S30432 Seamless Boiler Tubes 1SUPER 304H UNS S30432 Seamless Boiler Tubes 2SUPER 304H UNS S30432 Seamless Boiler Tubes 3SUPER 304H UNS S30432 Seamless Boiler Tubes 4SUPER 304H UNS S30432 Seamless Boiler Tubes 5SUPER 304H UNS S30432 Seamless Boiler Tubes 6SUPER 304H UNS S30432 Seamless Boiler Tubes 7SUPER 304H UNS S30432 Seamless Boiler Tubes 8
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SUPER 304H UNS S30432 Seamless Boiler Tubes

Model:SUPER304H Tubes
Brand:SUPER 304H UNS S30432 Seamless Boiler Tubes
Origin:Made In Japan
Category:Industrial Supplies / Machinery / Boilers
Label:SUPER304H Tubes , UNS S30432 Tubes , SA213 CC2328 Tube
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ROLEX MATERIALS CORPORATION

Biz MemberIndia
Live Chat:Last Online:03 May, 2021

Product Description

SUPER 304H UNS S30432 Seamless Boiler Tubes 

We are Stockholder & Distributors of Austenitic Stainless Steel SUPER304H Tube, SUPER 304H Superheater Tubes, SUPER-304H Reheater Tubes, SUPER304H Seamless Boiler Tubes, SUPER 304H Tubes for Ultra-Supercritical Pressure Boilers, SUPER 304H SA213 CC 2328-1 Tubes, SUPER304H SA213 CC 2328-2 Tubes, Din 1.4907 X10CrNiCuNb18-9-3 Tubes, ASME SA213 TP304HCu Tubes, UNS S30432 Din 1.4907 Tubes, DMV 304 HCu Tubes, DMV 304HCu Seamless Boiler Tubes

 

Austenitic Stainless Steel SUPER304H Seamless Tubes

Stainless Steel SUPER 304H Seamless Boiler Tubes

SUPER304H Superheater Tubes for Ultra-Supercritical Pressure Boilers

SUPER 304H Superior Oxidation-Resistance & High-Strength 18Cr Stainless Steel Tubes

SUPER304H ASME SA213 Code Case 2328-1, 2328-2 Seamless Tubes

SUPER-304H UNS S30432 Stainless Steel Seamless Boiler Tubes

Austenitic Stainless Steel DMV304HCu Seamless Tubes

ASME CC 2328-1, ASME CC 2328-2 Stainless Steel Superheater & Reheater Tube

​ASME SA213/SA213M UNS S30432 TP304HCu Stainless Steel Seamless Boiler Tubes

​ASME SA-213/SA-213M UNS S30432 TP 304 HCu Stainless Steel Seamless Boiler Tubes

Stainless Steel DMV 304HCu Austenitic Seamless Boiler Tube

DMV304HCu Superheater Tube for Ultra-Supercritical Pressure Boilers

DMV 304 HCu Superior Oxidation-Resistance & High-Strength 18Cr Stainless Steel Tube

DMV304HCu ASME SA213 Code Case 2328-1, 2328-2 Seamless Tube

DMV-304HCu UNS S30432 Stainless Steel Seamless Boiler Tube

ASME CC2328-1, ASME CC2328-2 Stainless Steel Superheater & Reheater Tube

ASME SA213/SA213M UNS S30432 TP304HCu Stainless Steel Seamless Boiler Tube

​ASME SA-213/SA-213M UNS S30432 TP 304HCu Stainless Steel Seamless Boiler Tube

Stockholder of Austenitic Stainless Steel SUPER304H Seamless Tubes

Stockholder of Stainless Steel SUPER 304H Seamless Boiler Tubes

Stockholder of SUPER304H Superheater Tubes for Ultra-Supercritical Pressure Boilers

Stockholder of SUPER 304H Superior Oxidation-Resistance & High-Strength 18Cr Stainless Steel Tubes

Stockholder of SUPER304H ASME SA213 Code Case 2328-1, 2328-2 Seamless Tubes

Stockholder of SUPER-304H UNS S30432 Stainless Steel Seamless Boiler Tubes

Stockholder of Austenitic Stainless Steel DMV304HCu Seamless Tubes

Stockholder of ASME CC 2328-1, ASME CC 2328-2 Stainless Steel Superheater & Reheater Tube

​Stockholder of ASME SA213/SA213M UNS S30432 TP304HCu Stainless Steel Seamless Boiler Tubes

​Stockholder of ASME SA-213/SA-213M UNS S30432 TP 304 HCu Stainless Steel Seamless Boiler Tubes

Stockholder of Stainless Steel DMV 304HCu Austenitic Seamless Boiler Tube

Stockholder of DMV304HCu Superheater Tube for Ultra-Supercritical Pressure Boilers

Stockholder of DMV 304 HCu Superior Oxidation-Resistance & High-Strength 18Cr Stainless Steel Tube

Stockholder of DMV304HCu ASME SA213 Code Case 2328-1, 2328-2 Seamless Tube

Stockholder of DMV-304HCu UNS S30432 Stainless Steel Seamless Boiler Tube

Stockholder of ASME CC2328-1, ASME CC2328-2 Stainless Steel Superheater & Reheater Tube

Stockholder of ASME SA213/SA213M UNS S30432 TP304HCu Stainless Steel Seamless Boiler Tube

Stockholder of ​ASME SA-213/SA-213M UNS S30432 TP 304HCu Stainless Steel Seamless Boiler Tube

Distributor of Austenitic Stainless Steel SUPER304H Seamless Tubes

Distributor of Stainless Steel SUPER 304H Seamless Boiler Tubes

Distributor of SUPER304H Superheater Tubes for Ultra-Supercritical Pressure Boilers

Distributor of SUPER 304H Superior Oxidation-Resistance & High-Strength 18Cr Stainless Steel Tubes

Distributor of SUPER304H ASME SA213 Code Case 2328-1, 2328-2 Seamless Tubes

Distributor of SUPER-304H UNS S30432 Stainless Steel Seamless Boiler Tubes

Distributor of Austenitic Stainless Steel DMV304HCu Seamless Tubes

Distributor of ASME CC 2328-1, ASME CC 2328-2 Stainless Steel Superheater & Reheater Tube

​Distributor of ASME SA213/SA213M UNS S30432 TP304HCu Stainless Steel Seamless Boiler Tubes

​Distributor of ASME SA-213/SA-213M UNS S30432 TP 304 HCu Stainless Steel Seamless Boiler Tubes

Distributor of Stainless Steel DMV 304HCu Austenitic Seamless Boiler Tube

Distributor of DMV304HCu Superheater Tube for Ultra-Supercritical Pressure Boilers

Distributor of DMV 304 HCu Superior Oxidation-Resistance & High-Strength 18Cr Stainless Steel Tube

Distributor of DMV304HCu ASME SA213 Code Case 2328-1, 2328-2 Seamless Tube

Distributor of DMV-304HCu UNS S30432 Stainless Steel Seamless Boiler Tube

Distributor of ASME CC2328-1, ASME CC2328-2 Stainless Steel Superheater & Reheater Tube

Distributor of ASME SA213/SA213M UNS S30432 TP304HCu Stainless Steel Seamless Boiler Tube

Distributor of ​ASME SA-213/SA-213M UNS S30432 TP 304HCu Stainless Steel Seamless Boiler Tube

 

Stress corrosion cracking (SCC) is a common mode of failure encountered in boiler components especially in austenitic stainless steel tubes at high temperature and in chloride-rich water environment. Recently, a new type of austenitic stainless steels called Super304H stainless steel, containing 3% copper is being adopted for super critical boiler applications. The SCC behavior of this Super 304H stainless steel has not been widely reported in the literature. Many researchers have studied the SCC behavior of steels as per various standards. Among them, the ASTM standard G36 has been widely used for evaluation of SCC behavior of stainless steels. In this present work, the SCC behavior of austenitic Fe-Cr-Mn-Cu-N stainless steel, subjected to chloride environments at varying strain conditions as per ASTM standard G36 has been studied. The environments employed boiling solution of 45 wt.% of MgCl2 at 155 °C, for various strain conditions. The study reveals that the crack width increases with increase in strain level in Super 304H stainless steels.

Low-cost austenitic materials with high elevated temperature strength are required for superheater tubes in Japanese fossil fired boilers. To meet this requirement, a new 18-8 steel (SUPER 304H:0.1C-18Cr-9Ni-3Cu-Nb, N) was developed. The 10 5h creep rupture strength at 600 - 700 °C this steel possesses is more than 20% higher compared to ASME SA-213 TP347H which has the highest allowable stress among conventional 18-8 steels. This excellent strength is based on the precipitation strengthening effect due to a fine Cu-rich phase which takes place coherently in an austenite matrix in addition to NbCrN, Nb (C, N) and M 23C 6. The microstructural stability and the weldability of this steel are also sufficient. Superheater and reheater tubes manufactured from the new steel were put into service in a power boiler. After 2.5 years of service, confirmed that the SUPER 304H steel tube displayed stable microstructure and mechanical properties and the steam oxidation resistance of this steel was similar to fine-gained TP347H. Based on these considerations, it may be concluded that the SUPER 304H steel is a very promising material for boiler tubes from the low-cost and practical points of view. 

Properties of a new 18-8 austenitic steel tube (SUPER 304H) for fossil fired boilers after service exposure with high elevated temperature strength. Available from: https://www.researchgate.net/publication/279626705_Properties_of_a_new_18-8_austenitic_steel_tube_SUPER_304H_for_fossil_fired_boilers_after_service_exposure_with_high_elevated_temperature_strength [accessed Oct 05 2018].

Purpose: The purpose of the work was to analyse the components of Super 304H (X10CrNiCuNb18-9-3) steel steam pipelines of power units after long-term service beyond the design work time.
Design/methodology/approach: The material for investigations included the 4th stage steam superheater coils, in the form of ø 42.4 x 8.8 mm pipes, made from Super 304H (X10CrNiCuNb18-9-3) steel, intended for operation under creep conditions at the design temperature 620°C and design pressure 28.5 MPa.
Findings: The effect of cyclic creep, and therefore shut-downs and repeated start-ups after long-term service under creep conditions beyond the design work time was determined.
Research limitations/implications:
Practical implications: The presented method can be used for evaluation and qualification of structural changes in power station boiler components operating under creep conditions.

Super 304H austenitic stainless steel tubes containing 2.3 to 3 (%wt) of Cu is mainly used in superheaters and reheater of ultra-supercritical boilers. Welding high alloyed steels such as stainless steels can result in local variation of alloying elements within the weld metal and such segregation may affect the high temperature properties of the weld joint. It is preferable to control the solidification structure of the weld by altering the prevailing thermal gradients in the weld pool during welding. The effect of current pulsing on microstructure and hot tensile properties of filler added gas tungsten arc welding (GTAW) of super 304H is studied. Current pulsing is found to be beneficial in improving the hot tensile properties of super 304H GTAW joints at all test temperature, which is attributed to the grain refinement, increase in frequency of high angle grain boundaries, reduced segregation and finer carbonitrides precipitation.

Highest strength among 18Cr-8Ni austenitic stainless steels utilizing Cu-rich phase.
Fine-grained microstructure by Thermo-Mechanical Process, which contribute to superior steam oxidation resistance to conventional coarse grainded TP347H.
Superior weldability to TP347H due to smaller amount of niobium, PWHT is not mandatory and matching welding consumable is available.
Good phase stability proven by long term creep-rupture tests and actual operation results in USC boilers.
Global shipments of more than 70 thousand tons, mainly for USC boilers.

Vd TÜV Material data sheet 550 Supplement 12.2010
UNS No. S30432
ASTM A213/A213M
ASME SA213/SA213M, Code Case2328-2
DIN 1.4907 (X10CrNiCu Nb 18 9 3), according to EN 10216-5, European Standard
18Cr-9Ni-3Cu-Nb-N according to ASME SA-213, US Standard
ASME Code Case 2328-1 (03.2003), United States
VdTÜV Material data sheet 550 (09.2003), Federal Republic of Germany

 

Inspection & Approval Certificates : C/W Certificate (Calibration Works Certificate) EN 10204 3.1 / DIN 50049 3.1 / ISO 10474 3.1 Mill Test Certificate, NACE MR-0103 / NACE MR-0175 / ISO 15156, CE Marked, European Pressure Equipment Directive PED-97/23/EC, AD-2000-WO, ASME Boiler & Pressure Vessel Code Sec.II Part A Ed. 2017, API 6A (American Petroleum Institute), with 3.2 certificate duly Certified & Approved by LRS (Lloyd's Register), GL (Germanischer Lloyd), BV (Bureau Veritas), DNV (Det Norske Veritas), ABS (American Bureau of Shipping), SGS, TUV, RINA, IRS, NORSOK Approved Standard M-630, M-650 Rev.3               
 

If you have any requirement of above items, please feel free to contact us


Regards,


CONTACT PERSON :

 


MUKESH SHAH               
Director                
Mobile No. 0091 - 9820292499                
Email - 
marketing@rolexmetals.com


ROLEX METAL DISTRIBUTORS                
( A METAL & STEEL Company )                
57-A, KHATARGALLI,                
THAKURDWAR,                
MUMBAI - 400002, INDIA.                
TEL.No. 0091-22-23858802                
TEL.No. 0091-22-23823963                
FAX No. 0091-22-23898724                
Email - 
marketing@rolexmetals.com                
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ROLEX MATERIALS CORPORATION

57-A, KHATARGALLI, THAKURDWAR

Phone:
91-22-23858802
Fax:
91-22-23898724
Contact:
MUKESH SHAH (DIRECTOR)
Mobile:
0091-9820292499

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