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VM12-SHC X20CrMoV11-1 Alloy Steel Seamless Pipes High Corrosion Resistance

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VM12-SHC X20CrMoV11-1 Alloy Steel Seamless Pipes High Corrosion Resistance

Brand Name : BEST

Model Number : 1/2''-48''

Certification : API, CE, PED, ISO

Place of Origin : China/Japan

MOQ : Negotiation

Price : Negotiation

Payment Terms : L/C /TT

Supply Ability : 10000ton/Month

Delivery Time : 5-8 working days

Packaging Details : Pipes May be furnished bard or coated and with capped ends

Material : Alloy Steel

Standard : API / GB / DIN/ ASTM /EN/NFA/BS/UNI/ISO/GOST/JIS /GB5310

Grade : P91/T91/X10CrMoVNb9-1/ 13CrMo9-10, 15NiCuMoNB5-6-4

Certificate : EN10204 -3.1 /3.2

Packing : Pipes May be furnished bard or coated and with capped ends

Specific Qualification : TUV:AD WO-TRD100 / PED97/23/EC /IBR

Test : Heat Analysis/Tensile Test/Impact Test /NDE/PMI

OD Tolerance : ±1% or ±0.5mm , Whichever is the greater

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Name : VM12-SHC high-corrosion resistant Seamless Pipes the replacement of X20CrMoV11-1 in existing power plants.

DEFINITION

VM12-SHC (super high-corrosion resistant) is a 12Cr-1.6Co-1.5W ferritic-martensitic steel developed by Vallourec. It is micro-alloyed with vanadium and niobium and has controlled boron and nitrogen contents.

APPLICATION

Applications include advanced fossil-fuelled power plants and HRSG (Heat Recovery Steam Generators) or the replacement of X20CrMoV11-1 in existing power plants.

CHALLENGES

VM12-SHC exhibits good creep behavior, comparable with that of grade T/P91, and excellent processing characteristics (i.e. cold bending and weldability) similar to that of 9 % Cr steels. Its 12 % chromium content offers excellent oxidation resistance up to 650 °C. The maximum permissible temperature is 620 °C according to ASME Code Case 2781 and VdTÜV 560/2. Seamless tubes in VM12-SHC manufactured at Vallourec’s European mandrel mills are supplied in the normalized and tempered condition with wall thicknesses of up to 12 mm.

Chemical Composition - ASTM A213 T22 Tubes

UNS
K21590
C
Mn
P
S
Si
Cr
Mo
0.05 - 0.15
0.30 - 0.60
0.025
0.025

0.50
1.90 - 2.60
0.87 - 1.13

Physical Properties - ASTM A213 T22 Tubes

UNS K21590
Tensile Strength,
min, ksi(MPa)
Yield Strength,
min, ksi(MPa)
Elongation in 2 in.
or 50 mm, min %
Hardness
Brinell
Rockwell
60 (415)
30 (205)
30
163 HB / 170 HV
85 HRB

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Product Tags:

alloy steel seamless tubes

      

seamless alloy steel tube

      
VM12-SHC X20CrMoV11-1 Alloy Steel Seamless Pipes High Corrosion Resistance Manufactures

VM12-SHC X20CrMoV11-1 Alloy Steel Seamless Pipes High Corrosion Resistance Images

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