12cr2mo/P22/T22 Seamless Boiler Tube Alloy Steel Tubing

• After-sales Service: Supplied
• Warranty: 30 Years
• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Varnishing
• Model NO.: Alloy Tube
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Applicaiton: Electric/Nuclear Power
• Applicaiton2: Oil and Gas Exploitation
• Applicaiton3: Oil Refining
• Applicaiton4: Chemical&Fine Chemical Industry
• Applicaiton5: Coal Chemical Industry
• Applicaiton6: Offshore Engineering&Shipbuilding
• Applicaiton7: Seawater Desalination&Water Treatment
• Applicaiton8: Natural Gas
• Applicaiton9: Instrumentation Tubing
• Applicaiton10: Heat Exchanger/Condenser/Heat Transfer/Rradiator
• Applicaiton11: Chemical Fertilizer/Fibre
• Applicaiton12: Sanitary Tube
• Applicaiton13: Aviation&Aerospace
• Applicaiton14: Oilfield
• Applicaiton15: Tanker
• Transport Package: Plywood Case, Bundled with Plastic Bags
• Specification: OD 17.2-168.3mm
• Trademark: EZS
• Origin: China
• HS Code: 73043190
• Production Capacity: 200000 Tons/Year

Product Description

Product Description

12Cr2Mo Seamless Boiler Tube is equal to ASTM A335 P22 Boiler Pipes and ASTM A213 T22 Tubes. GB/T9948 12Cr2Mo steel tubing is a pearlite heat-resistant steel with hydrogen corrosion resistance, good high-temperature mechanical properties, and the temperature creeps resistance, widely used for petroleum cracking

 

Size: OD 20-880mm; WT 2-75mm.

 

Manufacturing method: 

-W-H: Hot Rolled

-W-C: Cold Drawn

 

Chemical Requirements: 

Grade	Composition,%
12Cr2Mo	C	Si	Mn	Cr	Mo	Ni	Nb	Ti	V	Cu
	0.08-0.15	≤0.5	0.4-0.6	2.0-2.5	0.9-1.13	≤0.30	-	-	-	≤0.20

 

Mechanical property: 

Grade	Tensile Strength, [MPa]	Yield Strength, min [MPa]	Elongation min,%
12Cr2Mo	450-600	280	22

 

Heat treatment:

S<30 mm: Normalization("N") and tempering("T")

"N" temperature 900ºC-960 °C, "T" temperature 700ºC-750 °C;

S>30 mm: Quenching("Q") and tempering("T") or normalizing("N") and tempering("T")

"Q" temperature is not less than 900 °C, "T" temperature 700 °C'-750 °C;

"N" temperature 900ºC-960°C, "T"temperature 700ºC-750°C, but "Q" should be performed after "N".

 

 

Test & Inspection: 

-Tensile test; Impact test; Hydraulic test; Flattening test; Bending test; Flaring test; Low power test; Nonmetallic inclusion; Nondestructive testing; Intercrystalline corrosion test.

-Surface, Quantity & Dimension inspection.

 

Package: Black painting with plastic caps; Sea-worthy bags;