Tp321h Seamless Multi Rifled Boiler Steel Tubes

• Customization: Available
• After-sales Service: Technical/Sample/Quality
• Warranty: Technical/Sample/Quality
• Model NO.: TP321H
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon/Alloy/Stainless
• Surface Treatment: Black
• Usage: Boiler Pipe
• Section Shape: Round
• Feature: Multi Rifled
• Keywords: Boiler Steel Pipe
• Standard: DIN/ASTM/ISO/JIS
• Inspection: PED
• Transport Package: Wooden Case
• Specification: MAX 200MM
• Trademark: SHUNFU
• Origin: China

Product Description

Product Description

TP321H Seamless Multi Rifled Boiler Steel Tubes

Application
The rifled tubes are served in super/ultra super critical water wall panels over 300,000KW of boiler, chemical, electricity industries. This has a groove on its inside surface which functions to raise thermal efficiency by distrubing the fluid within the tube, featuring an extremely high thermal conduction property.


Certificate
ISO9001: 2000, PED(Pressure Equipment Directive), TS16949, DNV, KR
 

Chemical Composition Of ASTM A213 Stainless Steel Tubes

Steel Grades	C	Mn	P	S	Si	Cr	Ni	Ti
TP321H	0.04-0.10	2.00	0.040	0.030	0.75	17.0-20.0	9.0-13.0	4C-0.60

 

Mechanical Properties Of ASTM A213 Stainless Steel Tubes

Steel Grades	Heat Treatment	Temper F (C) Min.	ASTM grain size NO.	Tensile Strength Ksi (MPa), Min.	Yield Strength Ksi (MPa), Min.	Elongation %, Min	Hardness
							Brinell	Rockwell
TP321H	Solution	2000(1100)	7	75(515)	30(205)	35	192HBW/200HV	90HRB

 

Inspections

Chemical Composition,Mechanical Properties, Dimension and Surface Inspection,Inner Organization, Grain Size, UT Test
 

Size

OD 22-83mm
WT 4.5-18mm
Number of Ribs: 4-14

Package
Hexagonal bundles, strapped, both ends protected with plastic net Or wooden boxes according to length and destination Oiled inside / outside
Marking,oil-coating,varnish,end-protection by plastic caps to be confirmed.
 

Detailed Photos