SA213 T91 Seamless Multi Rifled Boiler Steel Tubes

• Customization: Available
• After-sales Service: Technical/Sample/Quality
• Warranty: Technical/Sample/Quality
• Model NO.: T91
• 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

SA213 T91 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
 

A213 T91 Chemical Component

Grade	C	Si	Mn	P, S Max	Cr	Mo	Ni Max	V	Al Max	Nb	N
T91	0.07~0.14	0.20~0.50	0.30~0.60	0.02	8.0~9.5	0.85~1.05	0.4	0.18~0.25	0.015	0.06~0.10	0.03~0.07

 

A213 T91 Mechanical Property

Grade	T. S	Y. P	Elongation	Hardness
T91	≥ 585MPa	≥ 415MPa	≥ 20%	250HBW(25HRB)

 

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