ASTM
A213
/
SA213
T11
T22
T23
T5,
T9,
T91
T92,
Boil
tube,
100%
Eddy
Current
Test
&
UT
Alloy
steel
tubes
is
a
kind
of
steel
alloyed
tube
with
other
elements
in
amounts
of
between
1
and
50%
by
weight
to
improve
its
mechanical
properties.Alloying
elements
are
added
to
achieve
certain
properties
in
the
material.
As
a
guideline,
alloying
elements
are
added
in
lower
percentages
(less
than
5%)
to
increase
strength
or
harden
ability
or
in
larger
percentages
(over
5%)
to
achieve
special
properties,
such
as
corrosion
resistance
or
extreme
temperature
stability.
Main
Materials:
ASTM
213(Seamless
Ferritic
and
Austenitic
Alloy-Steel
Boiler,
Superheater,
and
Heat-Exchanger
Tubes)
ASTM
A213
T5,
T9,
T11,
T22,
T23,
T91,
T92
ASTM
A335
(Seamless
Ferritic
Alloy-Steel
Pipe
for
High-Temperature
Service)
ASTM
A335
P5,
P9,
P11,
P22,
P91,
P92
ASTM
A/ASME
SA
213
specification
pipes
are
available
in
grades
including
T5,
T9,
T11,
T22,
T23,
T91,
T92.
ASTM
A/ASME
SA335
Grade
P5,
P9,
P11,
P22,
P91,
P92.
Alloy
steel
tubes
are
generally
available
in
stock
with
OD
sizes
in
all
standard
sizes
and
thicknesses.On
demand,
we
can
offer
our
customers
with
high
quality
alloy
steel
pipes
and
tubes
with
black
painting,
anti-corrosion
oil
and
galvanised
finish.
|
Trade
Name
|
Grade
|
UNS
#
|
Heater
Tubes
|
|
1
1/4
Chrome
|
T11
|
K11597
|
A213
/
SA213
|
|
2
1/4
Chrome
|
T22
|
K21590
|
A213
/
SA213
|
|
5
Chrome
|
T5
|
K41545
|
A213
/
SA213
|
|
9
Chrome
|
T9
|
K90941
|
A213
/
SA213
|
|
T91
|
T91
|
K90901
|
A213
/
SA213
|
|
T92
|
T92
|
K92460
|
A213
/
SA213
|
|
Trade
Name
|
Grade
|
UNS
#
|
Pipe
|
Forged
/
Bored
Pipe*
|
|
1
1/4
Chrome
|
P11
|
K11597
|
A335
/
SA335
|
A369
/
SA369
|
|
2
1/4
Chrome
|
P22
|
K21590
|
A335
/
SA335
|
A369
/
SA369
|
|
5
Chrome
|
P5
|
K41545
|
A335
/
SA335
|
A369
/
SA369
|
|
9
Chrome
|
P9
|
S50400
|
A335
/
SA335
|
A369
/
SA369
|
|
P91
|
P91
|
K91560
|
A335
/
SA335
|
A369
/
SA369
|
|
P92
|
P92
|
K92460
|
A335
/
SA335
|
A369
/
SA369
|
Chemical
composition(%):
|
Grade
|
C
|
Mn
|
P≤
|
S≤
|
Si
|
Cr
|
Mo
|
|
P11
|
0.05-0.15
|
0.30-0.60
|
0.025
|
0.025
|
0.50-1.00
|
1.00-1.50
|
0.44-0.65
|
|
P22
|
0.05-0.16
|
0.30-0.60
|
0.025
|
0.025
|
≤0.50
|
1.90-2.60
|
0.87-1.13
|
|
P5
|
≤0.15
|
0.30-0.60
|
0.025
|
0.025
|
≤0.50
|
4.00-6.00
|
0.45-0.65
|
|
P9
|
≤0.15
|
0.30-0.60
|
0.025
|
0.025
|
0.25-1.00
|
8.00-10.00
|
0.90-1.10
|
|
P91
|
0.08-0.12
|
0.30-0.60
|
0.020/0.010
|
0.020/0.010
|
0.02-0.50
|
8.00-9.50
|
0.85-1.05
|
|
P92
|
0.07-0.13
|
0.30-0.60
|
0.020/0.010
|
0.020/0.010
|
≤0.50
|
8.50-9.50
|
0.30-0.60
|
Mechanical
properties:
|
Grade
|
Tensile
strength
|
Yield
strength
|
Elongation
|
|
P11,
P22,
P5,
P9
|
≥415
|
≥205
|
≥30/20
|
|
P91
|
≥585
|
≥415
|
≥20
|
|
P92
|
≥620
|
≥440
|
≥20
|
Type:Seamless
Form:Round
Pipes/Tubes,
Square
Pipes/Tubes,
Coiled
Tubes,Pan
Cake
Coils,
Hydraulic
Tubes
Length:Single
Random,
Double
Random
&
Required
Length
End:Plain
End,
Beveled
End,
Treaded
End
Protection:Plastic
Caps
Outside
Coating:Black
Painting,
Anti-Corrosion
Oil,
Galvanized
Finish,
Finish
as
per
customer
Requirements
Inspection,
Test
Reports:Mill
Test
Certificates,
EN
10204
3.1,
Chemical
Reports,
Mechanical
Reports,
PMI
Test
Reports,
Visual
Inspection
Reports,
Third
Party
Inspection
Reports,
NABL
Approved
Lab
Reports,
Destructive
Test
Report,
Non
Destructive
Test
Reports.
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