ALLOY STEEL PIPES ASTM A 335 STEEL PIPES Chrome Moly Pipes
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ALLOY STEEL PIPES ASTM A 335 STEEL PIPES Chrome Moly Pipes
We are leading manufacturer and stockiest of ASTM A 335 STEEL PIPES ALLOY STEEL PIPES in China.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES Specifications:
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES Size: OD: 14-914mm WT: 1-35 mm.
Forging/hot rolling/ extrusion of steel.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P11 Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P11 Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P11 Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P11 Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P11 Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement.
UTS according to SEP 1921 C/c,D/d,E/e;A388 or GB/T 6402
Excellent service for all kinds of industries, with advantages of technologies, equipment and price.
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Mechanical Tests Specified of ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P12
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P12
Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P12
Notes for Hardness Test:
P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P12
Notes for Bend Test:
For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.
The inside diameter of the bend shall be 1 inch [25 mm].
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P12
Hydrostatic Test
Each length of pipe shall be Hydro tested, at option of manufacture, nondestructive electric testing can be used.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P22 Specification:
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P22 is ordered to this specification shall be suitable for bending,
flanging (vanstoning), and similar forming operations, and for fusion welding.
Selection will depend upon design, service conditions, mechanical properties,
and high-temperature characteristics.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P22 equivalent Standards: EN 10216-2, ASTM A213, ASME SA213, GOST 550-75, NBR 5603
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P22 Equivalent Material: T22, 10CrMo910, 10CrMo9-10, 1.7380, 11CrMo9-10, 1.7383
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P22 Manufacture
Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P22 Heat Treatment
A / N+T
N+T / Q+T
N+T
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P22Chemical Composition:
C, % Mn, % P,% S,% Si,% Cr,% Mo,%
0.05-0.15 0.30-0.60 0.025 max 0.025 max 0.50 max 1.90-2.60 0.87-1.13
ASTM A335/ASME A335 P22 Alloy Pipe Steel Mechanical Properties:
Tensile Strength , MPa Yield Strength, MPa Elongation, %
415 min 205 min 30 min
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P91 Heat Treatment Requirements
P5, P9, P11, and P22
Grade
Heat Treatment Type
Normalizing Temperature Range F [C]
Subcritical Annealing or Tempering Temperature Range F [C]
P5 (b,c)
Full or Isothermal Anneal
Normalize and Temper
*****
1250 [675]
Subcritical Anneal (P5c only)
*****
1325– 1375 [715– 745]
P9
Full or Isothermal Anneal
Normalize and Temper
*****
1250 [675]
P11
Full or Isothermal Anneal
Normalize and Temper
*****
1200 [650]
P22
Full or Isothermal Anneal
Normalize and Temper
*****
1250 [675]
P91
Normalize and Temper
1900-1975 [1040– 1080]
1350-1470 [730– 800]
Quench and Temper
1900-1975 [1040– 1080]
1350-1470 [730– 800]
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P91 Chemical Requirements
Grade
P-5
P-9
P-11
P-22
P-91
P-91 shall also include the following:
Element
UNS Designation
K41545
S50400
K11597
K21590
K91560
Carbon
0.15 max
0.15 max
0.05– 0.15
0.05– 0.15
0.08– 0.12
V at 0.18– 0.25
Manganese
0.30– 0.60
0.30– 0.60
0.30– 0.60
0.30– 0.60
0.30– 0.60
N at 0.030– 0.070
Phosphorous, max
0.025
0.025
0.025
0.025
0.020
Ni at 0.40 max
Sulfur, max
0.025
0.025
0.025
0.025
0.010
Al at 0.02 max
Silicon
0.50 max
0.25– 1.00
0.50– 1.00
0.50 max
0.20 -0.50
Cb at 0.06– 0.10
Chromium
4.00– 6.00
8.00– 10.00
1.00– 1.50
1.90– 2.60
8.00– 9.50
Ti at 0.01 max
Molybdenum
0.45 -0.65
0.90– 1.10
0.44– 0.65
0.87– 1.13
0.85– 1.05
Zr at 0.01 max
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P91 Tensile Requirements
Seamless
P-5
P-9
P-11
P-22
P-91
P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
Tensile Strength, min., psi
ksi
60
60
60
60
85
MPa
415
415
415
415
585
Yield Strength, min., psi
ksi
30
30
30
30
60
MPa
205
205
205
205
415
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P91 Permissible Variation in Wall Thickness
NPS [DN] Designator
Tolerance, % from Specified
Over
Under
1/8 to 2 1/2 [6 to 65] incl., all t/D ratios
20.0%
12.5%
Above 2 1/2 [65], t/D < or = 5%
22.5%
12.5%
Above 2 1/2 [65], t/D > 5%
15.0%
12.5%
(t = Specified Wall Thickness; D = Specified Outside Diameter)
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P91 Elongation Requirements
Calculated Minimum Elongation Values
Elongation in 2 in. or 50 mm, min %
Wall Thickness
P5, P9, P11, P22
P91
in.
mm
Longitudinal
Transverse
Longitudinal
5/16 (0.312)
8
30
20
20
9/32 (0.281)
7.2
28
19
19
1/4 (0.250)
6.4
27
18
18
7/32 (0.219)
5.6
26
17
3/16 (0.188)
4.8
24
16
5/32 (0.156)
4
22
15
7/8 (0.125)
3.2
21
14
3/32 (0.094)
2.4
20
13
1/18 (0.062)
1.6
18
12
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P91 Permissible Variations in Outside Diameter
Outside Diameter at any point shall not vary from standard specified more than:
NPS [DN] Designator
Over
Under
in.
mm
in.
mm
1/8 to 1 1/2 [6 to 40], incl.
1/64 (0.015)
0.40
1/64 (0.015)
0.40
Over 1 1/2 to 4 [40 to 100], incl.
1/32 (0.031)
0.79
1/32 (0.031)
0.79
Over 4 to 8 [100 to 200], incl.
1/16 (0.062)
1.59
1/32 (0.031)
0.79
Over 8 to 12 [200 to 300], incl.
3/32 (0.093)
2.38
1/32 (0.031)
0.79
Over 12 [300]
+/- 1% of the specified outside diameter
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P1 with IBR Certified (ASTM A335 / A335M - 11 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service)
This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high temperature service. Pipe ordered to this specification shall be suitable for bending, flanges (vanishing), and similar forming operations, and for fusion welding.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P1 Name: ASTM SA335 Alloy Steel Tubes for boilers, superheaters and heat exchangers
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P2 Specifications
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P2 Size Range: 1/2" NB to 36" NB
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P2 Thickness Range: SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P2 End Connections for Line Pipes: Plain, Bevel, Screwed, Threaded
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P2 Type: Seamless / ERW / Welded / Fabricated / CDW
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P2 Form: Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P2 Length: Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
Mechanical properties of ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P5
Technological properties of ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P5
Hardness and heat treatment specification of ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P5
Annealing hardness
HBS
Cold pull hardness
HBS
Preheating temperature
℃
Quenching temperature
℃
Holding time
min
Hardening medium
Temper temperature
℃
After tempering hardness
≥HRC
salt-bath furnace
controlled atmosphere furnace
235
262
788
1191
1204
5～15
air cooling
522
60
Steel plate/Sheet
thickness / mm
σb
MPa
σs
≥/MPa
δ
Samples from the standard for 50 mm (2 in)
180 ° of cold bending test
longitudinal
horizontal
Hot-rolled/Cold rolling:5 - 150
520
415
16～18
2a
3.5a
Note:
(1) listed in the table apex diameter (d), to steel thickness (a) multiples said.
(2) in the ASTM A6 standard specified scope can meet any additional conditions.
(3) from the standard for 50 mm (2 in). ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P5 Mechanical properties ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P5 Mechanische Eigenschaften ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P5 Caracteristiques mecaniques ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d’elasticite minimale Rm Tensile strength / Zugfestigkeit / Resistance a la traction A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Chemical composition % of the ladle analysis
C(％)
Si(％)
Mn(％)
P(％)
S(％)
Cr(％)
Mo(％)
Max 0.15
0.25-1.00
0.30-0.60
Max 0.025
Max 0.025
8.00-10.00
0.90-1.10
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Round bar:
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Diameter : 1mm-2000mm
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Square bar:
Size: 50mm * 50mm-600mm *600mm
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Plate steel/flat bar:
Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Tube/pipe:
Size: OD: 6-219mm WT: 1-35 mm.
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Cold-rolled sheet: Thickness: 2-5mm Width:1000mm Length: 2000mm
ASTM A 335 STEEL PIPES ALLOY STEEL PIPES P9 Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm
The types of ASTM A 335 STEEL PIPES ALLOY STEEL PIPES
12Cr1MoV
JIS G3458 STPA23
JIS G3462 STBA23
A335 P12
A369 FP12
A199 T11
A213 T11
15CrMo
JISG3458 STPA22
JISG3462 STBA22
A335 P12
A369 FP12
A213 T12
12Cr1MoV
JIS G3458 STPA23
JIS G3462 STBA23
A335 P12
A369 FP12
A199 T11
A213 T11
15CrMo
JISG3458 STPA22
JISG3462 STBA22
A335 P12
A369 FP12
A213 T12
GB 16Mo
JIS G3458 STPA12
JIS G3462 STBA12
JIS G3462 STBA13
ASTM A369 FP1
ASTM A A250-T1
ASTM A209-T1
DIN 17175 1.5414
DIN 17175 15Mo3
GB 12CrMo
JIS G3462 STBA20
GB Cr5Mo
JIS G3458 STBA25
JIS G3462 STPA26
JIS G3458 STBA26
JIS G3462 STPA25
ASTM A389-FP5
DIN17175 12CrMo195 1.7362
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