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ALLOY SEAMLESS PIPE
ALLOY STEEL SEAMLESS PIPE
ALLOY SEAMLESS PIPES
ALLOY A335 SEAMLESS PIPE
ALLOY SEAMLESS PIPE
ALLOY STEEL SEAMLESS PIPE
ALLOY SEAMLESS PIPES
ALLOY A335 SEAMLESS PIPE

ALLOY SEAMLESS PIPE

Alloy Steel Seamless Pipes are available in various types such as Seamless / ERW / Welded / Fabricated / LSAW Pipes. They are also available in various forms such as Round, Square, Rectangular, Hydraulic and many more.
OD:6-720MM
WT:0.5-120MM
Product Introduction
Technical Data
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Product Introduction
Keywords(pipe type):Alloy Pipe, Alloy Tube, Alloy Steel Pipe, Alloy Steel Tube, High Pressure Steel Pipe, Boiler Steel Pipe, ASME SA335, P11, ASTM A335
Size:Outside Diameter: 1/8'' ~ 26'';Wall Thickness: SCH 30, 30, 40, 60, 80, 120, 140, 160, XS, XXS, STD; Length: Single Random, Double Random, Cut Length max to 23m
Standard & Grade:ASTM A333, A335 P5/P9/P11/P22/P91, DIN 17175, JIS G3458
Ends:Plain End, Beveled End, Thread End
Delivery:Within 30 days and Depends on your order quantity
Payment:TT, LC , OA , D/P
Packing:Bundled with Hemp Rope/In Bulk
Usage:Petroleum, Chemical Engineering, Electricity, Bolier
Description
OD:6-720MM
WT:0.5-120MM
Length:3-16M
Application:Petroleum, Chemical Engineering, Electricity, Boiler
Standard:ASTM A335/A335M, ASTM A213/213M, DIN17175-79, JIS3467-88,GB5310-95
Material:P5,T5,P11,P12,STFA22, P22, T91, T9,WB36
Alloy pipe is a kind of seamless steel pipe, its performance is much higher than that of general seamless steel pipe, because this type of steel pipe contains more Cr, its high temperature resistance, low temperature resistance, corrosion resistance performance is much better than other Steel pipe , so the alloy pipe is widely used in petroleum, aerospace, chemical, electric power, boiler, military and other industries.
Product SEAMLESS / ERW / SAW ALLOY STEEL PIPE
Dimension 6 mm - 1080 mm
Thickness 1mm - 135 mm
Length 3 m - 12 m or according to the requirements of clients
Standard ASTM GB DIN
Steel grade A106/53/179/214/192/210 A/B/CST37.2/35.4/35.8/52/52.3/52.4/42/4510# 20# 45#P2, P12, P11, P22, P5, P9, P91T2, T11,T5,T9,T22, 4140, 12CrMo, 15CrMo, 12Cr2Mo, 1Cr5Mo, 2CrMo4, 1Cr9Mo, 10CrMo910, etc.
Trade terms FOB/CIF/CFR
Payment terms T/T, L/C
Delivery port Tianjin, China
Delivery time 10 or according to the real quantity of the tubes
Surface treatment Black paintingVarnish painting3PEHot galvanizedor other coating according to your requirementsBare tube
End of tubes Beveled, plain, thread, plastic caps
Inspection Ultrasonic examination, eddy inspection, hydrosttic testing etc.
Package Bundles, loosen or according to your requirements
Certificate API 5L/5CT, ISO, PED etc.
Technical Data
Chemical  Composition
C, % Mn, % P, % S, % Si, % Cr, % Mo, %
0.05-0.15 0.30-0.60 0.025 max 0.025 max 0.50-1.00 1.00-1.50 0.44-0.65

Mechanical Properties
Tensile Strength, MPa Yield Strength, MPa Elongation, %
415 min 205 min 30 min

Outside Diameter & Tolerance
ASTM A450 Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6<OD≤190.5 +0.4/-1.2
190.5<OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD<25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1<OD<50.8 ±0.20
50.8≤OD<63.5 ±0.25
63.5≤OD<76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6<OD≤190.5 +0.38/-0.64
190.5<OD≤228.6 +0.38/-1.14
ASTM A530 & ASTM A335 NPS Outside Diameter, inch Tolerance, mm
1/8≤OD≤1-1/2 ±0.40
1-1/2<OD≤4 ±0.79
4<OD≤8 +1.59/-0.79
8<OD≤12 +2.38/-0.79
OD>12 ±1%
 
Wall thickness & Tolerance
ASTM A450 Hot rolled Outside Diameter, mm Tolerance, %
OD≤101.6, WT≤2.4 +40/-0
OD≤101.6, 2.4<WT≤3.8 +35/-0
OD≤101.6, 3.8<WT≤4.6 +33/-0
OD≤101.6, WT>4.6 +28/-0
OD>101.6, 2.4<WT≤3.8 +35/-0
OD>101.6, 3.8<WT≤4.6 +33/-0
OD>101.6, WT>4.6 +28/-0
Cold Drawn Outside Diameter, mm Tolerance, %
OD≤38.1 +20/-0
OD>38.1 +22/-0
ASTM A530 NPS Outside Diameter, inch Tolerance, %
1/8≤OD≤2-1/2 +20.0/-12.5
3≤OD≤18, WT/OD≤5% +22.5/-12.5
3≤OD≤18, WT/OD>5% +15.0/-12.5
OD≥20, WT/OD≤5% +22.5/-12.5
OD≥20, WT/OD>5% +15.0/-12.5
Standard


ASTM A335–for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
ASTM A519–for Seamless Carbon and Alloy Steel Mechanical Tubing
ASTM A213–for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Super heater, and Heat-Exchange Tubes
ASTM ASME (S)A-335/(S)A-335M Grade and Chemical Composition

Grade UNS C≤ Mn P≤ S≤ Si≤ Cr Mo
P1 K11522 0.10~0.20 0.30~0.80 0.025 0.025 0.10~0.50 - 0.44~0.65
P2 K11547 0.10~0.20 0.30~0.61 0.025 0.025 0.10~0.30 0.50~0.81 0.44~0.65
P5 K41545 0.15 0.30~0.60 0.025 0.025 0.50 4.00~6.00 0.44~0.65
P5b K51545 0.15 0.30~0.60 0.025 0.025 1.00~2.00 4.00~6.00 0.44~0.65
P5c K41245 0.12 0.30~0.60 0.025 0.025 0.50 4.00~6.00 0.44~0.65
P9 S50400 0.15 0.30~0.60 0.025 0.025 0.50~1.00 8.00~10.00 0.44~0.65
P11 K11597 0.05~0.15 0.30~0.61 0.025 0.025 0.50~1.00 1.00~1.50 0.44~0.65
P12 K11562 0.05~0.15 0.30~0.60 0.025 0.025 0.50 0.80~1.25 0.44~0.65
P15 K11578 0.05~0.15 0.30~0.60 0.025 0.025 1.15~1.65 - 0.44~0.65
P21 K31545 0.05~0.15 0.30~0.60 0.025 0.025 0.50 2.65~3.35 0.80~1.60
P22 K21590 0.05~0.15 0.30~0.60 0.025 0.025 0.50 1.90~2.60 0.87~1.13
P91 K91560 0.08~0.12 0.30~0.60 0.020 0.010 0.20~0.50 8.00~9.50 0.85~1.05
P92 K92460 0.07~0.13 0.30~0.60 0.020 0.010 0.50 8.50~9.50 0.30~0.60

Note: (S)A335 P91 other chemical composition are : V 0.18~0.25; N 0.030~0.070; Ni ≤ 0.40; Al ≤ 0.04 ; Nb 0.06~0.10
(S)A335 P92 other chemical composition are : V 0.15~0.25; N 0.030~0.070; Ni ≤ 0.40; Al ≤ 0.04 ; Nb 0.04~0.09; W 1.5~2.00 ; B 0.001~0.006
ASTM Standard for seamless steel pipe
Executive Standard Grade / Material Product Name
ASTM A53 A, B Black and Hot-Dipped Zinc-Coated Steel Pipes Welded and Seamless
ASTM A106 A, B Seamless Carbon Steel for High Temperature Service
ASTM A179 Low Carbon Steel Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes
ASTM A192 Low Carbon Steel Seamless Carbon Steel Boiler Tubes for High Pressure
ASTM A210 A1, C Seamless Medium-Carbon and Alloy Steel Boiler and Superheater Tubes
ASTM A213 T5, T11, T12, T22 Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes
TP 347H
ASTM A312 TP304/304L, TP316/316L Seamless Steel Pipe for Stainless Materials
ASTM A333 Gr.6 Seamless and Welded Steel Pipe for Low-Temperature Service
ASTM A335 P9, P11, P22 Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A519 41,304,140 Seamless Carbon and Alloy Steel for Mechanical Tubing
ASTM A789   Seamless Ferritic/Austenitic Stainless Steel Tubing for General Service
API Standard for seamless steel pipe    
Executive Standard Grade / Material Product Name
API Spec 5CT J55, K55, N80, L80,C90, C95, T95, P110, M65 Spectification for Casing and Tubing
API Spec 5L PSL1 / PSL2 A,B X42, X46, X52, X56, X60, X65,. X70 Specification for Line Pipe
DIN / EN Standard for seamless steel pipe    
Executive Standard Grade / Material Product Name
DN 17175/EN10216-2 ST35, ST45, ST52, 13CrMo44 Seamless Steel Tube for Elevated Temperature
DIN 2391/EN10305-1 St35, St45, St52 Cold Drawn Seamless Precision Pipe
DIN 1629/EN10216-1 St37, St45, St52 Seamless Circular unalloyed Steel Tubes Subject to Special Requirments

Painting & Coating
Black coating , oil/varnish ,FBE,2PE,3PE, galvanized etc Packaging Detail: Packing in bundles or for the client’s requirement
 










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