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Seamless Alloy Steel Tube

These Alloy steel pipes & tubes are used in different application industry like oil refineries, chemical plants, fertilizers plants, petrochemicals plants and sugar mills etc.

Classification :

Seamless Pipe

Key Words:

Seamless Pipe

Product introduction

Seamless Alloy Steel Tube

Type: Alloy Pipe, Alloy Tube, Alloy Steel Pipe, Alloy Steel Tube
Application: In Petroleum, Aerospace, Chemical, Power, Boilers, Military Industry

Specification: 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

End: Plain End, Beveled End, Thread End

Packing: Bundled with Hemp Rope/In Bulk
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.
 

ProductSEAMLESS / ERW / SAW ALLOY STEEL PIPE
Dimension6 mm - 1080 mm
Thickness1mm - 135 mm
Length3 m - 12 m or according to the requirements of clients
StandardASTM GB DIN
Steel gradeA106/53/179/214/192/210 A/B/C
ST37.2/35.4/35.8/52/52.3/52.4/42/45
10# 20# 45#
P2, P12, P11, P22, P5, P9, P91 
T2, T11,T5,T9,T22, 4140, 12CrMo, 15CrMo, 12Cr2Mo, 1Cr5Mo, 2CrMo4, 1Cr9Mo, 10CrMo910, etc.  
Trade termsFOB/CIF/CFR
Payment termsT/T, L/C
Delivery portTianjin, China
Delivery time10 or according to the real quantity of the tubes
Surface treatmentBlack painting
Varnish painting
3PE
Hot galvanized
or other coating according to your requirements
Bare tube
End of tubesBeveled, plain, thread, plastic caps
InspectionUltrasonic examination, eddy inspection, hydrosttic testing etc.
PackageBundles, lossen or according to your requirements
CertificateAPI 5L/5CT, ISO, PED etc.

Technical data

Chemical  Composition

C, %Mn, %P, %S, %Si, %Cr, %Mo, %
0.05-0.150.30-0.600.025 max0.025 max0.50-1.001.00-1.500.44-0.65

Mechanical Properties

Tensile Strength, MPaYield Strength, MPaElongation, %
415 min205 min30 min

Outside Diameter & Tolerance

ASTM A450Hot rolledOutside Diameter, mmTolerance, 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 DrawnOutside Diameter, mmTolerance, 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 A335NPSOutside Diameter, inchTolerance, 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 A450Hot rolledOutside Diameter, mmTolerance, %
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 DrawnOutside Diameter, mmTolerance, %
OD≤38.1+20/-0
OD>38.1+22/-0
ASTM A530NPSOutside Diameter, inchTolerance, %
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, Superheater, and Heat-Exchanger Tubes
ASTM ASME (S)A-335/(S)A-335M Grade and Chemical Composition

GradeUNSC≤MnP≤S≤Si≤CrMo
P1K115220.10~0.200.30~0.800.0250.0250.10~0.50-0.44~0.65
P2K115470.10~0.200.30~0.610.0250.0250.10~0.300.50~0.810.44~0.65
P5K415450.150.30~0.600.0250.0250.504.00~6.000.44~0.65
P5bK515450.150.30~0.600.0250.0251.00~2.004.00~6.000.44~0.65
P5cK412450.120.30~0.600.0250.0250.504.00~6.000.44~0.65
P9S504000.150.30~0.600.0250.0250.50~1.008.00~10.000.44~0.65
P11K115970.05~0.150.30~0.610.0250.0250.50~1.001.00~1.500.44~0.65
P12K115620.05~0.150.30~0.600.0250.0250.500.80~1.250.44~0.65
P15K115780.05~0.150.30~0.600.0250.0251.15~1.65-0.44~0.65
P21K315450.05~0.150.30~0.600.0250.0250.502.65~3.350.80~1.60
P22K215900.05~0.150.30~0.600.0250.0250.501.90~2.600.87~1.13
P91K915600.08~0.120.30~0.600.0200.0100.20~0.508.00~9.500.85~1.05
P92K924600.07~0.130.30~0.600.0200.0100.508.50~9.500.30~0.60

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

PACKING AND SHIPPING

We have established a professional international trade service team with a global sales network. With many advantages, we cooperate with customers in North America, South America, Europe, Southeast Asia, Middle East and Africa

FACTORY APPEARANCE

The company has advanced production equipment and technical strength, adopts internationally advanced production technology and quality control system to ensure that each batch of steel can meet or exceed international standards. Equipped with a complete product production line, the main equipment includes cutting machines, bending machines, punching machines, water jet cutting machines, polishing machines, plate cutting machines, wire drawing machines, etc. Our products include carbon steel, stainless steel, steel pipes, steel coils, steel plates, building materials: bars, wires, spiral coils, round steel; pipes: seamless pipes, welded pipes; plates: cold and hot rolled plates/coils, thick plates, color coated plates (galvanized plates, color steel plates, galvanized aluminum steel), silicon steel, strip steel; steel sections: working channel steel, H steel, square steel, flat steel, ball flat steel; up to 72 kinds of steel, with a stock of more than 200,000 tons.

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FACTORY APPEARANCE

Our products are complete in variety, sufficient in stock, of excellent quality, low in price and considerate in service. At the same time, we are also the designated supplier of many large enterprises, providing steel for major project renovations in many countries. At the same time, we have also established a professional international trade service team, with a global sales network. With many advantages, we cooperate with customers in North America, South America, Europe, Southeast Asia, the Middle East and Africa, and have established business in Peru, the Philippines, Russia, Ukraine, Belarus, Uzbekistan, Pakistan, Indonesia, Malaysia, South Africa and other places. Products are exported to more than 30 countries including Africa, Sri Lanka, Turkey, Vietnam, Laos, Brazil, Thailand, the Middle East, the United Arab Emirates, Morocco, Spain, the United States, New Zealand, Iran, etc.

Material processing
Construction
Structure construction
steel forging
Metal smelting
Precision machining
Parts processing
Ship manufacturing
Automobile manufacturing
Life support

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