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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.
Seamless Alloy Steel Tube

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


Warehouse Storage

Shandong Juhuo Special Steel Co., Ltd. is a comprehensive enterpriseintegrating steel supply and processing. The company has a large inventory of metal materials such as stainless steel, galvanized, profiles, aluminum.copper, lead, etc, which can meet the needs of customers in different fields.The company has strong strength and has a professional team with excellent technology and rich experience.The company has also introduced advanced production equipment and processing technology, which can provide customers with steel products of various specifications and processing requirements.



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Application field

Taking technology as the guide, quality as the guarantee, and service as the purpose, the company actively explores the market, expands the scale of operation, and constantly improves enterprise management to ensure product quality and service quality.


Our Qualifications

Our FAQ

Frequently asked question

The inner layer is packed with waterproof paper, the outer layer is packed with iron sheets, and fixed with fumigated wooden pallets. It can effectively protect the product from corrosion during the shipping process.

Sure, we can send samples all over the world, and our samples are free.

You need to provide the grade, width, thickness, coating, and tonnage you need to buy.

Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo and other ports, you can choose other ports according to your needs.

Due to the cyclical changes in raw material prices, prices vary from period to period.

We have ISO9001, SGS, EWC and other certifications.

Generally speaking, our delivery time is within 30-45 days, it may be delayed if there is a large demand or special circumstances.

Of course, we welcome customers from all over the world to visit our factory.

Of course, all of our products are strictly quality tested before packing, and unqualified products will be destroyed.

Under normal circumstances, our online service time is 8:00-22:00 Beijing time, after 22:00, we will reply to your inquiry on the next working day.

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