Seamless Alloy Steel Tube
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Seamless Alloy Steel Tube
Seamless Alloy Steel Tube
Seamless Alloy Steel Tube
Seamless Alloy Steel Tube
A106/53/179/214/192/210 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. ASTM GB DIN

Seamless Alloy Steel Tube

Seamless alloy steel tube is used in refineries, chemical plants, power equipment, and machinery where alloy grade and pressure requirements matter.

PRODUCT TECHNICAL SPECIFICATION PLATE HEAT-ID TRACEABLE

TECHNICAL METRICS

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/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.

LOGISTICS & DISPATCH

MOQ
1 container
Lead time
7-21 working days after confirmation
Origin
China
Monthly supply
Contact sales for current production schedule

Product family

Browse more products in the Steel Pipes & Fittings product library, or send this product as a quote preset.

Overview

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. 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/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 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 painting Varnish painting 3PE Hot galvanized or other coating according to your requirements Bare tube End of tubes Beveled, plain, thread, plastic caps Inspection Ultrasonic examination, eddy inspection, hydrosttic testing etc. Package Bundles, lossen 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, Superheater, and Heat-Exchanger 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

Confirm pipe or fitting standard, grade, OD, wall thickness, length, and end finish before quotation.

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Full specifications

Full specifications

Full specifications
PropertyValue
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.
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
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

Applications

  • Export procurement and project supply
  • Fabrication, construction, and industrial processing
  • Warehouse distribution and specification-based sourcing

Packing & delivery

45-Day Seaworthy Anti-Rust

Export seaworthy packing with bundle labels and loading support.

Quality assurance

100% MTC 3.1 Verified

Mill certificate, inspection support, and shipment documentation can be coordinated before loading.

FAQ

FAQ

What should I confirm before ordering Seamless Alloy Steel Tube?

Please confirm grade or standard, size, quantity, destination port, packing method, and required inspection documents before requesting a quotation for Seamless Alloy Steel Tube.

Can Seamless Alloy Steel Tube be supplied with export documents?

Yes. Mill test certificates, packing lists, commercial documents, and optional third-party inspection can be coordinated before shipment.

Request a quote for Seamless Alloy Steel Tube

Send grade, size, quantity, and destination port for a practical export quotation.

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