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Product: |
alloy tube, alloy steel tube, seamless alloy steel tube |
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Application: |
In Petroleum, Aerospace, Chemical, Power, Boilers, Military Industry |
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Size: |
OD: 1/8'' ~ 26'' |
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WT: SCH 30, 30, 40, 60, 80, 120, 140, 160, XS, XXS, STD |
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LENGTH: Single Random, Double Random, Cut Length max to 23m |
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Standard |
GB/T 3091 Q195/Q215/Q235/Q345, BS 1387, EN 39, EN 1139 S235JR/S275JR, ASTM A53 GR. A/B/C, JIS G3444 STK 400/STK 500 |
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End |
Plain End, Beveled End, Thread End |
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Zinc Coating |
10~50 g/m2 |
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Packing |
Bundled with Hemp Rope/In Bulk |
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MTC |
100% PMI (Positive Material Identification) Testing;Chemical Analysis & Mechanical Testing;Visual & Dimensional Inspection |
Specification
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Product |
SEAMLESS / ERW / SAW ALLOY STEEL PIPE |
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Dimension |
6 mm - 1080 mm |
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Thickness |
1mm - 135 mm |
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Length |
3 m - 12 m or according to the requirements of clients |
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Standard |
ASTM GB DIN |
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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. |
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Trade terms |
FOB/CIF/CFR |
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Payment terms |
T/T, L/C |
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Delivery port |
Tianjin, China |
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Delivery time |
10 or according to the real quantity of the tubes |
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Surface treatment |
Black painting Varnish painting 3PE Hot galvanized or other coating according to your requirements Bare tube |
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End of tubes |
Beveled, plain, thread, plastic caps |
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Inspection |
Ultrasonic examination, eddy inspection, hydrosttic testing etc. |
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Package |
Bundles, lossen or according to your requirements |
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Certificate |
API 5L/5CT, ISO, PED etc. |
Application
Alloy steel seamless pipe is ideally suitable for chemical, petrochemicals and other energy-related applications. It has characteristics of high corrosion resistance and can be used in a wide range of industrial sectors.
- Chemical industries
- Petrochemical industries
- Energy-related applications
Power plant boilers, nuclear power plants, petroleum cracking pipes (ASTM A335/A213)
Chemical Composition
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C, % |
Mn, % |
P, % |
S, % |
Si, % |
Cr, % |
Mo, % |
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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 |
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Alloy Grade |
ASTM Standard |
Common Name |
Typical Application |
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P11 |
ASTM A335 |
1-1/4 Chrome |
High temp power piping |
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ASTM A335 |
2-1/4 Chrome |
Power plant boiler tubes |
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P91 |
ASTM A335 |
9Cr-1Mo-V |
Critical high-temp service |
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Power plant boiler tubes |
ASTM A335 |
2-1/4 Chrome |
Power plant boiler tubes |
Yield Strength
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Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
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415 min |
205 min |
30 min |
Outside Diameter & Tolerance
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ASTM A450 |
Hot rolled |
Outside Diameter, mm |
Tolerance, mm |
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OD≤101.6 |
+0.4/-0.8 |
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101.6＜OD≤190.5 |
+0.4/-1.2 |
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190.5＜OD≤228.6 |
+0.4/-1.6 |
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Cold Drawn |
Outside Diameter, mm |
Tolerance, mm |
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OD＜25.4 |
±0.10 |
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25.4≤OD≤38.1 |
±0.15 |
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38.1＜OD＜50.8 |
±0.20 |
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50.8≤OD＜63.5 |
±0.25 |
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63.5≤OD＜76.2 |
±0.30 |
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76.2≤OD≤101.6 |
±0.38 |
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101.6＜OD≤190.5 |
+0.38/-0.64 |
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190.5＜OD≤228.6 |
+0.38/-1.14 |
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ASTM A530 & ASTM A335 |
NPS |
Outside Diameter, inch |
Tolerance, mm |
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1/8≤OD≤1-1/2 |
±0.40 |
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1-1/2＜OD≤4 |
±0.79 |
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4＜OD≤8 |
+1.59/-0.79 |
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8＜OD≤12 |
+2.38/-0.79 |
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OD>12 |
±1% |
Wall thickness & Tolerance
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ASTM A450 |
Hot rolled |
Outside Diameter, mm |
Tolerance, mm |
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OD≤101.6 |
+0.4/-0.8 |
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101.6＜OD≤190.5 |
+0.4/-1.2 |
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190.5＜OD≤228.6 |
+0.4/-1.6 |
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Cold Drawn |
Outside Diameter, mm |
Tolerance, mm |
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OD＜25.4 |
±0.10 |
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25.4≤OD≤38.1 |
±0.15 |
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38.1＜OD＜50.8 |
±0.20 |
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50.8≤OD＜63.5 |
±0.25 |
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63.5≤OD＜76.2 |
±0.30 |
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76.2≤OD≤101.6 |
±0.38 |
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101.6＜OD≤190.5 |
+0.38/-0.64 |
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190.5＜OD≤228.6 |
+0.38/-1.14 |
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ASTM A530 & ASTM A335 |
NPS |
Outside Diameter, inch |
Tolerance, mm |
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1/8≤OD≤1-1/2 |
±0.40 |
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1-1/2＜OD≤4 |
±0.79 |
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4＜OD≤8 |
+1.59/-0.79 |
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8＜OD≤12 |
+2.38/-0.79 |
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OD>12 |
±1% |
Packing
There are probably hundreds of different methods for packing a pipe, and most of them have merit, but there are two principles that are vital for any method to work prevent rusting and Sea transportation security.Our packing can meet any needs of the customers.
Manufacture Process
Heat treatment: Mentions heat treatment processes such as normalizing and tempering.
Equipment
If you have any inquiries and questions, please contact United Steel Industry Co.,Ltd
at any time. Thanks in advance. Welcome! Email :Sales@united-steel.com
