Product: | alloy tube, alloy steel tube, seamless alloy steel tube |
Application: | In Petroleum, Aerospace, Chemical, Power, Boilers, Military Industry |
Size: | OD: 1/8'' ~ 26'' |
WT: SCH 30, 30, 40, 60, 80, 120, 140, 160, XS, XXS, STD | |
LENGTH: Single Random, Double Random, Cut Length max to 23m | |
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 |
End | Plain End, Beveled End, Thread End |
Zinc Coating | 10~50 g/m2 |
Packing | Bundled with Hemp Rope/In Bulk |
Introduction
Alloy seamless steel pipe is a kind of seamless steel pipe, and its performance is much higher than that of ordinary seamless steel pipe, because this steel pipe contains more Cr, and its high temperature resistance, low temperature resistance and corrosion resistance performance are better than other seamless steel pipes. So alloy tubes are widely used in petroleum, chemical, electric power, boiler and other industries.Alloy seamless steel pipe is a long strip of steel with a hollow section and no joints around it. The steel pipe has a hollow section and is widely used as a pipeline for conveying fluids, such as pipelines for oil, natural gas, gas, water and certain solid materials. Compared with solid steel such as round steel, alloy seamless steel pipe is lighter in weight and is an economical section steel widely used in the manufacture of structural and mechanical parts, such as oil transportation, stair handrails, bicycle racks, and steel used in building construction. Scaffolding etc. Making ring parts with alloy seamless steel tube can improve the material utilization rate, simplify the manufacturing process, save the material and processing time, such as rolling bearing ring, jack cover, etc., has been widely used in steel tube manufacturing. Alloy seamless steel pipe or a variety of conventional weapons indispensable material. In addition, when the circular section is under internal or external radial pressure, the force is relatively uniform, so the vast majority of alloy seamless steel tubes are round tubes.
Specification
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. |
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
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 |
Yield Strength
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, 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% |