VR
news
Home > News

Alloy Steel Pipes

Release Tme: 2023-11-02
Read:
Share:

The most common type of Alloy Steel Pipe And Tubes is seamless pipe. It is made by extruding a heated block of metal through a die and then cutting it to length. Seamless pipes are used in high-pressure applications because they can withstand greater forces than other types. They also come in several wall thicknesses so that different levels of pressure can be handled.Welded pipes are another type of alloy steel pipe. These are made by welding together two pieces of metal along their edges. Welded pipes are often used in low-pressure applications where there isn’t as much stress on the material as there would be with a seamless pipe. They also tend to be less expensive than seamless pipes since they don’t require as much labor or processing time to manufacture them. ASTM A213 Tubes are seamless, circumferential welded, or cold-worked tubing used in high temperature applications such as boilers and other similar applications. They are made from an alloy of iron, chromium, manganese, silicon, molybdenum and tungsten which provides superior strength and resistance to corrosion compared to other types of steel.

ASTM A213/ASME SA213  High Pressure Steel Tube Chemical Composition :

Grade UNS C, % Mn, % P, % S, % Si, % Cr, % Mo, %
ASTM A213 K11597 0.10-0.20 0.30-0.61 0.025 max 0.025 max 0.10-0.30 0.50-0.81 0.44-0.65

Seamless Heat Exchange Alloy Steel Tubes Mechanical Properties:

Tensile Strength , MPa Yield Strength, MPa Elongation, % Hardness, HB
415 min 205 min 30 min 163 max

Alloy Steel Tubes Outside Diameter & Tolerance :

Outside Diameter OD Tolerance WT Tolerance Ovality Tolerance Cut Length Tolerance
OD≤ 12, 7 mm ± 0, 13 mm ± 15 % + 3, 18 mm, – 0 mm
12, 7 mm < OD ≤ 38, 1 mm ± 0, 13 mm ± 10 % max, 1, 65 mm + 3, 18 mm, – 0 mm
38, 1 mm < OD ≤ 88, 9 mm ± 0, 25 mm ± 10 % max, 2, 41 mm + 4, 76 mm, – 0 mm

Quality Inspection

news-669-612

TAGS:
Copyright © Gnee Steel (tianjin) Co., Ltd All Rights Reserved.
Support: Coverweb