Description
ASTM A250 alloy steel tubes
ASTM A 250 Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
1)Size: OD 1/2in-5in(12.7-127mm),Wall thickness: 0.035in-0.320in(0.9-8.1mm)
2) Grade:T1, T1a, T1b ,T2, T11, T12 ,T22
3)Chemical Composition:
3)Mechanical Propertise:
4)Manufacturing Process:
Electric-resisitance welding
5)Heat treatment:
1. After welding,or when cold finished ,afterthe final cold-drawing pass,all tubes shall be heat treated.furnished in the full annealed,isothermal annealed,normalized,or normalized and tempered condition at the option of the manufacturer,iffurnished in the normalized and tempered condition.
2. When grades T1.T1a,T1b and T2 are coldfinished,the tubes may at the option of the manufacturer,be heat treated afterthe final cold-drawing pass at a temperature of 1200°F or higher.
6)Mechanical Tests Required:
Flattenting Test
Flange test
Reverse flattening test
Hardness test
Hydrostatic or Nondestructive Electric test
Linkun is one of the leading welded ASTM a250 alloy boiler tube manufacturers and suppliers, if you want to buy or import welded A250 T1b steel tube, A250 T2 steel tube, A250 T11 steel tube, A250 T12 steel tube, A250 T22 steel tube ,please feel free to contact us.
Hot Tags: ASTM A 250 T1 ASTM A 250 T1A ASTM A 250 T1B ASTM A250 T11 ASTM A250 T12 ASTM A250 T22 astm a 250 weled boiler pipe astm a250 steel pipe manufacturers
HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com
,
HSH stocks a broad range of metal materials, including aluminum, steel, stainless steel, copper and brass, and specialty metals. Also, we also sell cast fittings, cast Iron, forged fittings, cutting tools, flanges, ect. If you have any needs about our products, you can contact us.
sales@metal-pipe.com