42mm~139.7mm ASME SA210 Gr A1 Hot Rolled/Cold Rolling Seamless Steel Pipe for High Pressure Boiler Tube

• Type: Seamless
• Technique: Hot Rolled and Cold Rolled
• Material: Carbon Steel
• Surface Treatment: Black Pipe, Bare Pipe
• Usage: Pipeline Transport, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose
• Section Shape: Round
• Model NO.: IR-C steel pipe
• Outer Diameter: 21.3mm~219m
• Wall Thickness: 3mm~60mm
• Length: 6meters, 9meters, 12meters, Random Length
• End Processing: Plain Ends, Bevel Ends with Plastic Caps
• Transport Package: Standard Seaworthy Packing
• Specification: ASME SA210 GR A1
• Trademark: Iron&steel
• Origin: China
• HS Code: 73041920
• Production Capacity: 2000tons Per Month

Product Description

We are supplying prime quality seamless boiler tube by ASME SA210 standard
Our factory has advanced 127 continuous hot rolling production line, the pipe from 42mm
to 139.7mm by different standard can be produced by hot rolled technics. the pipe can be with much lower
price than cold rolled pipe, yet, pipe with very high quality.
Standard: ASME SA210, ASME SA335
Steel grade: Gr.A1, Gr.C, T11, T22, T91
Outer diameter:31.8mm~219mm (hot rolled&cold rolled)
Wall thickness: 3mm~60mm
Tolerances of diameter: ±0.4mm~±1mm
Tolerance of wall thickness: ±12.5%
Length: 6 meters, 9meters, 12 meters, Random length.
End processing: Bevel ends, Plain ends. Can be protected by end caps.
Surface: Bare pipe, Black painting, 3LPE coating, etc.
Size tolerance

Outer diameter mm	Tolerance of OD mm	Wall thickness mm	Tolerance of W.T mm
31.8-50	+/- 0.3%	3-20	+/- 7.5%
51-114	+/- 1%	3-20	+/- 8.0%
127-219	+/- 1%	5-60	+/- 8.0%

Mechanical Properties ASME  seamless steel tube:


Chemical Composition ASTM seamless steel tube: