High Pressure Boiler Tube

For the manufacture of boiler water-cooled walls, coal savers, reheaters, superheaters and steam pipes

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1000

Product serial number

Specification Range:

∮6-1100×1-100mm

Use:

For the manufacture of boiler water-cooled walls, coal savers, reheaters, superheaters and steam pipes

Main Material:

GB5310（20G、15CrMoG 、12Cr2MoG、12Cr1MoVG） EN10216-2（P235GH、P265GH） ASTM/ASME A106/SA106（A、B、C） ASTM/ASME A335/SA335（P5、P 9、P 11、P 12、P22、P 91） ASTM/ASME A213/SA213（T5、T9、T11、T12、T22、T91）

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Product description

Parameters

● Standard

Chinese National Standard	GB5310-2008
American Society of Mechanical Engineers Standard	ASME SA-106 ASME SA -192MASME SA -209M ASME SA-210M ASME SA -213MASME SA -335M
German Industrial Standard	DIN17175
Japanese Industrial Standard	JIS G3462

● Uses

For the manufacture of boiler water-cooled walls, coal savers, reheaters, superheaters and steam pipes

● Size deviation

Deviation of wall thickness and outside diameter of tubes supplied according to GB5310

Steel Tube Types	Tube size mm			Allowable Deviation
				Common Grade	High Grade
Hot rolled tube	Outer diameter D	≤ 159		± 1.0% (minimum value is ± 0.5mm)	± 0.75% (minimum value is ± 0.3mm)
		＞ 159		± 1.0%	± 0.90%
	Wall thickness S	＜ 3.5		+ 15% (minimum value is + 0.48mm-10%-0.32mm)	± 10% (minimum value is ± 0.2mm)
		3.5~20		+15%-10%	±10%
		＞ 20	D ＜ 219	± 10%	±7.5%
			D ≥ 219	+12.5%-10.0%	±10%
Cold-drawn tube	Outer diameter D	≤ 30		± 0.20mm	± 0.15mm
		＞ 30~50		± 0.30mm	± 0.25mm
		＞ 50		±0.8%	±0.6%
	Wall thickness S	2~3		+12%-10%	±10%
		＞ 3		±10%	±7.5%

Wall thickness and outside diameter deviations of tubes supplied according to GB5310

Steel Tube Types	Tube size mm		Allowable Deviation
Steel Tube Types	Tube size mm		Common Grade	High Grade
Hot rolled tube	Outer diameter D	≤ 159	±1.0%( The smallest± 0.50mm )	±0.75%( The smallest± 0.40mm )
	Outer diameter D	＞ 159	±1.0%	±0.90%
	Wall thickness s	≤ 20	+15.0%( The smallest + 0.45mm )－ 12.5% － 0.35mm )	±10%( The smallest± 0.30mm )
	Wall thickness s	＞ 20	±12.5%	±10%
Cold-drawn tube	Outer diameter D	10 ~ 30	± 0.40mm	± 0.20mm
		＞ 30 ~ 50	± 0.45mm	± 0.25mm
		＞ 50	+1.0%	±0.75%
	Wall thickness s	1.5 ~ 3.0	+15%－ 10%	±10%
	Wall thickness s	＞ 3.0	+12.5%－ 10%	±10%

Deviation of wall thickness and outside diameter of tubes supplied according to other standards　

Item	Standard		Range				Allowable deviation
Outer diameter	DIN17175		Hot pipe		D ≤ 100mm		± 0.75%( Minimum ± 0.5mm)
					D ＞ 100~ 320mm		± 0.9%
			Cold tube D ≤ 120mm				± 0.6%(Minimum ± 0.25mm)
	ASME SA -192M 、 ASME SA -209M 、 ASME SA -210M 、 ASME SA -213M 、 ASME SA -335M 、 JIS G 3461		Hot pipe	D ＜ 100mm			+0.4~ -0.8mm
				D ≥ 100~ ＜ 160mm			+0.4~ -1.2mm
				D ≥ 160~ ＜ 200mm			+0.4~ -1.8mm
				D ≥ 200 mm			+0.4~ -2.4mm
			Cold tube	D ＜ 25mm			± 0.10 mm
				D ≥ 25~ ＜ 40mm			± 0.15 mm
				D ≥ 40~ ＜ 50mm			± 0.20 mm
				D ≥ 50~ ＜ 60mm			± 0.25 mm
				D ≥ 60 ~ ＜ 80mm			± 0.30 mm
	ASME SA-106		D 10.3~ 48.3mm				± 0.40 mm
			D ＞ 48.3~ 114.3mm				± 0.79 mm
			D ＞ 114.3~ 219.1mm				+1.59~ -0.79mm
			D ＞ 219.1~ 457mm				+2.38~ -0.79mm
Wall thickness	DIN17175	D ≤ 130mm	S ≤ 2Sn				+15%~-10%
			S ＞ 2Sn~4Sn				+12.5%~-10%
			S ＞ 4Sn				± 9%
		130 ＜ D ≤ 320mm	S ≤ 0.05D				+17.5%~-12.5%
			0.05D ＜ S ≤ 0.11D				± 12.5%
			S ＞ 0.11D				± 10%
	ASME SA -192M 、 ASME SA -209M 、 ASME SA -210M 、 ASME SA -213M 、 ASME SA -335M 、 JIS G 3461		Hot pipe	S ≥ 2~ ＜ 2.4mm ，且 D ＜ 100			+40~0%
				S ≥ 2.4~ ＜ 3.8mm			+35~0%
				S ≥ 3.8~ ＜ 4.6mm			+33~0%
				S ≥ 4.6mm			+28~0%
			Cold tube	D ＜ 40		S ＜ 2mm	+0.4~ 0mm
						S ≥ 2mm	+20~0%
				D ≥ 40			+22~0%
	ASME SA-106						-12.5%