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High pressure boiler tube

For the manufacture of high temperature, high pressure and above pressure steam boilers, seamless steel pipes for pipelines, petrochemical furnace tubes, heat exchanger tubes and pressure pipes with seamless steel pipes, high-pressure fertilizer equipment and pipelines, and other chemical equipment with seamless steel pipes.

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Product Description

Commodity name: High pressure boiler tube

● Standard Standard

China National Standard	GB5310-2017
American Society of Mechanical Engineers Standard	ASME SA-106 ASME SA -192MASME SA -209M ASME SA-210M ASME SA -213MASME SA -335M
German Industrial Standards	DIN17175
Japanese Industrial Standards	JIS G3462

● Uses

Used in the manufacture of boiler water walls, economizers, reheaters, superheaters and steam pipes

● Dimensional deviation Deviation

Deviation of wall thickness and outer diameter of steel pipe supplied according to GB5310 standard

Type of steel pipe	Size of steel pipe mm			Allowable deviation
				Normal	Advanced
hot rolled tube	Outer diameter D	≤ 159		± 1.0% (minimum ± 0.5mm)	± 0.75% (minimum ± 0.3mm)
		＞ 159		± 1.0%	± 0.90%
	Wall thickness S	＜ 3.5		+ 15% (minimum +0.48 mm-10 -0.32mm)	± 10% (minimum ± 0.2mm)
		3.5~20		+15%-10%	±10%
		＞ 20	D ＜ 219	± 10%	±7.5%
			D ≥ 219	+12.5%-10.0%	±10%
cold drawn pipe	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%

Deviation of wall thickness and outer diameter of steel pipe supplied according to GB5310 standard

Type of steel pipe	Size of steel pipe mm		Allowable deviation
Type of steel pipe	Size of steel pipe mm		Normal	Advanced
hot rolled tube	Outer diameter D	≤ 159	± 1.0%(minimum ± 0.50mm)	± 0.75%(minimum ± 0.40mm)
	Outer diameter D	＞ 159	±1.0%	±0.90%
	Wall thickness s	≤ 20	+15.0%(minimum + 0.45mm )- 12.5%-0.35mm)	± 10% (minimum ± 0.30mm)
	Wall thickness s	＞ 20	±12.5%	±10%
cold drawn pipe	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 outer diameter of steel pipes supplied according to other standards

Project	Standard		Scope				Allowable deviation
Outer diameter	DIN17175		heat pipe		D≤ 100mm		± 0.75%(minimum ± 0.5mm)
					D ＞ 100~ 320mm		± 0.9%
			Cold pipe: D≤ 120mm				± 0.6%(minimum ± 0.25mm)
	ASME SA -192M or ASME SA -209M or ASME SA -210M ASME SA -335M or JIS G 3461		heat 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 pipe	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	S ≤ 0.05D				+17.5%~-12.5%
			0.05D < S ≤ 0.11D				± 12.5%
			S ＞ 0.11D				± 10%
	ASME SA -192M or ASME SA -209M or ASME SA -210M ASME SA -335M or JIS G 3461		heat pipe	S ≥ 2 ~ <2.4mm, and D < 100			+40~0%
				S ≥ 2.4 ~ < 3.8mm			+35~0%
				S ≥ 3.8 ~ < 4.6mm			+33~0%
				S ≥ 4.6mm			+28~0%
			Cold pipe	D ＜ 40		S ＜ 2mm	0.4~ 0mm
						S ≥ 2mm	+20~0%
				D ≥ 40			+22~0%
	ASME SA-106						-12.5%

Note: Sn is the standard wall thickness

High pressure boiler tube

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High pressure boiler tube

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