Seamless Steel Tubes for High Pressure Boiler

Name: Seamless Steel Tubes for High Pressure Boiler
Brand: Torich International Limited--The Steel Tube Maker
Rating: 4.4 (33 reviews)

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Model No. :	GB 5310
Brand Name :	TORICH
Type :	Seamless
Certification :	UL
Application :	Boiler Pipe
Section Shape :	Round
Surface Treatment :	Oiled
Usage :	Thermal Equipment
Technique :	Hot Rolled
Material :	20G 20MnG 25MnG
OD :	4-1200mm
WT :	0.3-200mm
Length :	4-12.5m
Product Name :	Seamless Steel Tubes And Pipes GB 5310
Standrad :	GB 5310

9yrs

Ningbo, Zhejiang, China

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Product description

Seamless Steel Tubes and Pipes for High Pressure Boiler GB 5310

We are manufacturer of Seamless Boiler Steel Tubes,Steel Heat Exchanger Tubes,Alloy Steel Boiler Tube Suppliers in China,

if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.

Our main products:Seamless Boiler Steel Tubes,Steel Heat Exchanger Tubes,Seamless Carbon Boiler Tube,Alloy Steel Boiler Tube

Spec:

Material:20G 20MnG 25MnG

Size Range:OD:4-1200mm

WT:0.3-200mm

General Length:4-12.5m

Tolerance:

According to the following tables or customers` request.

Tolerance of the OD &WT:

Producing method	Size			Tolerance
				General	High grade
Hot rolling (extrude)	D	<54		±0.40	±0.30
		>54~325	S≤35	±0.75%	±0.5%
			S>35	±1%	±0.75%
		>325		±1%	±0.75%
	S	≤4.0		±0.45	±0.35
		>4.0~20		±12.5%-10%	±10%
		>20	D<219	±10%	±7.5%
			D≥219	±12.5%-10%	±10%
Hot expand	D	complete		±1%	±0.75%
	S			+20%-10%	+15%-10%
Cold drawn(rolling)	D	≤25.4		±0.15	_
		>25.4~40		±0.20	_
		>40~50		±0.25	_
		>50~60		±0.30	_
		>60		±0.5%	_
	S	≤3.0		±0.3	±0.2
		>3.0		±10%	±7.5%