Boiler Pipe-Huayuan Taigang New Materials Co., Ltd.

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Boiler Pipe

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Standard: GB3087-1999, ASTM A179, JIS G3454, ASTM A210, ASTM A192, ASTM A335, ASTM A333, ASTM A268, DIN 17175

Application: Used for manufacturing superheated pipelines, the steam pipe, boiling water tube, flue tube, small flue tube, etc.of low, mediam pressure boiler, the general industry boiler

Sizes:

Out diameter:10mm to 510mm
Wall thickness:1.5mm to 26mm

Out Diameter Torlerances

Standard	Out Diameter	Tolerance
GB3087	≤180	±1.0%(min: ±0.5mm)
GB5310	≤50	±0.5mm
GB5310	>50	±1.0%

Wall Thickness Tolerances

Standard	Wall Thickness(mm)	Tolerance
GB3087	3-20	+15%,12.5%
GB3087	>20	±12.5%
GB5310	<3.5	+15%,-10%
	3.5-20	+15%,-10%
	>20	±10%

Chemical composition and mechanical properties

Standard	Grade	Chemical composition(%)					Mechanical properties
Standard	Grade	C	Si	Mn	P	S	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)
DIN17175	St35.8	≤0.17	0.10-0.35	0.40-0.80	≤0.030	≤0.030	360-480	≥235	≥25
DIN17175	St45.8	≤0.21	0.10-0.35	0.40-1.20	≤0.030	≤0.030	410-530	≥255	≥21

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