COLD DRAWN SEAMLESS TUBES FOR Low and medium pressure boiler GB 3087

    COLD DRAWN Seamless Tube STEEL FOR Low and medium pressure boiler GB 3087     Main Steel Pipe Model 10, 20 Standard Size GB3087   seamless steel tubes for Low and medium pressure boiler  Diamensional tolerances:

Types of steel tubes	Outer diameters		Wall thickness
Cold-rolled tubes	Tube sizes(mm)	Tolerances(mm)	Tube sizes (mm)	Tolerances(mm)
	>30~50	±0.3	>3~20	±10%

 Application Used as the pipes on the heated side of low and medium pressure boilers(normally with operating pressure not higher than 5.88Mpa and operating temperature below 450 oC), as the pipes on the heated sides of high·pressure boilers, economizers, overheaters, reheaters and pipes for petrochemical industry(with the operating pressure above 9.8Mpa and operating temperature ranging between 450-650C1 Mechanical properties:

Standard codes	steel	Tensite strength(MPa)	Yield strength(MPa)	Elongation(%)	Hardness
GB3087	10	335~475	≥195	≥24	/
	20	410~550	≥245	≥20	/
ASME SA210	SA210A-1	≥415	≥255	≥30	≤143HB
	SA210C	≥485	≥275	≥30	≤179HB
DIN17175	ST45.8/Ⅲ	410~530	≥255	≥21	/
	15Mo3	450~600	≥270	≥22	/

  Chemical composition:

Standard codes	steel	Chemical compositions (%)
		C	Si	Mn	P	S	Cr	Mo
GB3087	10	0.07~0.13	0.17~0.37	0.38~0.65	≤0.030	≤0.030
	20							/
ASME SA210	SA210A-1	0.13~0.19	≥0.1	0.45~0.65	≤0.030	≤0.030
	SA210C	0.18~0.24		0.80~1.10
DIN 17175	ST45.8/Ⅲ	≤0.21	0.10~0.35	0.40~1.20	≤0.040	≤0.040
	15Mo3	0.12~0.20		0.40~0.80	≤0.035	≤0.035		0.25~0.35

 

Manufacturer	Hebei Province Gold Mysterious Pipe Co.,Ltd
Process	Seamless, Cold drawn
size	Outer Diameter	25.8,31.8,38,50.8mmetv
	Wall Thickness	1.6-3.5mm
	Length	max 12m
Contact	Elina Wong   86-0312-6721288 skype.....>jinaoguanye3

  Company Information    

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