ASTM A210 seamless medium carbon steel boiler and superheater tubes

ASTM A210是标准覆盖无缝的中碳钢锅炉和过热管。Seamless medium carbon steel pipe for boiler tube and boiler flue pipe, including a minimum wall thickness of the security side, the dome and the support tube and superheater tubes.

交付反对dition:

• 退火，归一化，归一化和纠正

表面处理：

• Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting

Application:

• For high, middle, low pressure boiler and pressure purpose

ASTM A210/ASME SA210 Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes.

Mechanical Properties:

年级	Tensile strength （MPA）	Yield point(Mpa) 不小于	Elongation(%) 不小于	Impact(J) 不小于	硬度 不小于
A210 A1/ SA-210A1	≥415	255		"	79小时
A210C/ SA-210C	≥485	275		"	89HRB

化学成分：

钢级	C	Si	Mn	S	P
A 210A1 SA-210A1	≤0.27	≥0.10	≤0.93	0.020	0.025
210c SA-210C	≤0.35	≥0.10	0.29-1.06	0.020	0.025

Outside Diameter & Tolerance

Hot rolled	Outside Diameter, mm	公差，毫米
	OD≤101.6	+0.4/-0.8
	101.6＜OD≤127	+0.4/-1.2
冷画	Outside Diameter, mm	公差，毫米
	OD ＜25.4	±0.10
	25.4≤38.1	±0.15
	38.1 ＜OD ＜50.8	±0.20
	50.8≤OD＜63.5	±0.25
	63.5≤OD＜76.2	±0.30
	76.2≤OD≤101.6	±0.38
	101.6＜OD≤127	+0.38/-0.64

Wall thickness & Tolerance

Hot rolled	外径，毫米	Tolerance, %
	OD≤101.6, WT≤2.4	+40/-0
	OD≤101.6, 2.4＜WT≤3.8	+35/-0
	OD≤101.6，3.8 ＜Wt≤4.6	+33/-0
	OD≤101.6，WT> 4.6	+28/-0
	OD> 101.6，2.4 ＜wt≤3.8	+35/-0
	OD> 101.6，3.8 ＜Wt≤4.6	+33/-0
	OD> 101.6，wt> 4.6	+28/-0
冷画	外径，毫米	Tolerance, %
	OD≤38.1	+20/-0
	OD> 38.1	+22/-0

• Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
• Max length: 25000mm, also U bending can be offered.
• Keyword: boiler steel pipe, astm A210, ASME SA210, SA210A1

Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.