ASTM A210 seamless medium carbon steel boiler and superheater tubes

 ASTM A210 is the standard covers seamless medium-carbon steel boiler and superheater tubes.

 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.

Delivery Condition:

• Annealed, Normalized, Normalized and Tempered

Surface treatment:

• 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:

Grade	C(Max)	Mn	Si(Min)	P(Max)	S(Max)
A1	0.27	Max.0.93	0.10	0.035	0.035
C	0.35	0.29~1.06	0.10	0.035	0.035

Chemical composition:

Grade	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation (%)
A1	≥ 415	≥ 255	≥ 30
C	≥ 485	≥ 275	≥ 30

Outside Diameter & Tolerance

Hot rolled	Outside Diameter, mm	Tolerance, mm
	OD≤101.6	+0.4/-0.8
	101.6＜OD≤127	+0.4/-1.2
Cold Drawn	Outside Diameter, mm	Tolerance, mm
	OD＜25.4	±0.10
	25.4≤OD≤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	Outside Diameter , mm	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
Cold Drawn	Outside Diameter , mm	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.

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