SA210 A1 Seamless Boiler Tubes

• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling
• Section Shape: Round
• Model NO.: KM-20201016
• Size: 17.2~114.3mm
• Thickness: 1.6~20mm
• Standards: ASTM A210,ASME A210,SA-210m
• Materials: Grade A1
• Applications: for High, Middle, Low Pressure Boiler Purpose.
• Surfaces: Oils, Varnish, Passivating, Black Painting
• Transport Package: in Bundle or Wooden Cases.
• Specification: 17.2~114.3mm
• Trademark: Kingmetal
• Origin: China
• HS Code: 73043110
• Production Capacity: 1000 Tons Per Month

Product Description

SA210 A1 Seamless Boiler Tubes

Standard: ASTM A210
Material:Grade A1
Diameter:17.2~114.3mm
Thickness:1.6~20mm
Length:2~12 meters

SA210 A1 Boiler Tubes Wall Thickness Tolerance

Seamless, Cold-Finished Tubes
Outside Diameter In. (mm)	Wall thickness Tolerance %
	Over (+)	Under (-)
1 ½ (38.1) and under	20	0
Over 1½ (38.1)	22	0

1 Tube Outside Diameter Tolerce

Cold-Finished Seamless Tubes
Outside Diameter In. (mm)	Permissible Variations In. (mm)
	Over (+)	Under (-)
Under 1 (25.4)	0.004 (0.1)	0.004 (0.1)
1 to 1 ½ (25.4 to 38.1), Incl	0.006 (0.15)	0.006 (0.15)
Over 11⁄2 to 2 (38.1 to 50.8), Excl	0.008 (0.2)	0.008 (0.2)
2 to 21⁄2 (50.8 to 63.5), Excl	0.010 (0.25)	0.010 (0.25)
21⁄2 to 3 (63.5 to 76.2), Excl	0.012 (0.3)	0.012 (0.3)

SA210 A1 Tube Cut Length Tolerance

Cold-Finished Seamless Tubes
Outside Diameter, In.(mm)	Cut Length,in.(mm)
	Over (+)	Under (-)
All Sizes	3⁄16 [5]	0 [0]
Under 2 (50.8)	1⁄8 [3]	0 [0]
2 (50.8) and over	3⁄16 [5]	0 [0]
Under 2 (50.8)	1⁄8 [3]	0 [0]
2 (50.8) and over	3⁄16 [5]	0 [0]
These permissible variations in length apply to tubes before bending. They apply to cut lengths up to and including 24 ft [7.3 m]. For lengths greater than 24 ft [7.3 m], the above over-tolerances shall be increased by 1⁄8 in. [3 mm] for each 10 ft [3 m] or fraction thereof over 24 ft or 1⁄2 in. [13 mm], whichever is the lesser

SA210 A1 Chemical Compositions

Chemical Components (%)
Grade	C	Si	Mn	P	S	Mo	Cr	V
A-1	≤0.27	≥0.10	≤0.93	≤0.035	≤0.035	/	/	/

SA210 A1 Mechanical Tests Required

Mechanical Properties
Grade	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)	Hardness (HRB)
A-1	≥415	≥255	≥30	≤79