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ASTM A210 seamless medium carbon steel pipe is applied for boiler pipe and boiler flue pipe with the minimum thickness, including safety end, vault, supporting pipe and super heater pipe.
Specification
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 |
Chemical Composition
Steel Standard | Steel Grade | ASTM A210 Chemical Compostion | |||||||||
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | ||
ASTM A210 | A-1 | ≤0.27 | ≥0.10 | ≤0.93 | ≤0.035 | ≤0.035 | |||||
C | ≤0.35 | ≥0.10 | 0.291.06 | ≤0.035 | ≤0.035 | ||||||
Mechanical Property
ASTM A210 Steel Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
A-1 | ≥255 | ≥415 | ≥30 |
C | ≥275 | ≥485 | ≥30 |
Equivalent steel grade
ASTM A210 | UNI 5462-64 | EN 10216-2 | BS 3602 Part I | NF A 49-213 | NBR 5592 | DIN 17175 |
Hydrostatic Test Pressures
Each tube shall be subjected to the hydrostatic pressure test, or instead of this test, a nondestructive test may be used when specified by the purchaser.
Hydrostatic Test Pressures | |
Outside Diameter of Tube, in. [mm] | Hydrostatic Test Pressure, psi [MPa] |
Under 1 [25.4] | 1000 [7] |
1 to 11⁄2 [25.4 to 38.1], excl | 1500 [10] |
11⁄2 to 2 [38.1 to 50.8], excl | 2000 [14] |
2 to 3 [50.8 to 76.2], excl | 2500 [17] |
Cut Length Tolerance
Cold-Finished Seamless Tubes | ||
Outside Diameter, | 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. | ||
Packing:
Packed in wooden box or bundles protected with plastic paper, and suitably protected for sea-worthily delivery or as requested.
The Product marking shall include the ASTM A210 or ASME SA210, size, heat no., Lot No. and Manufacture name or logo.
Hunan Gaoxing Steel Development Zone, No.1888 Purui South Rd, Wangcheng District,Changsha, Hunan, China
Tel: 0086-0731-88739521
