carbon seamless steel pipe
SA-210C is ASME standard steel grade, medium carbon steel pipe for boilers and superheater pipes, and pearlescent heat-strength steel pipe. ASTM A210 C grade seamless boiler pipe is made of seamless technology and can be hot or cold finished according to regulations. ASTM A210 Class C seamless pipes are widely used in large-capacity power station boilers such as 300MW and 600MW, heating surface pipes and headers with operating temperatures below 500°C, steam and water pipes, etc., such as water walls, economizers, low-temperature superheaters, etc.
Standard: ASTM A210/A210M
GNEE offers ASTM A210 Class C seamless boiler and superheater tubes in sizes and thicknesses from 1/2 in. Minimum wall thickness.
ASTM A210 Grade C Boiler Tube Chemical Composition(%)
| Standard | Grade | chemical composition: | ||||
| C | Si | Mn | P | S | ||
| ASTM A210 | C | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.03 |
Mechanical Properties of ASTM A210 pipe
| Grade | Tensile strength (Mpa) |
Yield point(Mpa) not less than |
Elongation(%) not less than |
Impact(J) not less than |
Hardness not less than |
| A210C/ SA-210C | ≥485 | 275 | " | 89HRB |
Tolerances of Length
| Method of Manufacture |
Outside Diameter, in. [mm] |
Cut Length,in. [mm] | |
| Over | Under | ||
| Seamless, hot-finished | All sizes | 3 ⁄ 16 [5] | 0 [0] |
| Seamless, cold-finished | Under 2 [50.8] | 1 ⁄ 8 [3] | 0 [0] |
| 2 [50.8] and over | 3 ⁄ 16 [5] | 0 [0] | |
| 2 [50.8] and over | 3 ⁄ 16 [5] | 0 [0] | |
A
STM A210C seamless steel pipe
ASTM A210C pipe carbon steel seamless welding method
SA-210C carbon steel pipe is a medium carbon manganese steel with good cold and hot processing properties. Therefore, when selecting welding materials, welding materials with similar chemical composition and mechanical properties to the SA-210C pipe should be selected to ensure the quality and strength of the welded joint.
The welding process of SA-210CSeamless Pipe includes manual tungsten arc welding and manual arc welding. For butt welding, appropriate groove shape and size need to be selected to ensure the quality and strength of the welded joint. During the welding process, the welding temperature needs to be controlled to avoid blue brittleness. At the same time, heat treatment is required after welding to ensure the strength and toughness of the welded joint.
Based on the above factors, the following welding materials can be selected:
Manual tungsten argon arc welding (GTAW) butt joint: use H08Mn2SiA welding wire.
Manual tungsten argon arc welding primer + manual arc welding (GTAW + SMAW) cover butt joint: use H05MnSiAITiZrA welding wire + CHE507 (J507) electrode.
Why Choose GNEE
GNEE Company strictly implements the 6S management system, and has passed ISO9001 international quality system certification and obtained 8 quality system certifications including provincial enterprise credit certificate, enterprise credit certificate, quality service certificate, and integrity management demonstration unit. It has high-quality and low-priced steel pipe products, thousands of tons of inventory, and has its own processing plant.
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