Welded Steel Pipe For Pressure Purpose
| Grade | SCr420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM435TK, SCM440TK |
|---|---|
| OD | 38 – 426mm |
| WT | 5 – 60mm |
| Length | 3000-12000mm |
| Application | used for machinery, automobiles, and other machine parts. |
| Equivalent standards | ASTM A519, EN 10297-1 |
Description
Welded Steel Pipe For Pressure Purpose
Welded Steel Pipe For Pressure Purpose
The blanks used for welded steel pipes are steel plates or strip steel, which are divided into furnace welded pipes, electric welding (resistance welding) pipes and automatic arc welded pipes due to their different welding processes. Because of its different welding forms, it is divided into two types: straight seam welded pipe and spiral welded pipe. Because of its end shape, it is divided into round welded pipe and special-shaped (square, flat, etc.) welded pipe.
Alloy JIS G3441steel tube chemical composition:
| Steel Grade | Chemical Composition % | ||||||
| C | Si | Mn | P | S | Cr | Mo | |
| SCR 420TK | 0.18~0.23 | 0.15~0.35 | 0.60~0.85 | 0.030 max | 0.030 max | 0.90~1.20 | – |
| SCM 415TK | 0.13~0.18 | 0.15~0.35 | 0.60~0.85 | 0.030 max | 0.030 max | 0.90~1.20 | 0.15~0.30 |
| SCM 418TK | 0.16~0.21 | 0.15~0.35 | 0.60~0.85 | 0.030 max | 0.030 max | 0.90~1.20 | 0.15~0.30 |
| SCM 420TK | 0.18~0.23 | 0.15~0.35 | 0.60~0.85 | 0.030 max | 0.030 max | 0.90~1.20 | 0.15~0.30 |
| SCM 430TK | 0.28~0.33 | 0.15~0.35 | 0.60~0.85 | 0.030 max | 0.030 max | 0.90~1.20 | 0.15~0.30 |
| SCM 435TK | 0.33~0.38 | 0.15~0.35 | 0.60~0.85 | 0.030 max | 0.030 max | 0.90~1.20 | 0.15~0.30 |
| SCM 440TK | 0.38~0.43 | 0.15~0.35 | 0.60~0.85 | 0.030 max | 0.030 max | 0.90~1.20 | 0.15~0.30 |
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