JIS G3441 Alloy Steel Tube
JIS G3441 specifies alloy steel pipes (hereafter referred to as pipes) used for machinery, automobiles and other machine parts.
Description
JIS G3441 is a Japanese Industrial Standard that specifies the requirements for seamless alloy steel tubes used for machine structural purposes. These tubes are commonly used in machinery parts, automobile components, and other mechanical applications. The standard covers several grades of alloy steel, including SCM415, SCM430, SCM435, SCM440, and others, each with specific chemical compositions and mechanical properties. The tubes are required to have good strength, toughness, and wear resistance. They should also undergo appropriate heat treatment processes to achieve the desired properties.
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 |
JIS G3441 Alloy steel tubes for machine purposes
JIS G3441 specifies alloy steel pipes (hereafter referred to as pipes) used for machinery, automobiles and other machine parts.
JIS G3441 Alloy steel tubes dimension:
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
JIS G3441 Alloy Steel Tube
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
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