JIS G3446 Stainless Steel Pipes for Machine and Structural Purpose
Product Description
Type: Stainless Steel Pipes Certification: ISO, SGS, BV, GB Origin: China Standard: JIS Shape: Round JIS G3446 Stainless Steel Pipes for Machine and Structural Purpose
Standard: JIS G3446
Grade: SUS304TKA, SUS304TKC, SUS316TKA, SUS316TKC etc;
Application: used for machinery, automobiles, bicycles, furniture, apparatus, other mechanical parts and structures.
Chemical Composition %
Mechanical Property
Size Tolerance
Tolerance on OD
Note: 1) for hot-finished Seamless Tube, please refer to No.1;
2) Electric resistance Welded Steel Tube other than cold finished or automatic arc welded steel tube, please refer to No.1;
3) Steel tube with solution treatment, please refer to No.4.
Tolerance on wall thickness
Note: hot-finished seamless tube, please refer to No.1.
Contact us if you need more details on Stainless Steel Pipe. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Machine Pipe、Structural Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.
Standard: JIS G3446
Grade: SUS304TKA, SUS304TKC, SUS316TKA, SUS316TKC etc;
Application: used for machinery, automobiles, bicycles, furniture, apparatus, other mechanical parts and structures.
Chemical Composition %
Grade | C | Si | Mn | P | S | Ni | Cr | Mo | Fe | Nb |
SUS 304TKA SUS304TKC | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 8.00- 11.00 | 18.00- 20.00 | -- | -- | -- |
SUS316TKA SUS316TKC | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 10.00-14.00 | 16.00- 18.00 | 2.00-3.00 | -- | -- |
SUS321TKA | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 9.00- 13.00 | 17.00-19.00 | -- | ≥5*C | -- |
SUS347TKA | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 9.00- 13.00 | 17.00-19.00 | -- | -- | ≥10*C |
SUS430TKA SUS430TKC | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.040 | ≤0.030 | -- | 16.00-18.00 | -- | -- | -- |
SUS410TKA SUS410TKC | ≤0.15 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | -- | 11.50-13.50 | -- | -- | -- |
SUS420J1TKA | 0.16- 0.25 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | -- | 12.00-14.00 | -- | -- | -- |
SUS420J2TKA | 0.26- 0.40 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | -- | 12.00-14.00 | -- | -- | -- |
Mechanical Property
Grade | Tensile strength N/mm2 | Yield point N/mm2 | Elongation | ||
No.11 test piece No.12 test piece | No.4 test piece | ||||
Longitudinal | Transverse | ||||
SUS304TKA SUS316TKA SUS321TKA SUS347TKA | ≥520 | ≥205 | ≥35 | ≥30 | ≥22 |
SUS304TKC SUS316TKC | ≥520 | ≥205 | ≥35 | ≥30 | ≥22 |
SUS430TKA | ≥410 | ≥245 | ≥20 | -- | -- |
SUS430TKC | ≥410 | ≥245 | ≥20 | -- | -- |
SUS410TKA | ≥410 | ≥205 | ≥20 | -- | -- |
SUS420J1TKA | ≥470 | ≥215 | ≥19 | -- | -- |
SUS420J2TKA | ≥540 | ≥225 | ≥18 | -- | -- |
SUS410TKC | ≥410 | ≥205 | ≥20 | -- | -- |
Size Tolerance
Tolerance on OD
Devision | Permissible tolerance on OD |
No.1 | <50mm ±0.5mm ≥50mm ±1% |
No.2 | <50mm ±0.25mm ≥50mm ±0.5% |
No.3 | <25mm ±0.12mm ≥25-<40mm ±0.15mm ≥40-<50mm ±0.18mm ≥50-<60mm ±0.20mm ≥60-<70mm ±0.23mm ≥70-<80mm ±0.25mm ≥80-<90mm ±0.30mm ≥90-<100mm ±0.40mm ≥100mm ±0.50% |
No.4 | <13mm ±0.25mm ≥13-<25mm ±0.45mm ≥25-<40mm ±0.60mm ≥40-<65mm ±0.80mm ≥65-<90mm ±1.00mm ≥90-<140mm ±1.20mm ≥140mm as signed |
2) Electric resistance Welded Steel Tube other than cold finished or automatic arc welded steel tube, please refer to No.1;
3) Steel tube with solution treatment, please refer to No.4.
Tolerance on wall thickness
Devision | No.1 | No.2 | No.3 |
Permissible deviation | +0.6mm <4mm -0.5mm ≥4mm +15% -12.5% | <3mm ±0.3mm ≥3mm +10% | <2mm ±0.15mm ≥2mm +8% |
Contact us if you need more details on Stainless Steel Pipe. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Machine Pipe、Structural Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Seamless Steel Tube > Mechanical Steel Tube
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