JIS G3445Creole aplike nan tib asye kabòn yo itilize nan machin ak ekipman, otomobil, bisiklèt, mèb, aparèy, ak lòt pati mekanik.
Se spesifikasyon nan JIS 3445 tib asye mekanik ki nan lis anba a:
Klas: STKM11A, STKM12 (A, B, C), STKM13 (A, B, C), STKM14 (A, B, C)
OD: 19.05mm ~ 114.3mm
Wt: 2.0mm ~ 14 mm
Longè: max 16000mm
Metòd fabrikasyon JIS G3445 Tib mekanik yo dwe jan sa a:
Cho fini san pwoblèm asye tib - s - h
Fwad fini san pwoblèm asye tib - s - C
ERW asye tib - e - G
Cho fini erw asye tib - e - h
Fwad fini erw asye tib - e - C
Butt - Tib asye soude - B
Fwad fini bou - soude asye tib - B - C
Konpozisyon chimik la nan Stkm11, Stkm12, Stkm13 ak Stkm14 yo kòm tablo ki anba a:
| Egalize | Konpozisyon chimik % | |||||
| C | Si | Mn | P | S | NB oswa V | |
| Stkm11a | Mwens pase oswa egal a 0.12 | Mwens pase oswa egal a 0.35 | Mwens pase oswa egal a 0.60 | Mwens pase oswa egal a 0.040 | Mwens pase oswa egal a 0.040 | ▾ |
| Stkm12a | Mwens pase oswa egal a 0.20 | Mwens pase oswa egal a 0.35 | Mwens pase oswa egal a 0.60 | Mwens pase oswa egal a 0.040 | Mwens pase oswa egal a 0.040 | - |
| Stkm12b | ||||||
| Stkm12c | ||||||
| Stkm13a | Mwens pase oswa egal a 0.25 | Mwens pase oswa egal a 0.35 | 0.30~ 0.90 |
Mwens pase oswa egal a 0.040 | Mwens pase oswa egal a 0.040 | - |
| Stkm13b | ||||||
| Stkm13c | ||||||
| Stkm14a | Mwens pase oswa egal a 0.30 | Mwens pase oswa egal a 0.35 | 0.30~ 1.00 |
Mwens pase oswa egal a 0.040 | Mwens pase oswa egal a 0.040 | - |
| Stkm14b | ||||||
| Stkm14c | ||||||
Pwopriyete mekanik STKM11, STKM12, STKM13 ak STKM14 se tankou tablo ki anba a:
| Egalize | Pwopriyete mekanik | Tès plat | Tès koube | |||
| Fòs rupture (MPA) |
Sede fòs (MPA) |
Elongasyon (%) | Distans nanmitan pati sa (D=od) |
Koube Ang |
Anndan Reyon (D=od) |
|
| No.11: echantiyon | ||||||
| Stkm11a | 230 (294) |
- | 235 | 1/2D | 180 degre | 4D |
| Stkm12a | 235 (343) |
218 (177) |
235 | 2/3D | 90 degre | 6D |
| Stkm12b | 240 (392) |
228 (275) |
225 | 2/3D | 90 degre | 6D |
| Stkm12c | 248 (471) |
236 (353) |
220 | - | - | - |
| Stkm13a; | 238 (373) |
222 (216) |
230 | 2/3D | 90 degre | 6D |
| Stkm13b | 245 (441) |
231 (304) |
220 | 3/4D | 90 degre | 6D |
| Stkm13c | 252 (510) |
239 (382) |
215 | - | - | - |
| Stkm14a | 242 (412) |
225 (245) |
225 | 3/4D | 90 degre | 6D |
| Stkm14b | 251 (500) |
236 (353) |
215 | 7/8D | 90 degre | 8D |
| Stkm14c | 256 (549) |
242 (412) |
215 | - | - | - |
Tolerans nan JIS G3445 Stkm12a/Stkm12b tib sou dyamèt deyò:
Non 1: Lè dyamèt ekstèn<50mm, tolerance 0.5mm;when outer diameter ≥50 mm,tolerance +/- 0.1mm;
Non 2: Lè dyamèt ekstèn<50mm, tolerance 0.25mm;when outer diameter ≥50 mm,tolerance +/- 0.5mm;
Non 3: Lè dyamèt ekstèn<25mm, tolerance 0.12mm;when 25mm ≤od ≥40 mm,tolerance +/- 0.15mm;
Lè 40mm mwens pase oswa egal a OD pi gran pase oswa egal a 50 mm, tolerans +/- 0.18 mm.
