JIS G3445
- JIS G3445 Grade STKM11A
- JIS G3445 Grade STKM12A
- JIS G3445 Grade STKM12B
- JIS G3445 Grade STKM12C
- JIS G3445 Grade STKM13A
- JIS G3445 Grade STKM13B
- JIS G3445 Grade STKM13C
- JIS G3445 Grade STKMI4A
- JIS G3445 Grade STKM14B
- JIS G3445 Grade STKM14C
- JIS G3445 Grade STKM15A
- JIS G3445 Grade STKM18C
- JIS G3445 Grade STKM16A
- JIS G3445 Grade STKM18C
- JIS G3445 Grade STKM17A
- JIS G3445 Grade STKM17C
- JIS G3445 Grade STKM18A
- JIS G3445 Grade STKM18B
- JIS G3445 Grade STKM18C
- JIS G3445 Grade STKM19A
- JIS G3445 Grade STKM19C
- JIS G3445 Grade STKM20A
Reliable Pipes & Tubes Ltd. is a leading JIS G 3445 Grade STKM Tubes Supplier Since 1975 in India
Application: Carbon Steel Tubes for Machine Structural Purposes
Send EnquiryJIS G3445 Chemical Composition
(Cite from JIS G3445-2004 edition)
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Grade |
Designation |
Comemical Composition |
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|---|---|---|---|---|---|---|---|
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C |
Si |
Mn |
P |
S |
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11 |
A |
STKM 11A |
0.12 max. |
0.35 max. |
0.60 max. |
0.040 max |
0.040 max |
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A |
STKM 12A |
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12 |
B |
STKM 12B |
0.20 max. |
0.35 max. |
0.60 max. |
0.040 max |
0.040 max |
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C |
STKM 12C |
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A |
STKM 13A |
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13 |
B |
STKM 13B |
0.25 max. |
0.35 max. |
0.30~0.90 |
0.040 max |
0.040 max |
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C |
STKM 13C |
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A |
STKM 14A |
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14 |
B |
STKM 14B |
0..30 max. |
0.35 max. |
0.30~1.00 |
0.040 max |
0.040 max |
|
C |
STKM 14C |
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|
15 |
A |
STKM 15A |
0.25~0.35 |
0.35 max. |
0.30~1.00 |
0.040 max |
0.040 max |
|
B |
STKM 15B |
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16 |
A |
STKM 16A |
0.35~0.45 |
0.40 max. |
0.40~1.00 |
0.040 max |
0.040 max |
|
B |
STKM 16B |
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17 |
A |
STKM 17A |
0.45~0.55 |
0.40 max. |
0.40~1.00 |
0.040 max |
0.040 max |
|
B |
STKM 17B |
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A |
STKM 18A |
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18 |
B |
STKM 18B |
0.18 max. |
0.55 max. |
1.50 max |
0.040 max |
0.040 max |
|
C |
STKM 18C |
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JIS G3445 Mechanical Composition
(Cite from JIS G3445-2004 edition)
| Grade | Designation | Tensile Test | ||||
|---|---|---|---|---|---|---|
| Tensile Strength (N/mm²) | Yield point or proff stress (N/mm²) | Elongation % | ||||
| No. 11, No 12 test pieces Longitudinal direction | No. 4, No 5 test pieces Transverse direction | |||||
|
11 |
A |
STKM 11A |
290 min. |
– |
35 min. |
30 min |
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A |
STKM 12A |
340 min. |
175 min. |
35 min. |
30 min. |
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12 |
B |
STKM 12B |
390 min |
275 min. |
25 min. |
20 min. |
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C |
STKM 12C |
470 min. |
355 min. |
20 min. |
15 min. |
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A |
STKM 13A |
370 min. |
215 min. |
30 min. |
25 min. |
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13 |
B |
STKM 13B |
440 min |
305 min. |
20 min. |
15 min. |
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C |
STKM 13C |
510 min. |
380 min. |
15 min. |
10 min. |
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A |
STKM 14A |
410 min. |
245 min. |
25 min. |
20 min. |
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14 |
B |
STKM 14B |
500 min |
355 min. |
15 min. |
10 min. |
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C |
STKM 14C |
550 min. |
410 min. |
15 min. |
10 min. |
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15 |
A |
STKM 15A |
470 min |
275 min. |
22 min. |
17 min. |
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B |
STKM 15B |
580 min. |
430 min. |
12 min. |
7 min. |
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16 |
A |
STKM 16A |
510 min |
325 min. |
20 min. |
15 min. |
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B |
STKM 16B |
620 min. |
460 min. |
12 min. |
7 min. |
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17 |
A |
STKM 17A |
550 min |
345 min. |
20 min. |
15 min. |
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B |
STKM 17B |
650 min. |
480 min. |
10 min. |
5 min. |
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A |
STKM 18A |
440 min |
275 min. |
25 min. |
20 min. |
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18 |
B |
STKM 18B |
490 min. |
315 min. |
23 min. |
18 min. |
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C |
STKM 18C |
510 min. |
380 min. |
15 min. |
10 min. |
JIS G 3445 Grade STKM 14A Specification
JIS G 3445 Grade STKM 14A Carbon Steel Seamless Tubes are most commonly used for general purpose applications worldwide.JIS G 3445 Grade STKM 14A Tubes are ductile and strong Tubes with long wearing properties .These Tubes are manufactured as per JIS Specification and commercially referred as carbon steel Tubes.
