收藏词条 编辑词条 日本结构用碳素钢号
12 机械结构用钢管
JIS G3445
|
牌 号 |
化学成分(质量分数)／% |
|||||
|
C ≤ |
Si ≤ |
Mn |
P ≤ |
S ≤ |
其 他 |
|
|
STKM 11 A |
0.12 |
0.35 |
≤0.60 |
0.040 |
0.040 |
|
|
STKM 12 A |
0.20 |
0.35 |
≤0.60 |
0.040 |
0.040 |
|
|
STKM 12 B |
0.20 |
0.35 |
≤0.60 |
0.040 |
0.040 |
|
|
STKM 12 C |
0.20 |
0.35 |
≤0.60 |
0.040 |
0.040 |
|
|
STKM 13 A |
0.25 |
0.35 |
0.30～0.90 |
0.040 |
0.040 |
|
|
STKM 13 B |
0.25 |
0.35 |
0.30～0.90 |
0.040 |
0.040 |
|
|
STKM 13 C |
0.25 |
0.35 |
0.30～0.90 |
0.040 |
0.040 |
|
|
STKM 14 A |
0.30 |
0.35 |
0.30～1.00 |
0.040 |
0.040 |
|
|
STKM 14 B |
0.30 |
0.35 |
0.30～1.00 |
0.040 |
0.040 |
|
|
STKM 14 C |
0.30 |
0.35 |
0.30～1.00 |
0.040 |
0.040 |
|
|
STKM 15 A |
0.25～0.35 |
0.35 |
0.30～1.00 |
0.040 |
0.040 |
|
|
STKM 15 C |
0.25～0.35 |
0.35 |
0.30～1.00 |
0.040 |
0.040 |
|
|
STKM 16 A |
0.35～0.45 |
0.40 |
0.40～1.00 |
0.040 |
0.040 |
|
|
STKM 16 C |
0.35～0.45 |
0.40 |
0.40～1.00 |
0.040 |
0.040 |
|
|
STKM 17 A |
0.45～0.55 |
0.40 |
0.40～1.00 |
0.040 |
0.040 |
|
|
STKM 17 C |
0.45～0.55 |
0.40 |
0.40～1.00 |
0.040 |
0.040 |
|
|
STKM 18 A |
0.18 |
0.55 |
≤1.50 |
0.040 |
0.040 |
|
|
STKM 18 B |
0.18 |
0.55 |
≤1.50 |
0.040 |
0.040 |
|
|
STKM 18 C |
0.18 |
0.55 |
≤1.50 |
0.040 |
0.040 |
|
|
STKM 19 A |
0.25 |
0.55 |
≤1.50 |
0.040 |
0.040 |
|
|
STKM 19 C |
0.25 |
0.55 |
≤1.50 |
0.040 |
0.040 |
|
|
STKM 20 A |
0.25 |
0.55 |
≤1.60 |
0.040 |
0.040 |
Nb或 V≤0.15 |