标准
化学元素
|
astm
a227
classⅰ
ⅱ
|
jis g
3521
swp-a/b/c
|
din 17223
pt1
|
bs
5216
type
ns/hs
|
en
10270-1
type
sl/sm/sh
|
ks d
3510
sw-a/b/c
|
|
0.7-6.0mm
|
6.0-13mm
|
||||||
carbon(c)
|
0.45-0.85
|
0.24-0.86
|
0.40-0.85
|
0.55-0.85
|
0.40-0.85
|
0.35-1.00
|
0.24-0.86
|
manganese(mn)
|
0.30-1.30
|
0.30-0.90
|
0.30-1.00
|
0.30-1.00
|
0.30-1.00
|
0.50-1.20
|
0.30-0.90
|
phosphorus(p)
|
≤0.040
|
≤0.035
|
≤0.040
|
≤0.040
|
≤0.040
|
≤0.035
|
≤0.035
|
sulfur(s)
|
≤0.050
|
≤0.035
|
≤0.040
|
≤0.040
|
≤0.040
|
≤0.035
|
≤0.035
|
silicon(si)
|
0.15-0.35
|
0.15-0.35
|
≤0.35
|
≤0.35
|
≤0.35
|
0.10-0.30
|
0.15-0.35
|
copper(cu)
|
-
|
-
|
-
|
-
|
-
|
≤0.20
|
-
|