牌号对照grade parallel table
宝钢牌号
baosteel
|
美国
ASTM
|
国家牌号
GB
|
德国DIN
|
日本JIS
|
BT200
|
N02200
|
|
|
|
BT201
|
N02201
|
|
2.4068
|
NW2201
|
BT400
|
N04400
|
-
|
1.1743
|
NW4400
|
BT800
|
N08800
|
NS1101
|
1.4876
|
NCF800
|
BT800H
|
N08810
|
NS1102
|
1.4876
|
NCF800H
|
BT800HT
|
N08811
|
-
|
1.4876
|
-
|
BT600
|
N06600
|
NS3102
|
2.4816
|
NCF600
|
BT690
|
N06690
|
NS3105
|
2.4624
|
NCF690
|
BG2830
|
N08028
|
-
|
-
|
-
|
BG2250
|
N06985
|
-
|
-
|
-
|
BT825
|
N08825
|
NS1402
|
2.4858
|
NCF825
|
BT625
|
N06625
|
NS3306
|
2.4856
|
NCF625
|
BTC276
|
N10276
|
NS3304
|
2.4819
|
NW0276
|
室温力学性能room-temperature mechanical property
宝钢牌号baosteel
|
状态
condition
|
抗拉强度
Rm,min,MPa
|
屈服强度
Rp0.2%,min,MPa
|
延伸率
A50,min,%
|
BT200
|
solution
|
379
|
103
|
40
|
BT201
|
solution
|
345
|
83
|
40
|
BT400
|
OD≥127mm
|
annealing
|
480
|
195
|
35
|
OD<127mm
|
annealing
|
480
|
170
|
35
|
BT800
|
solution
|
520
|
205
|
30
|
BT800H
|
solution
|
450
|
170
|
30
|
BT800HT
|
solution
|
450
|
170
|
30
|
BT600
|
OD≥127mm
|
solution
|
550
|
205
|
35
|
OD<127mm
|
solution
|
550
|
240
|
30
|
BT690
|
solution
|
586
|
241
|
30
|
BT028
|
solution
|
500
|
214
|
40
|
BTG3
|
solution
|
621
|
214
|
40
|
BT825
|
solution
|
586
|
241
|
30
|
BT625
|
annealing
|
827
|
414
|
30
|
solution
|
276
|
690
|
30
|
BTC276
|
solution
|
283
|
690
|
40
|
备注:BT800H,BT800HT晶粒度5级或更粗
高温力学性能high temperature mechanical property
宝钢牌号
baosteel
|
机械性能
Mechanical property
|
状态
condition
|
温度 temperature℃
|
350
|
450
|
550
|
650
|
750
|
850
|
BT800H
|
Rm,MPa
|
固溶
solution
|
485
|
490
|
480
|
420
|
270
|
149
|
Rp0.2,MPa
|
162
|
165
|
169
|
155
|
125
|
95
|
A4.52,%
|
52.5
|
56.0
|
52.5
|
50.0
|
69.5
|
101.5
|
BT825
|
Rm,MPa
|
固溶
solution
|
560
|
550
|
527
|
485
|
345
|
197
|
Rp0.2,MPa
|
205
|
195
|
191
|
169
|
170
|
176
|
A4.52,%
|
47.5
|
51.5
|
49.0
|
52.5
|
64.0
|
92.0
|
BT625
|
Rm,MPa
|
固溶
solution
|
-
|
-
|
-
|
610
|
480
|
345
|
Rp0.2,MPa
|
-
|
-
|
-
|
210
|
225
|
215
|
A4.52,%
|
-
|
-
|
-
|
96.5
|
114.0
|
117.0
|
物理性能physical property
宝钢牌号
baosteel
|
密度
density/g·cm3
|
熔点
Metaling rane/℃
|
膨胀系数
Coefficient of expansion
μm/m/℃
|
导热系数
Thermal conductivity
W·(m·℃)-1
|
电阻率
Specific resistance
μΩ·m
|
弹性模具
Modulus of elasticity
GPa
|
100℃
|
300℃
|
25℃
|
300℃
|
20℃
|
BT400
|
8.80
|
1300-1350
|
14.2
|
15.2
|
22.0
|
26.9
|
0.51
|
26.0
|
BT800
|
7.94
|
1357-1385
|
14.1
|
16.2
|
11.5
|
16.3
|
0.989
|
196.5
|
BT600
|
8.47
|
1354-1413
|
10.4
|
14.2
|
14.9
|
19.0
|
1.03
|
214.0
|
BT690
|
8.19
|
1343-1377
|
14.06
|
14.53
|
13.5
|
17.3
|
1.148
|
211.0
|
BG2830
|
8.0
|
-
|
15.0
|
15.9
|
11.4
|
15.3
|
0.99
|
-
|
BG2250
|
8.14
|
1260-1343
|
14.6
|
14.6
|
10.0
|
15.9
|
1.12
|
199.0
|
BT825
|
8.14
|
1370-1400
|
14.1
|
15.3
|
11.1
|
15.4
|
1.13
|
196
|
BT625
|
8.44
|
1290-1350
|
-
|
-
|
9.8
|
14.1
|
1.29
|
204.8
|
BTC276
|
8.89
|
1325-1370
|
12.2
|
12.9
|
11.2
|
14.7
|
1.22
|
205
|
晶间腐蚀性能intergranular corrosion resistance
按ASTM G28A法(硫酸铁-硫酸法)测定的腐蚀速率
Intergranular corrosion resistance according to ASTM G28(ferric sulfate- sulfuric acid method)
钢种
grade
|
状态
condition
|
时间
(h)
|
腐蚀速率
mm/a
|
腐蚀深度
(μm)
|
BT800
|
固溶
solution
|
120
|
0.42
|
-
|
BT800H
|
120
|
1.464
|
-
|
BT600
|
120
|
0.96
|
-
|
BT825
|
120
|
0.324
|
≤50
|
BT625
|
120
|
0.535
|
≤50
|
按ASTM 262C法65%硫酸法测定的腐蚀速率
Intergranular corrosion resistance according to ASTM 262(65% HNO3)
钢种
grade
|
状态
condition
|
腐蚀速率corrosion rate(mm/a)
|
平均腐蚀深度
corrosion rate(mm/a)
|
一
|
二
|
三
|
四
|
五
|
时间/48h
|
时间/48h
|
时间/48h
|
时间/48h
|
时间/48h
|
BT600
|
固溶
solution
|
0.288
|
0.30
|
0.324
|
0.432
|
0.528
|
0.371
|
BT800H
|
0.204
|
0.12
|
0.168
|
0.252
|
1.02
|
0.348
|
BT825
|
0.348
|
0.204
|
0.24
|
0.192
|
0.312
|
0.264
|
BT625
|
0.556
|
0.454
|
0.489
|
0.466
|
0.471
|
0.489
|
|