Q275 碳钢钢球:
可用于汽车配件、五金工具、滚磨、轴承和链轮等。常为油性包装,也可根据客户要求做干性包装,耐磨,HRC 55-60。
Q275 碳钢钢球化学成份
C
0.14% - 0.22%
Si
0.32% max
Mn
0.4% - 1.0%
P
0.045% max.
S
0.045% max.
生产级别:G28 - G1000
适用标准:ISO3290, GB308, DIN5401, ABMA, JIS
生产尺寸:1.5875mm(1/16 inch)- 38.1000mm(1 1/2 inch),尺寸表如下:
钢球直径 |
1000个钢球 |
每公斤钢球 |
钢球直径 |
1000个钢球 |
每公斤钢球 |
||
Inch |
mm |
|
|
Inch |
mm |
|
|
1/16 - - |
1.5875 1.7500 2.0000 |
0.016 0.022 0.033 |
62350 45871 30700 |
-
31/64 |
12.0000 |
7.040 |
142 |
3/32 - - |
2.3812 2.5000 3.0000 |
0.055 0.0637 0.110 |
18182 15698 9091 |
- |
14.0000 |
11.18 |
89.00 |
1/8 |
3.1750 |
0.131 |
7634 |
5/8 |
15.8750 |
16.30 |
61.30 |
- |
4.0000 |
0.261 |
3831 |
- |
17.0000 |
20.02 |
50.00 |
13/64 |
5.1594 |
0.560 |
1786 |
- |
19.0000 |
27.96 |
35.77 |
- |
6.0000 |
0.881 |
1136 |
13/16 |
20.6375 |
35.80 |
27.90 |
17/64 |
6.7469 |
1.250 |
800 |
7/8 |
22.2250 |
44.80 |
22.30 |
- |
8.0000 |
2.090 |
478 |
15/16 |
23.8125 |
55.10 |
18.20 |
- |
9.0000 |
2.970 |
337 |
- |
25.0000 |
63.68 |
15.70 |
13/32 |
10.3188 |
4.480 |
223 |
1 1/8 |
28.5750 |
104.50 |
9.56 |
- |
11.5000 |
6.220 |
161 |
1 5/16 |
33.3375 |
164.30 |
6.09 |
钢球材质表:
材质 |
牌号 |
化学元素成分(%) |
|||||||
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
||
碳素钢 |
Q195 |
≤0.12 |
≤0.30 |
0.25-0.50 |
≤0.035 |
≤0.040 |
- |
- |
- |
Q215 |
0.09-0.15 |
≤0.30 |
0.25-0.60 |
≤0.045 |
≤0.045 |
- |
- |
- |
|
Q235 |
0.12-0.20 |
≤0.30 |
0.30-0.70 |
≤0.045 |
≤0.045 |
- |
- |
- |
|
Q275 |
0.14-0.22 |
≤0.32 |
0.40-1.00 |
≤0.045 |
≤0.045 |
- |
- |
- |
|
优质碳素钢 |
10 |
0.08-0.13 |
- |
0.30-0.60 |
≤0.040 |
≤0.050 |
- |
- |
- |
15 |
0.13-0.18 |
- |
0.30-0.60 |
≤0.040 |
≤0.050 |
- |
- |
- |
|
45 |
0.42-0.48 |
0.15-0.35 |
0.60-0.90 |
≤0.030 |
≤0.035 |
- |
- |
- |
|
85 |
0.80-0.90 |
0.35-0.45 |
0.60-0.90 |
≤0.050 |
≤0.050 |
- |
- |
- |
|
轴承钢 |
GCr15 |
0.95-1.10 |
0.15-0.35 |
≤0.50 |
≤0.025 |
≤0.025 |
1.30-1.60 |
- |
- |
冷镦钢 |
SWRCH22A |
0.18-0.20 |
≤0.10 |
0.70-1.00 |
≤0.035 |
≤0.035 |
Alt ≥0.020 |
||
不锈钢 |
201 |
≤0.15 |
≤1.00 |
5.5-7.5 |
≤0.045 |
≤0.030 |
16.0-18.0 |
3.50-5.50 |
- |
302 |
≤0.15 |
≤1.00 |
≤2.00 |
≤0.045 |
≤0.030 |
17.0-19.0 |
8.00-10.0 |
- |
|
304 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.045 |
≤0.030 |
17.0-19.0 |
9.00-10.0 |
- |
|
316 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.045 |
≤0.030 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 |
|
420 |
0.26-0.35 |
≤1.00 |
≤1.00 |
≤0.040 |
≤0.030 |
12.0-14.0 |
- |
- |
|
440C |
0.95-1.20 |
≤1.00 |
≤1.00 |
≤0.040 |
≤0.030 |
16.0-18.0 |
- |
≤0.075 |
国际钢材牌号对照表
国家 |
标准 |
轴承钢 |
碳素钢 |
不锈钢 |
||||||||
中国 |
GB |
GCr15 |
10 |
15 |
45 |
85 |
1Cr17Mn6Ni5N |
1Cr18Ni9 |
0Cr18Ni 9 |
0Cr17Ni12Mo2 |
3Cr13 |
9Cr18 |
美国 |
AISI |
52100 |
1010 |
1015 |
1045 |
1085 |
201 |
302 |
304 |
316 |
420 |
440C |
日本 |
JIS |
SUJ2 |
S10C |
S15C |
S45C |
SUP3 |
SUS201 |
SUS302 |
SUS304 |
SUS316 |
SUS420J2 |
SUS440C |
欧洲德国 |
EN DIN |
100Cr6 |
CK10 |
CK15 |
CK45 |
|
X12CrMnNi17-7-5 |
X10CrNi18-8 |
X5CrNi18-10 |
X5CrNiMo17-12-2 |
X30Cr13 |
X105CrMo17 |
1.3505 |
|
1.1141 |
|
|
1.4372 |
1.4310 |
1.4301 |
1.4401 |
1.4028 |
1.4125 |
钢球的公差等级及技术要求
ISO国际标准及中国标准 ISO 3290:2001 (E) & GB/T 308-2002
等级 |
基本直径公差 △DWML |
球直径变动量 VDWS |
球形误差 △Sph |
批直径变动量 VDWL |
表面粗糙度 Ra |
|
不超过 μm |
||||
G10 |
- |
0.25 |
0.25 |
0.50 |
0.020 |
G16 |
- |
0.40 |
0.40 |
0.80 |
0.025 |
G20 |
- |
0.50 |
0.50 |
1.00 |
0.032 |
G24 |
- |
0.60 |
0.60 |
1.20 |
0.040 |
G28 |
- |
0.70 |
0.70 |
1.40 |
0.050 |
G40 |
- |
1 |
1 |
2 |
0.060 |
G60 |
- |
1.5 |
1.5 |
3 |
0.080 |
G100 |
±12.5 |
2.5 |
2.5 |
5 |
0.100 |
G200 |
±25 |
5 |
5 |
10 |
0.150 |
G500 |
±50 |
13 |
13 |
25 |
- |
G1000 |
±125 |
25 |
25 |
50 |
- |
ISO国际标准及中国标准 ISO 3290:2001 (E) & GB/T 308-2002
等级 |
球批直径变动量 VDWL |
规值间距 |
优先规值 |
分规值间距 |
分规值 |
|
μm |
||||
G10 |
0.5 |
1 |
-9, ... -1, 0, +1, ... +9 |
0.2 |
-0.4, -0.2, 0, +0.2, +0.4 |
G16 |
0.8 |
2 |
-10, ... -2, 0, +2, ... +10 |
0.4 |
-0.8, -0.4, 0, +0.4, +0.8 |
G20 |
1 |
2 |
-10, ... -2, 0, +2, ... +10 |
0.4 |
-0.8, -0.4, 0, +0.4, +0.8 |
G24 |
1.2 |
2 |
-12, ... -2, 0, +2, ... +12 |
0.4 |
-0.8, -0.4, 0, +0.4, +0.8 |
G28 |
1.4 |
2 |
-12, ... -2, 0, +2, ... +12 |
0.4 |
-0.8, -0.4, 0, +0.4, +0.8 |
G40 |
2 |
4 |
-16, ... -4, 0, +4, ... +16 |
0.8 |
-1.6, -0.8, 0, +0.8, +1.6 |
G60 |
3 |
6 |
-18, ... -6, 0, +6, ... +18 |
1.2 |
-2.4, -1.2, 0, +1.2, +2.4 |
G100 |
5 |
10 |
-40, ... -10, 0, +10, ... +40 |
2 |
-4, -2, 0, +2, +4 |
G200 |
10 |
15 |
-60, ... -15, 0, +15, ... +60 |
3 |
-6, -3, 0, +3, +6 |
美国标准 ANSI/AFBMA-STD 10-2001-USA
等级 |
基本直径公差△DWML |
球直径变动量 VDWS |
球形误差 △Sph |
批直径变动量 VDWL |
表面粗糙度 Ra |
|
|
μm |
μm |
inch |
μm |
μm |
μm |
G10 |
±2.5 |
0.25 |
0.000010 |
0.25 |
0.500 |
0.025 |
G16 |
±2.5 |
0.40 |
0.000016 |
0.40 |
0.800 |
0.025 |
G24 |
±2.5 |
0.60 |
0.000024 |
0.60 |
1.200 |
0.050 |
G48 |
±5 |
1.20 |
0.000048 |
1.20 |
2.400 |
0.080 |
G100 |
±12.5 |
2.50 |
0.000100 |
2.50 |
5 |
0.125 |
G200 |
±25 |
5 |
0.000200 |
5 |
10 |
0.200 |
G500 |
±50 |
13 |
0.000500 |
13 |
25 |
- |
G1000 |
±125 |
25 |
0.001000 |
25 |
50 |
- |