|
ISO 2859 Sampling Standard
|
Batch quantity
|
Sample size
|
AQL
|
|
Grade I
|
0.01
|
1
|
1.5
|
2.5
|
4
|
6.5
|
|
|
|
|
|
|
|
|
2 ~ 8
|
A
|
2
|
|
|
|
|
|
0 1
|
|
9 ~15
|
A
|
2
|
0 1
|
|
16 ~ 25
|
B
|
3
|
0 1
|
|
|
26 ~ 50
|
C
|
5
|
0 1
|
|
|
|
51 ~ 90
|
C
|
5
|
0 1
|
|
91 ~ 150
|
D
|
8
|
0 1
|
|
|
1 2
|
|
151 ~ 280
|
E
|
13
|
0 1
|
|
|
1 2
|
2 3
|
|
281 ~ 500
|
F
|
20
|
|
|
1 2
|
2 3
|
3 4
|
|
501 ~ 1,200
|
G
|
32
|
|
1 2
|
2 3
|
3 4
|
5 6
|
|
1,201 ~ 3,200
|
H
|
50
|
1 2
|
2 3
|
3 4
|
5 6
|
7 8
|
|
3,201 ~ 10,000
|
J
|
80
|
2 3
|
3 4
|
5 6
|
7 8
|
10 11
|
|
10,001 ~
35,000
|
K
|
125
|
3 4
|
5 6
|
7 8
|
10 11
|
14 15
|
|
35,001 ~
150,000
|
L
|
200
|
5 6
|
7 8
|
10 11
|
14 15
|
21 22
|
|
150,001 ~
500,000
|
M
|
315
|
7 8
|
10 11
|
14 15
|
21 22
|
|
|
500,001 and
above
|
N
|
500
|
0 1
|
10 11
|
14 15
|
21 22
|
|
"↓"use the first sampling
plan followed. If sample size is equal or more than batch quantity,
doing 100% inspection.
"↑"use the first sampling plan above.
Ac：acceptable
number Re：rejection number
Sampling quantity for hardness,
metallography, roundness, roughness and breaking load:(destructive
testing)
|
Sample
size
|
≤13PCS
|
20~50PCS
|
80~125PCS
|
200~315PCS
|
500PCS
|
|
Sampling
quantity
|
1PCS
|
2PCS
|
3PCS
|
5PCS
|
8PCS
|
* Above is a recommended plan. The
customer and supplier can adopt another plan as acceptance criteria.
Back to top
|
|
|
|
ISO 2859-4 SAMPLING STANDARD
(for Steel Ball, Roller, Needle Roller)
|
Batch quantity
|
S-4
|
Key items
AQL0.01
|
Main items
AQL0.65
|
Main items
AQL2.5
|
Sub-items
AQL4.0
|
|
Ac
|
Rc
|
Ac
|
Rc
|
Ac
|
Rc
|
Ac
|
Rc
|
|
2-8
|
2
|
0
|
1
|
0
|
1
|
0
|
1
|
0
|
1
|
|
9-15
|
2
|
|
16-25
|
3
|
|
26-50
|
5
|
|
51-90
|
5
|
|
91-150
|
8
|
1
|
2
|
|
151-280
|
13
|
1
|
2
|
|
281-500
|
13
|
|
501-1200
|
20
|
2
|
3
|
|
1201-3200
|
32
|
2
|
3
|
3
|
4
|
|
3201-10000
|
32
|
|
10001-35000
|
50
|
1
|
2
|
3
|
4
|
5
|
6
|
|
35001-150000
|
80
|
5
|
6
|
7
|
8
|
|
150001-500000
|
80
|
|
≥500001
|
125
|
2
|
3
|
7
|
8
|
10
|
11
|
Sampling standard for hardness, roundness,
roughness, breaking load and case depth.
|
Sample size
|
2-13pcs
|
32-80pcs
|
≥125pcs
|
|
Sampling
quantity
|
2pcs
|
5pcs
|
8pcs
|
Remark:
- Above is
recommended sampling standard for customer and supplier.
- Ac is
acceptable failed pieces.
- Rc is
unacceptable failed pieces.
Back to top
|
|
|
|
ISO 2859 SAMPLING STANDARD(for
turned ring)
ISO 2859-1:1999(E) Table 2-C
Referenced
Ref:
2859 XXX-TR 051223
|
Batch quantity
|
Sample size
|
AQL
|
|
Grade I
|
0.01
|
1
|
1.5
|
2.5
|
4
|
6.5
|
|
Ac Re
|
Ac Re
|
Ac Re
|
Ac Re
|
Ac Re
|
Ac Re
|
|
2 ~ 8
|
A
|
2
|
|
|
|
|
|
|
|
9 ~15
|
A
|
2
|
|
|
|
|
|
|
16 ~ 25
|
B
|
2
|
|
|
|
|
|
|
26 ~ 50
|
C
|
2
|
|
|
|
0 1
|
|
|
|
51 ~ 90
|
C
|
2
|
|
|
|
|
|
|
91 ~ 150
|
D
|
3
|
|
|
|
|
|
|
|
151 ~ 280
|
E
|
5
|
|
|
|
|
|
|
|
281 ~ 500
|
F
|
8
|
|
|
|
|
|
|
501 ~ 1,200
|
G
|
13
|
|
|
|
1 2
|
|
|
|
1,201 ~ 3,200
|
H
|
20
|
|
|
|
2 3
|
|
|
|
3,201 ~ 10,000
|
J
|
32
|
|
|
|
3 4
|
|
|
|
10,001 ~
35,000
|
K
|
50
|
|
|
|
5 6
|
|
|
|
35,001 ~
150,000
|
L
|
80
|
|
|
|
6 7
|
|
|
|
150,001 ~
500,00
|
M
|
125
|
|
|
|
8 9
|
|
|
|
≥500,001
|
N
|
200
|
|
|
|
10 11
|
|
|
|
|
|
|
|
|
|
|
|
|
"↓" refer to the first
sampling plan followed. If sample size is equal or more than batch
quantity, 100% inspected.
"↑" refer to the first sampling plan above.
Ac：acceptance
number Re：rejection number
* Above sampling plan is chose by
customer.
Back to top
|
|
DOWNLOAD
ISO 2859 Sampling Standard
|
Batch quantity
|
Sample size
|
AQL
|
|
Grade I
|
0.01
|
1
|
1.5
|
2.5
|
4
|
6.5
|
|
|
|
|
|
|
|
|
2 ~ 8
|
A
|
2
|
|
|
|
|
|
0 1
|
|
9 ~15
|
A
|
2
|
0 1
|
|
16 ~ 25
|
B
|
3
|
0 1
|
|
|
26 ~ 50
|
C
|
5
|
0 1
|
|
|
|
51 ~ 90
|
C
|
5
|
0 1
|
|
91 ~ 150
|
D
|
8
|
0 1
|
|
|
1 2
|
|
151 ~ 280
|
E
|
13
|
0 1
|
|
|
1 2
|
2 3
|
|
281 ~ 500
|
F
|
20
|
|
|
1 2
|
2 3
|
3 4
|
|
501 ~ 1,200
|
G
|
32
|
|
1 2
|
2 3
|
3 4
|
5 6
|
|
1,201 ~ 3,200
|
H
|
50
|
1 2
|
2 3
|
3 4
|
5 6
|
7 8
|
|
3,201 ~ 10,000
|
J
|
80
|
2 3
|
3 4
|
5 6
|
7 8
|
10 11
|
|
10,001 ~
35,000
|
K
|
125
|
3 4
|
5 6
|
7 8
|
10 11
|
14 15
|
|
35,001 ~
150,000
|
L
|
200
|
5 6
|
7 8
|
10 11
|
14 15
|
21 22
|
|
150,001 ~
500,000
|
M
|
315
|
7 8
|
10 11
|
14 15
|
21 22
|
|
|
500,001 and
above
|
N
|
500
|
0 1
|
10 11
|
14 15
|
21 22
|
|
"↓"use the first sampling
plan followed. If sample size is equal or more than batch quantity,
doing 100% inspection.
"↑"use the first sampling plan above.
Ac：acceptable
number Re：rejection number
Sampling quantity for hardness,
metallography, roundness, roughness and breaking load:(destructive testing)
|
Sample
size
|
≤13PCS
|
20~50PCS
|
80~125PCS
|
200~315PCS
|
500PCS
|
|
Sampling
quantity
|
1PCS
|
2PCS
|
3PCS
|
5PCS
|
8PCS
|
* Above is a recommended plan. The
customer and supplier can adopt another plan as acceptance criteria.
Back to top
|
|
|
|
ISO 2859-4 SAMPLING STANDARD
(for Steel Ball, Roller, Needle Roller)
|
Batch quantity
|
S-4
|
Key items
AQL0.01
|
Main items
AQL0.65
|
Main items
AQL2.5
|
Sub-items
AQL4.0
|
|
Ac
|
Rc
|
Ac
|
Rc
|
Ac
|
Rc
|
Ac
|
Rc
|
|
2-8
|
2
|
0
|
1
|
0
|
1
|
0
|
1
|
0
|
1
|
|
9-15
|
2
|
|
16-25
|
3
|
|
26-50
|
5
|
|
51-90
|
5
|
|
91-150
|
8
|
1
|
2
|
|
151-280
|
13
|
1
|
2
|
|
281-500
|
13
|
|
501-1200
|
20
|
2
|
3
|
|
1201-3200
|
32
|
2
|
3
|
3
|
4
|
|
3201-10000
|
32
|
|
10001-35000
|
50
|
1
|
2
|
3
|
4
|
5
|
6
|
|
35001-150000
|
80
|
5
|
6
|
7
|
8
|
|
150001-500000
|
80
|
|
≥500001
|
125
|
2
|
3
|
7
|
8
|
10
|
11
|
Sampling standard for hardness,
roundness, roughness, breaking load and case depth.
|
Sample size
|
2-13pcs
|
32-80pcs
|
≥125pcs
|
|
Sampling
quantity
|
2pcs
|
5pcs
|
8pcs
|
Remark:
- Above is
recommended sampling standard for customer and supplier.
- Ac is
acceptable failed pieces.
- Rc is
unacceptable failed pieces.
Back to top
|
|
|
|
ISO 2859 SAMPLING STANDARD(for
turned ring)
ISO 2859-1:1999(E) Table 2-C
Referenced
Ref:
2859 XXX-TR 051223
|
Batch quantity
|
Sample size
|
AQL
|
|
Grade I
|
0.01
|
1
|
1.5
|
2.5
|
4
|
6.5
|
|
Ac Re
|
Ac Re
|
Ac Re
|
Ac Re
|
Ac Re
|
Ac Re
|
|
2 ~ 8
|
A
|
2
|
|
|
|
|
|
|
|
9 ~15
|
A
|
2
|
|
|
|
|
|
|
16 ~ 25
|
B
|
2
|
|
|
|
|
|
|
26 ~ 50
|
C
|
2
|
|
|
|
0 1
|
|
|
|
51 ~ 90
|
C
|
2
|
|
|
|
|
|
|
91 ~ 150
|
D
|
3
|
|
|
|
|
|
|
|
151 ~ 280
|
E
|
5
|
|
|
|
|
|
|
|
281 ~ 500
|
F
|
8
|
|
|
|
|
|
|
501 ~ 1,200
|
G
|
13
|
|
|
|
1 2
|
|
|
|
1,201 ~ 3,200
|
H
|
20
|
|
|
|
2 3
|
|
|
|
3,201 ~ 10,000
|
J
|
32
|
|
|
|
3 4
|
|
|
|
10,001 ~
35,000
|
K
|
50
|
|
|
|
5 6
|
|
|
|
35,001 ~
150,000
|
L
|
80
|
|
|
|
6 7
|
|
|
|
150,001 ~
500,00
|
M
|
125
|
|
|
|
8 9
|
|
|
|
≥500,001
|
N
|
200
|
|
|
|
10 11
|
|
|
|
|
|
|
|
|
|
|
|
|
"↓" refer to the first
sampling plan followed. If sample size is equal or more than batch
quantity, 100% inspected.
"↑" refer to the first sampling plan above.
Ac：acceptance
number Re：rejection number
* Above sampling plan is chose by
customer.
Back to top
|
|
|
|
|
100%
Inspection
|
|
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Inspection
|
|
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Inspection
|
|
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|
|
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|
|
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Marking
|
|
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Development
|
|
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|
|
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Inspection
|
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