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GRADE CHART · SUMITOMO

Sumitomo Carbide Grade Chart

This table lists the ISO application class each Sumitomo grade is positioned at, per manufacturer-published grade comparison charts in the grade_equivalence reference database. Positioning at the same ISO class does not mean grades are interchangeable between manufacturers — substrate, coating and edge preparation still differ, even at the same class.

89 grades 192 positioning records 33 ISO application classes grade_equivalence reference DB

01 · POSITIONING

Sumitomo grades by ISO application class

P05 (4 grades)

Grade	ISO class	Coated	Verification tier
AC8015P	P05	Yes	Tier 1
AC805P	P05	Yes	Tier 1
AC8115P	P05	Yes	Tier 2
ACU2500	P05	—	Tier 1

P10 (18 grades)

Grade	ISO class	Coated	Verification tier
AC1030U	P10	—	Tier 1
AC5005S	P10	—	Tier 1
AC5015S	P10	—	Tier 1
AC5025S	P10	—	Tier 2
AC520U	P10	—	Tier 2
AC8015P	P10	Yes	Tier 2
AC8020P	P10	Yes	Tier 2
AC8025P	P10	Yes	Tier 1
AC8115P	P10	Yes	Tier 1
ACP100	P10	Yes	Tier 2
ACP200	P10	—	Tier 2
ACP2000	P10	Yes	Tier 2
ACP3000	P10	—	Tier 1
ACZ150	P10	—	Tier 2
ST10P	P10	—	Tier 2
T1000A	P10	—	Tier 2
T1500A	P10	—	Tier 1
T1500Z	P10	Yes	Tier 2

P15 (4 grades)

Grade	ISO class	Coated	Verification tier
AC8015P	P15	Yes	Tier 1
AC8020P	P15	Yes	Tier 1
AC810P	P15	Yes	Tier 1
T2000Z	P15	—	Tier 1

P20 (16 grades)

Grade	ISO class	Coated	Verification tier
AC1030U	P20	—	Tier 2
AC5025S	P20	—	Tier 1
AC520U	P20	—	Tier 1
AC530U	P20	—	Tier 2
AC8020P	P20	Yes	Tier 2
AC8025P	P20	Yes	Tier 2
AC820P	P20	Yes	Tier 1
ACP100	P20	Yes	Tier 2
ACP200	P20	—	Tier 2
ACP2000	P20	Yes	Tier 2
ACU2500	P20	—	Tier 2
ST20E	P20	No	Tier 2
T1500A	P20	—	Tier 2
T1500Z	P20	Yes	Tier 2
T2500A	P20	—	Tier 2
T2500Z	P20	Yes	Tier 2

P25 (3 grades)

Grade	ISO class	Coated	Verification tier
AC1030U	P25	Yes	Tier 1
AC8025P	P25	Yes	Tier 1
AC820P	P25	Yes	Tier 1

P30 (17 grades)

Grade	ISO class	Coated	Verification tier
A30	P30	—	Tier 2
A30N	P30	No	Tier 2
AC1030U	P30	—	Tier 2
AC530U	P30	—	Tier 1
AC630M	P30	Yes	Tier 1
AC8035P	P30	Yes	Tier 2
AC830P	P30	Yes	Tier 2
ACP100	P30	Yes	Tier 2
ACP200	P30	—	Tier 2
ACP2000	P30	Yes	Tier 2
ACP300	P30	—	Tier 2
ACP3000	P30	—	Tier 2
ACU2500	P30	—	Tier 2
T2500A	P30	—	Tier 2
T2500Z	P30	Yes	Tier 2
T250A	P30	—	Tier 2
T3000Z	P30	—	Tier 1

P35 (3 grades)

Grade	ISO class	Coated	Verification tier
AC8035P	P35	Yes	Tier 1
ST30A	P35	No	Tier 1
ST30N	P35	No	Tier 1

P40 (8 grades)

Grade	ISO class	Coated	Verification tier
AC1030U	P40	—	Tier 1
AC630M	P40	Yes	Tier 1
AC8035P	P40	Yes	Tier 2
AC830P	P40	Yes	Tier 1
ACP300	P40	—	Tier 2
ACP3000	P40	—	Tier 2
ACU2500	P40	—	Tier 2
ST40E	P40	—	Tier 1

M10 (6 grades)

Grade	ISO class	Coated	Verification tier
AC6020M	M10	Yes	Tier 2
AC610M	M10	Yes	Tier 1
ACM200	M10	Yes	Tier 2
ACS1000	M10	—	Tier 1
ACU2500	M10	—	Tier 2
EH510	M10	—	Tier 2

M20 (7 grades)

Grade	ISO class	Coated	Verification tier
AC6020M	M20	Yes	Tier 2
AC6030M	M20	Yes	Tier 2
ACM200	M20	Yes	Tier 2
ACS1000	M20	—	Tier 1
ACS2500	M20	—	Tier 1
ACU2500	M20	—	Tier 2
EH520	M20	—	Tier 2

M30 (10 grades)

Grade	ISO class	Coated	Verification tier
A30	M30	—	Tier 2
A30N	M30	—	Tier 2
AC1030U	M30	Yes	Tier 1
AC530U	M30	Yes	Tier 1
AC6030M	M30	Yes	Tier 2
AC630M	M30	Yes	Tier 2
ACM200	M30	Yes	Tier 2
ACM300	M30	—	Tier 2
ACS2500	M30	—	Tier 1
ACS3000	M30	—	Tier 1

M35 (2 grades)

Grade	ISO class	Coated	Verification tier
AC1030U	M35	Yes	Tier 1
AC530U	M35	Yes	Tier 1

M40 (5 grades)

Grade	ISO class	Coated	Verification tier
AC6030M	M40	Yes	Tier 1
AC6040M	M40	Yes	Tier 1
AC630M	M40	Yes	Tier 1
ACM300	M40	—	Tier 2
ACS3000	M40	—	Tier 1

K01 (6 grades)

Grade	ISO class	Coated	Verification tier
BN500	K01	—	Tier 2
BN7125	K01	—	Tier 1
BNC500	K01	Yes	Tier 2
H1	K01	—	Tier 1
H2	K01	—	Tier 1
NCB100	K01	—	Tier 2

K05 (4 grades)

Grade	ISO class	Coated	Verification tier
AC4010K	K05	Yes	Tier 2
AC405K	K05	Yes	Tier 1
ACK3000	K05	—	Tier 1
H1	K05	No	Tier 1

K10 (12 grades)

Grade	ISO class	Coated	Verification tier
AC4010K	K10	Yes	Tier 2
AC4015K	K10	Yes	Tier 1
AC405K	K10	Yes	Tier 1
ACK200	K10	Yes	Tier 2
ACK2000	K10	Yes	Tier 1
ACK3000	K10	—	Tier 2
ACU2500	K10	—	Tier 2
BN500	K10	—	Tier 2
BN7125	K10	—	Tier 1
EH510	K10	—	Tier 1
H1	K10	—	Tier 1
T1000A	K10	—	Tier 2

K15 (2 grades)

Grade	ISO class	Coated	Verification tier
AC4015K	K15	Yes	Tier 1
AC415K	K15	Yes	Tier 1

K20 (16 grades)

Grade	ISO class	Coated	Verification tier
AC1030U	K20	Yes	Tier 1
AC4015K	K20	Yes	Tier 2
AC4125K	K20	Yes	Tier 1
AC420K	K20	Yes	Tier 2
AC530U	K20	Yes	Tier 1
ACK200	K20	Yes	Tier 2
ACK2000	K20	Yes	Tier 2
ACK3000	K20	—	Tier 2
ACU2500	K20	—	Tier 2
BN7125	K20	—	Tier 1
BNC8115	K20	—	Tier 2
BNS8125	K20	—	Tier 2
EH520	K20	No	Tier 2
G10	K20	No	Tier 1
G10E	K20	No	Tier 2
H10E	K20	—	Tier 1

K30 (7 grades)

Grade	ISO class	Coated	Verification tier
ACK300	K30	—	Tier 2
ACK3000	K30	—	Tier 2
ACU2500	K30	—	Tier 2
BNC8115	K30	—	Tier 1
BNS8125	K30	—	Tier 2
G10E	K30	—	Tier 1
H10E	K30	—	Tier 1

N01 (3 grades)

Grade	ISO class	Coated	Verification tier
DA1000	N01	—	Tier 1
DA1090	N01	—	Tier 1
DA90	N01	—	Tier 2

N10 (4 grades)

Grade	ISO class	Coated	Verification tier
DA1000	N10	—	Tier 2
DA150	N10	—	Tier 2
H1	N10	No	Tier 1
NPD10	N10	—	Tier 1

N20 (2 grades)

Grade	ISO class	Coated	Verification tier
DA1000	N20	—	Tier 2
DA2200	N20	—	Tier 2

N30 (3 grades)

Grade	ISO class	Coated	Verification tier
DA1000	N30	—	Tier 2
DA2200	N30	—	Tier 2
G10	N30	No	Tier 1

S01 (2 grades)

Grade	ISO class	Coated	Verification tier
BN7125	S01	—	Tier 1
NCB100	S01	—	Tier 2

S05 (1 grade)

Grade	ISO class	Coated	Verification tier
AC5005S	S05	Yes	Tier 1

S10 (3 grades)

Grade	ISO class	Coated	Verification tier
AC5015S	S10	Yes	Tier 1
AC6020M	S10	Yes	Tier 1
EH510	S10	—	Tier 2

S15 (1 grade)

Grade	ISO class	Coated	Verification tier
AC510U	S15	Yes	Tier 1

S20 (4 grades)

Grade	ISO class	Coated	Verification tier
AC5025S	S20	Yes	Tier 1
AC520U	S20	Yes	Tier 1
AC630M	S20	Yes	Tier 1
EH520	S20	—	Tier 2

S25 (2 grades)

Grade	ISO class	Coated	Verification tier
AC5025S	S25	Yes	Tier 1
AC520U	S25	Yes	Tier 1

H01 (6 grades)

Grade	ISO class	Coated	Verification tier
BN1000	H01	—	Tier 2
BN2000	H01	—	Tier 2
BNC2010	H01	—	Tier 1
BNC2105	H01	—	Tier 1
BNC2115	H01	—	Tier 2
BNX10	H01	—	Tier 2

H10 (5 grades)

Grade	ISO class	Coated	Verification tier
BN2000	H10	—	Tier 2
BNC2010	H10	—	Tier 1
BNC2020	H10	—	Tier 2
BNC2115	H10	—	Tier 2
BNC2125	H10	—	Tier 1

H20 (3 grades)

Grade	ISO class	Coated	Verification tier
BNC2020	H20	—	Tier 2
BNC2125	H20	—	Tier 2
BNX20	H20	—	Tier 2

H30 (3 grades)

Grade	ISO class	Coated	Verification tier
BN350	H30	—	Tier 2
BNC2135	H30	—	Tier 1
BNC300	H30	—	Tier 2

Source: manufacturer grade-comparison charts, ingested into the grade_equivalence reference table with page-level provenance. Rows with no verification (tier 0, model-only) are excluded from this table.

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02 · CROSS-BRAND COMPARISON

See Sumitomo against every other brand

No cross-referenced pairs in the dataset currently involve Sumitomo (a pairing needs to appear in two or more published cross-reference charts from tooling manufacturers, with no conflicting source found on review). Coverage grows as more manufacturer charts are ingested.

Compare Sumitomo grades against 15 other brands - EUR 19