UNS · 2,038 grades

UNS steel grades — 2038 designations — Page 8

Every grade designated under UNS, with the material number it maps to, what kind of steel it is, its carbon window and how many other standards carry it. Open a grade for its full composition, properties and its designations in other standards. Unless marked, every name here is an indicative cross-reference, not an asserted identity — the grades are close, not interchangeable. 25 of 50 rows differ and carry a “This grade’s own name” mark.

Also known as

2038 designations

Grade	Material no.	Category	C% by weight	Also inother standards
G48200	1.7147	Case hardening steels	0.17–0.22	15
G48200	1.7149	Case hardening steels	0.17–0.22	8
G50150 This grade’s own name	1.7015	Case hardening steels	0.12–0.18	15
G50150 This grade’s own name	1.7016	Case hardening steels	0.14–0.2	11
G50460 This grade’s own name	1.7006	Quenched and tempered steels	0.42–0.5	5
G50501 This grade’s own name	1.7138	Spring steels	0.48–0.55	4
G50601 This grade’s own name	1.7137	Others	0.56–0.64	2
G50986 This grade’s own name	1.3501	Bearing steels	0.9–1.05	2
G51150 This grade’s own name	1.7016	Case hardening steels	0.14–0.2	11
G51150 This grade’s own name	1.7131	Case hardening steels	0.14–0.19	24
G51150	1.7139	Case hardening steels	0.14–0.19	11
G51150	1.7147	Case hardening steels	0.17–0.22	15
G51150	1.7149	Case hardening steels	0.17–0.22	8
G51150	1.2162	Tool steels for cold work	0.18–0.24	7
G51170 This grade’s own name	1.7016	Case hardening steels	0.14–0.2	11
G51170 This grade’s own name	1.7131	Case hardening steels	0.14–0.19	24
G51170 This grade’s own name	1.7139	Case hardening steels	0.14–0.19	11
G51200 This grade’s own name	1.3523	Case hardening steels	0.17–0.22	8
G51200 This grade’s own name	1.7027	Case hardening steels	0.17–0.23	12
G51200 This grade’s own name	1.7147	Case hardening steels	0.17–0.22	15
G51200	1.7139	Case hardening steels	0.14–0.19	11
G51200	1.7149	Case hardening steels	0.17–0.22	8
G51200	1.2162	Tool steels for cold work	0.18–0.24	7
G51200	1.7131	Case hardening steels	0.14–0.19	24
G51300 This grade’s own name	1.7030	Quenched and tempered steels	0.24–0.31	12
G51300 This grade’s own name	1.7036	Case hardening steels	0.24–0.31	3
G51320 This grade’s own name	1.7033	Quenched and tempered steels	0.3–0.37	18
G51320 This grade’s own name	1.7037	Quenched and tempered steels	0.3–0.37	8
G51320	1.7030	Quenched and tempered steels	0.24–0.31	12
G51350 This grade’s own name	1.7034	Quenched and tempered steels	0.34–0.41	23
G51350 This grade’s own name	1.7038	Quenched and tempered steels	0.34–0.41	7
G51400	1.7003	Quenched and tempered steels	0.35–0.42	6
G51400	1.7035	Quenched and tempered steels	0.38–0.45	18
G51400	1.7039	Quenched and tempered steels	0.38–0.45	13
G51500	1.7006	Quenched and tempered steels	0.42–0.5	5
G51500	1.7176	Spring steels	0.52–0.59	18
G51600 This grade’s own name	1.7176	Spring steels	0.52–0.59	18
G51601	1.7138	Spring steels	0.48–0.55	4
G51601	1.7190	Spring steels	0.58	7
G51986 This grade’s own name	1.2057	Tool steels for cold work	1–1.1	4
G51986 This grade’s own name	1.3503	Bearing steels	1–1.1	2
G52985	1.2057	Tool steels for cold work	1–1.1	4
G52985	1.3505	Bearing steels	0.93–1.05	22
G52986	1.2057	Tool steels for cold work	1–1.1	4
G52986	1.3505	Bearing steels	0.93–1.05	22
G52986	1.3514	Tool steels for cold work	0.95–1.1	2
G52986	1.2067	Tool steels for cold work	0.95–1.1	21
G52986 / G52950	1.3505	Bearing steels	0.93–1.05	22
G61180 This grade’s own name	1.7016	Case hardening steels	0.14–0.2	11
G61180 This grade’s own name	1.7511	Case hardening steels	0.2–0.24	2

This grade’s own name — recorded in our sources as this grade’s own designation under that standard.
Indicative — taken from a published cross-reference table; a close match, not a guarantee of interchangeability. Verify against the mill certificate before ordering.
Withdrawn — designation no longer current — a separate column from the two above, so a name can be same grade and withdrawn at once.