Standard H Steels
Chemical Composition Ranges and Limits
SAE No. C Mn Cr Ni Mo V Si
1330 H .27/.33 1.45/2.05 — — — — —
1335 H .32/.38 1.45/2.05 — — — — —
1340 H .37/.44 1.45/2.05 — — — — —
1345 H .42/.49 1.45/2.05 — — — — —
4027 H .24/.30 .60/1.00 — — .20/.30 — —
4028 Ha .24/.30 .60/1.00 — — .20/.30 — —
4032 H .29/.35 .60/1.00 — — .20/.30 — —
4037 H .34/.41 .60/1.00 — — .20/.30 — —
4042 H .39/.46 .60/1.00 — — .20/.30 — —
4047 H .44/.51 .60/1.00 — — .20/.30 — —
4118 H .17/.23 .60/1.00 .30/.70 — .08/.15 — —
4130 H .27/.33 .30/.70 .75/1.20 — .15/.25 — —
4135 H .32/.38 .75/1.20 .75/1.20 — .15/.25 — —
4137 H .34/.41 .75/1.20 .75/1.20 — .15/.25 — —
4140 H .37/.44 .75/1.20 .75/1.20 — .15/.25 — —
4142 H .39/.46 .75/1.20 .75/1.20 — .15/.25 — —
4145 H .42/.49 .75/1.20 .75/1.20 — .15/.25 — —
4147 H .44/.51 .75/1.20 .75/1.20 — .15/.25 — —
4150 H .47/.54 .75/1.20 .75/1.20 — .15/.25 — —
4161 H .55/.65 .65/.95 .65/.95 — .25/.35 — —
4320 H .17/.23 .35/.65 .35/.65 1.55/2.00 .20/.30 — —
4340 H .37/.44 .55/.90 .65/.95 1.55/2.00 .20/.30 — —
E4340 H .37/.44 .60/.95 .65/.95 1.55/2.00 .20/.30 — —
4620 H .17/.23 .35/.75 — 1.55/2.00 .20/.30 — —
4718 H .15/.21 .60/.95 .30/.60 .85/1.25 .30/.40 — —
4720 H .17/.23 .45/.75 .30/.60 .85/1.25 .15/.25 — —
4815 H .12/.18 .30/.70 — 3.20/3.80 .20/.30 — —
4817 H .14/.20 .30/.70 — 3.20/3.80 .20/.30 — —
4820 H .17/.23 .40/.80 — 3.20/3.80 .20/.30 — —
5046 H .43/.50 .65/1.10 .13/.43 — — — —
5120 H .17/.23 .65/1.10 .60/1.00 — — — —
5130 H .27/.33 .65/1.10 .75/1.20 — — — —
5132 H .29/.35 .50/.90 .65/1.10 — — — —
5135 H .32/.38 .50/.90 .70/1.15 — — — —
5140 H .37/.44 .60/1.00 .60/1.00 — — — —
5147 H .45/.52 .60/1.05 .80/1.25 — — — —
5150 H .47/.54 .60/1.00 .60/1.00 — — — —
5155 H .50/.60 .60/1.00 .60/1.00 — — — —
5160 H .55/.65 .60/1.10 .60/1.00 — — — —
6118 H .15/.21 .40/.80 .40/.80 — — — .10/.15
6150 H .47/.54 .60/1.00 .75/1.20 — — — 0.15
8617 H .14/.20 .60/.95 .35/.65 .35/.75 .15/.25 — —
8620 H .17/.23 .60/.95 .35/.65 .35/.75 .15/.25 — —
8622 H .19/.25 .60/.95 .35/.65 .35/.75 .15/.25 — —
8625 H .22/.28 .60/.95 .35/.65 .35/.75 .15/.25 — —
8627 H .24/.30 .60/.95 .35/.65 .35/.75 .15/.25 — —
8630 H .27/.33 .60/.95 .35/.65 .35/.75 .15/.25 — —
8637 H .34/.41 .70/1.05 .35/.65 .35/.75 .15/.25 — —
8640 H .37/.44 .70/1.05 .35/.65 .35/.75 .15/.25 — —
8642 H .39/.46 .70/1.05 .35/.65 .35/.75 .15/.25 — —
8645 H .42/.49 .70/1.05 .35/.65 .35/.75 .15/.25 — —
8650 H .47/.54 .70/1.05 .35/.65 .35/.75 .15/.25 — —
8655 H .50/.60 .70/1.05 .35/.65 .35/.75 .15/.25 — —
8660 H .55/.65 .70/1.05 .35/.65 .35/.75 .15/.25 — —
8720 H .17/.23 .60/.95 .35/.65 .35/.75 .20/.30 — —
8740 H .37/.44 .70/1.05 .35/.65 .35/.75 .20/.30 — —
8822 H .19/.25 .70/1.05 .35/.65 .35/.75 .30/.40 — —
9620 H .55/.65 .65/1.10 — — — 1.70/2.20 —
9310 H .07/.13 .40/.70 1.00/1.45 2.95/3.55 .08/.15 — —

NOTE: Unless specified: Si = .15/.35, P = .025 max, S = .025 max, Cu = .35 max, Ni = .25 max, Cr = .20 max, Mo = .06 max.
a Sulfur content is .035/.050.

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