Material Composition of the Most Frequently Used Materials:

Carbon Steel and Alloy Steel
Number	C	Si	Mn	P	S	Ni	Cr	Mo	Others	Note:
1008	0.10		0.30-0.50	0.04	0.05					S. B, F, C
1010	0.08-0.13		0.30-0.60	0.04	0.05					S. B, F, C
1018	0.15-0.20		0.60-0.90	0.04	0.05					S. B, F, C
1020	0.18-0.23		0.30-0.60	0.04	0.05					S. B, F, C
1035	0.32-0.38		0.60-0.90	0.04	0.05					S. B, F, C
1040	0.37-0.44		0.60-0.90	0.04	0.05					S. B, F, C
1045	0.43-0.50		0.60-0.90	0.04	0.05					S. B, F, C
1050	0.48-0.56		0.60-0.90	0.04	0.05					S. B, F, C
12L14	0.15		0.85-1.15	0.04-0.09	0.26-0.35				Pb0.15-0.35	S. B
4135	0.33-0.38	0.15-0.35	0.70-0.90	0.035	0.040		0.80-1.10	0.15-0.25		S. B, F, C
4140	0.38-0.43	0.15-0.35	0.75-1.00	0.035	0.040		0.80-1.10	0.15-0.25		S. B, F, C
5120	0.17-0.22	0.15-0.35	0.70-0.90	0.035	0.040		0.70-0.90			S. B, F, C
5135	0.33-0.38	0.15-0.35	0.60-0.80	0.035	0.040		0.80-1.05			S. B, F, C
5140	0.38-0.43	0.15-0.35	0.70-0.90	0.035	0.040		0.70-0.90			S. B, F, C
6150	0.48-0.53	0.15-0.35	0.70-0.90	0.035	0.040		0.80-1.10		V 0.15min	S. B, F, C
8620	0.18-0.23	0.15-0.35	0.70-0.90	0.035	0.040	0.40-0.70	0.40-0.60	0.15-0.25		S. B, F, C
Stainless Steel
Number	C	Si	Mn	P	S	Cr	Ni	Mo	Others	Note:
304	0.08	1.00	2.00	0.045	0.030	18-20	8-10.5		N 0.10	S. B, F, C
304L	0.03	1.00	2.00	0.045	0.030	18-20	8-10.5		N 0.10	S. B, F, C
316	0.08	1.00	2.00	0.045	0.030	16-18	10-14	2.0-3.0	N 0.10	S. B, F, C
420	0.15	1.00	1.00	0.040	0.030	12-14				S. B, F, C
430	0.12	1.00	1.00	0.040	0.030	16-18				S. B, F, C
440	0. 6-1.2	1.00	1.00	0.040	0.030	16-18		0.75		S. B, F, C
630 (17-4)	0.07	1.00	1.00	0.040	0.030	15-17.5	3-5		Cu 3-5	S. B, F, C
Aluminum Alloy
Number	Al	Si	Fe	Cu	Mn	Mg	Cr	Zn	Others	Note:
2014	Rem	0.5-1.2	0.7 max	3.9-5.0	0.40-1.2	0.20-0.8	0.1max	0.25max	Ti0.15max	B, F
2024	Rem	0.5max	0.5max	3.8-4.9	0.3-0.9	1.2-1.8	0.1max	0.25max	Ti0.15max	B, F
5052	Rem	0.25max	0.4max	0.1max	0.1max	2.2-2.8	0.15-0.35	0.10max		S
6061	Rem	0.4-0.8	0.7 max	0.15-0.40	0.15max	0.8-1.2	0.04-0.35	0.25max	Ti0.15max	S. B, F
6063	Rem	0.2-0.6	0.35 max	0.1max	0.1max	0.45-0.9	0.1max	0.1max	Ti0.1max	S. B, F
7075	Rem	0.4max	0.5max	1.2-2.0	0.3 max	2.1-2.9	0.18-2.8	5.1-6.1	Ti0.20max	B, F
356	Rem	6.6-7.5	0.6 max	0.25max	0.35 max	0.20-0.45		0.35 max	Ti0.25max	C
A356	Rem	6.6-7.5	0.2 max	0.2max	0.1 max	0.25-0.45		0.1 max	Ti0.20max	C
A360	Rem	9-10	1.3 max	0.6max	0.35max	0.4-0.6		0.5 max	Ni0.5max Sn0.15max	C
380	Rem	7.5-9.5	1.3 max	3-4	0.5max	0.1 max		3 max	Ni0.5max Sn0.35max	C
A380	Rem	7.5-9.5	2 max	3-4	0.5max	0.1 max		3 max	Ni0.5max Sn0.35max	C
Zinc Alloy
Number	Al	Mg	Zn	Cd	Cu	Fe	Pb	Sn	Others	Note:
Zamak #3	4.1	0.04	96						AG40A	C
Zamak #5	3.5-4.3	0.03-0.08	94.25-95.72	0.004max	0.75-1.25	0.1max	0.005max	0.003max	AG41A	C
Copper, Brass, and Bronze Alloy
Number	Cu	Pb	Fe	Sn	Zn	Mn	Ni	P	Others	Note:
C110	99.9									S. B, F, C
C260	68.5-71.5	0.07max	0.05max		Rem					S
C268	64-68.5	0.07max	0.05max		Rem					S
C360	60-63	2.5-3.7	0.35max		Rem					S, B
C377	58-61	1.5-2.5	0.3max		Rem					B, F
C521	Rem	0.05max	0.1max	7-9	0.2max			0.03-0.35		S
C836	84-86	4.0-5.7	0.25	4.6-6.0	4.3-6.0		0.8		Al0.005max	C
C865	55-60	0.3	0.4-2	1	36-42	0.1-1.5	0.8		Al0.5-1.5	C

Carbon Steel and Alloy Steel
ASTM	DIN		JIS	BS	GB	ISO	NF
1008 1010	1.0310 1.1121	C10 CK10	S10C	045A10 045M10	08 10	C10	XC10
1015	1.0401 1.1141	C15 CK15	S15C		15		XC18 XC18S
1020	1.0402 1.1151	C20 CK20	S20C	070M20	20
1035	1.0501 1.1181	C35 CK35	S35C	080A35 080M36	35	C35 C35E4	XC38 XC38H1 XC38H2
1040	1.0511 1.1186	C40 CK40	S40C	060A40 080A40 080M40	40	C40 C40E4	XC42H1 XC42H2
1045	1.0503 1.1191	C45 CK45	S45C	060A45 080A46	45	C45 C45E4	XC45
1050	1.0540 1.1210	C50 CK50	S50C	080M50	50	C50 C50E4	XC50
12L14	1.0737	9SMnPb36	SUM24L		Y12Pb	11SMnPb28
4135	1.7220	34CrMo4	SCM435	708A37 709A37		34CrMo4	34CD4 38CD4
4140 4142	1.7225 1.7227	42CrMo4 42CrMoS4	SCM440	708M40 708A40 708A42 709M42 709M40	42CrMoA	42CrMo4	42CD4
5120		20Cr4	SCr420		20Cr	20Cr4	20MC5
5135	1.7033 1.7034	34Cr4 37Cr4	SCr435	530A36	35Cr	34Cr4 37Cr4	38MC4
5140	1.7034 1.7035	37Cr4 41Cr4	SCr440	530A40 530M40	40Cr	37Cr4 41Cr4	42MC4
6150	1.8159	50CrV4	SUP10	735A51 735H51	50CrVA	9	50CV4
8620	1.7321	20NiCrMo2	SNACM220	805A20 805M20		20NiCrMo2	20NCD2
Stainless Steel
ASTM	DIN		JIS	BS	GB	ISO	NF
304 S30400	1.4301	X5CrNi18-10	SUS304	304S31	0Cr18Ni9 0Cr19Ni9	11	Z7CN18.09
304L S30403	1.4306	X2CrNi19-11	SUS304	304S11	0Cr19Ni10	10	Z3CN18.10
316 S31600	1.4401	X5CrNiMo17-12-2	SUS316	316S31	0Cr17Ni12Mo2	20	Z7CND17.11-02
420 S42000	1.4021 1.4028	X20Cr13 X30Cr13	SUS420	420S29	2Cr13 3Cr13	4	Z20C13
430 S43000	1.4016	X6Cr17	SUS430	430S17	1Cr17	8	Z8C17
440C S44004	1.4125	X105CrMo17	SUS440C		9Cr18 11Cr17		Z100CD17
630 S17400 (17-4)	1.4542	X5CrNiCuNb17-4	SUS630		0Cr17Ni4Cu4Nb	1	Z6CNU17.04
Aluminum Alloy
ASTM	DIN		JIS	BS	GB	ISO	NF
2014	3.1255	AlCuSiMn	A2014S	2014A	LD10	Al-Cu4SiMg	2014A
2024	3.1335	AlCuMg2	A2024S		LY9	Al-Cu4Mg1	2024
5052	3.3535	AlMg3	A5052S		LF2		5052
6061	3.3206	AlMgSi0.5	A6061S	6061	LD2 LD3	Al-Mg1SiCu	6061
6063			A6063S	6063		Al-Mg0.7Si
7075	3.4365	AlZnMgCu1.5	A7075S		LC4	AlZn5.5MgCu	7075
356			AC4C	LM-25	ZL101	Al-Si7Mg(Fe)	A-S7G
A356		G(GK)-AlSi7Mg	AC4CH			Al-Si7Mg
A360 (SG100A)	3.2382.05	GD-AlSi10Mg	ADC3		Y104 (YZAlSi10Mg)		A-S9
380
A380 (SC84A)		GD-AlSi9Cu3	ADC10	LM 24		Al-Si8Cu3Fe	A-S9U3
383 (SC102A)			ADC12	LM2
Zinc Alloy
ASTM	DIN		JIS	BS	GB	ISO	NF
Zamak 3 AG40A	2.2140	GD-ZnAl4	ZDC2		ZZnAlD4
Zamak 5 AG41A	2.2141	GD-ZnAl4Cu1	ZDC1		ZZnAlD4-1
Copper, Brass, and Bronze Alloy
ASTM	DIN		JIS	BS	GB	ISO	NF
C110 C11000	2.0090	E-Cu57	C1100	C101 C102	T2	Cu-ETP
C260 C26000	2.0265	CuZn30	C2600	CZ106	H70	CuZn30
C268 C26800	2.0335	CuZn36	C2680	CZ107	H68	CuZn35
C360 C36000	2.0331 2.0401	CuZn36Pb3 CuZn39Pb3	C3601 C3602 C3603 C3604	CZ124 CZ121	HPb61-1	CuZn36Pb3 CuZn37Pb2 CuZn38Pb2 CuZn39Pb3
C377 C37700	2.0380	CuZn39Pb2	C3771	CZ122	HPb59-1	CuZn38Pb2
C521 C52100	2.1030	CuSn8	C5210	PB104		CuSn8
C836 C83600	2.1096.01	CuSn5ZnPb	BC6 BC6C	LG2	ZCuSn5Zn5Pb5	CuPb5Sn5Zn5
C865 C86500	2.0592	CuZn35Al1	HBsC1	HTP1		CuZn35AlFeMn

Below is a conversion table for the hardness of the steel.

The values listed are for reference only. There are some parameters that could change the conversion. For example, the HV is only testing on a focused small spot, where the HRC/HB would have a test result from a much bigger area.

Item	Rockwell	Rockwell	Surface Rockwell	Surface Rockwell	Surface Rockwell	Vickers	Brinell	Brinell
	HRC	HRA	HR15N	HR30N	HR45N	HV	HB30D2	d10、2d5、4d2.5mm
1	17		67.3	37.9	15.6	211	211	4.15
2	17.5		67.6	38.4	16.2	214	214	4.13
3	18		67.8	38.9	16.8	216	216	4.11
4	18.5		68	39.3	17.4	218	218	4.09
5	19		68.3	39.8	18	221	220	4.07
6	19.5		68.5	40.3	18.6	223	222	4.05
7	20		68.8	40.7	19.2	226	225	4.03
8	20.5		69	41.2	19.8	229	227	4.02
9	21		69.3	41.7	20.4	231	227	4
10	21.5		69.5	42.2	21	234	232	3.97
11	22		69.8	42.6	21.5	237	234	3.95
12	22.5		70	43.1	22.1	240	237	3.93
13	23		70.3	43.6	22.7	243	240	3.91
14	23.5		70.6	44	23.3	246	242	3.89
15	24		70.8	44.5	23.9	249	245	3.87
16	24.5		71.1	45	24.5	252	248	3.85
17	25		71.4	45.5	25.1	255	251	3.83
18	25.5		71.6	45.9	25.7	258	254	3.8
19	26		71.9	46.4	26.3	261	257	3.78
20	26.5		72.2	46.9	26.9	264	260	3.76
21	27		72.4	47.3	27.5	268	263	3.74
22	27.5		72.7	47.8	28.1	271	266	3.72
23	28		73	48.3	28.7	274	269	3.7
24	28.5		73.3	48.7	29.3	278	273	3.67
25	29		73.5	49.2	29.9	281	276	3.65
26	29.5		73.8	49.7	30.5	285	280	3.63
27	30		74.1	50.2	31.1	298	283	3.61
28	30.5		74.4	50.6	31.7	292	287	3.59
29	31		74.7	51.1	32.3	296	291	3.56
30	31.5		74.9	51.6	32.9	300	294	3.54
31	32		75.2	52	33.5	304	298	3.52
32	32.5		75.5	52.5	34.1	308	302	3.5
33	33		75.8	53	34.7	312	306	3.48
34	33.5		76.1	53.4	35.3	316	310	3.46
35	34		76.4	53.9	35.9	320	314	3.43
36	34.5		76.7	54.4	36.5	324	318	3.41
37	35		77	54.8	37	329	323	3.39
38	35.5		77.2	55.3	37.6	333	327	3.37
39	36		77.5	55.8	38.2	338	332	3.34
40	36.5		77.8	56.2	38.8	342	336	3.32
41	37		78.1	56.7	39.4	347	341	3.3
42	37.5		78.4	57.2	40	352	345	3.28
43	38		78.7	57.6	40.6	357	350	3.26
44	38.5		79	58.1	41.2	362	355	3.24
45	39	70	79.3	58.6	41.8	367	360	3.21
46	39.5	70.3	79.6	59	42.4	372	365	3.19
47	40	70.5	79.9	59.5	43	377	370	3.17
48	40.5	70.8	80.2	60	43.6	382	375	3.15
49	41	71.1	80.5	60.4	44.2	388	380	3.13
50	41.5	71.3	80.8	60.9	44.8	393	385	3.11
51	42	71.6	81.1	61.3	45.4	399	391	3.09
52	42.5	71.8	81.4	61.8	45.9	405	396	3.07
53	43	72.1	81.7	62.3	46.5	411	401	3.05
54	43.5	72.4	82	62.7	47.1	417	407	3.03
55	44	72.6	82.3	63.2	47.7	423	413	3.01
56	44.5	72.9	82.6	63.6	48.3	429	418	2.99
57	45	73.2	82.9	64.1	48.9	436	424	2.97
58	45.5	73.4	83.2	64.6	49.5	443	430	2.95
59	46	73.7	83.5	65	50.1	449	436	2.93
60	46.5	73.9	83.7	65.5	50.7	456	442	2.91
61	47	74.2	84	65.9	51.2	463	449	2.89
62	47.5	74.5	84.3	66.4	51.8	470	455	2.87
63	48	74.7	84.6	66.8	52.4	478	461	2.85
64	48.5	75	84.9	67.3	53	485	468	2.83
65	49	75.3	85.2	67.7	53.6	493	474	2.81
66	49.5	75.5	85.5	68.2	54.2	501	481	2.79
67	50	75.8	85.7	68.6	54.7	509	488	2.77
68	50.5	76.1	86	69.1	55.3	417	494	2.75
69	51	76.3	86.3	69.5	55.9	525	501	2.73
70	51.5	76.6	86.6	70	56.5	534
71	52	76.9	86.8	70.4	57.1	543
72	52.5	77.1	87.1	70.9	57.6	551
73	53	77.4	87.4	71.3	58.2	561
74	53.5	77.7	87.6	71.8	58.8	570
75	54	77.9	87.9	72.2	59.4	579
76	54.5	78.2	87.6	72.6	59.9	589
77	55	78.5	88.4	73.1	60.5	599
78	55.5	78.7	88.6	73.5	61.1	609
79	56	79	88.9	73.9	61.7	620
80	56.5	79.3	89.1	74.4	62.2	631
81	57	79.5	89.4	74.8	62.8	642
82	57.5	79.8	89.6	75.2	63.4	653
83	58	80.1	89.8	75.6	63.9	664
84	58.5	80.3	90	76.1	64.5	676
85	59	80.6	90.2	76.5	65.1	688
86	59.5	80.9	90.4	76.9	65.6	700
87	60	81.2	90.6	77.3	66.2	713
88	60.5	81.4	90.8	77.7	66.8	726
89	61	81.7	91	78.1	67.3	739
90	61.5	82	91.2	78.6	67.9	752
91	62	82.2	91.4	79	68.4	766
92	62.5	82.5	91.5	79.4	69	780
93	63	82.8	91.7	79.8	69.5	795
94	63.5	83.1	91.8	80.2	70.1	810
95	64	83.3	91.9	80.6	70.6	825
96	64.5	83.6	92.1	81	71.2	840
97	65	83.9	92.2	81.3	71.7	856
98	65.5	84.1				872
99	66	84.4				889
100	66.5	84.7				906
101	67	85				923
102	67.5	85.2				941
103	68	85.5				959
104	68.5	85.8				978
105	69	86.1				997
106	69.5	86.3				1017
107	70	86.6				1037