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Hydraulic Cylinder Tube

Product Details

GB	ASTM/SAE	JIS	DIN	EN
Q345B/Q355B(16Mn)	A572 Gr.50	SM490	St52-3	E355 / S355JR
20#	1020	S20C	C22	C22E
45#	1045	S45C	C45	C45E
42CrMo	4140	SCM440	42CrMo4	42CrMo4

Designation	Symbol	Chinese name	Description(English)
Cold drawn / hard	+C	Cold drawn / Hard state	No final heat treatment after final cold drawing.
Cold drawn / soft	+LC	Cold drawn / annealed state	Final heat treatment is followed by a suitable drawing pass (limited reduction of area).
Cold drawn and stress relieved	+SR	Stress-relieved state after cold drawing	After final cold drawing the tubes are stress relieved in a controlled atmosphere.
Soft annealed	+A	Soft annealed state	After final cold drawing the tubes are soft annealed in a controlled atmosphere.
Normalized	+N	Normalized state	After final cold drawing the tubes are normalized in a controlled atmosphere.

ID Tolerance Table
ID (mm)	H7 tolerance (mm)	H8 tolerance (mm)	H9 tolerance (mm)	H10 tolerance (mm)
>10 - 18	+0.018	+0.027	+0.043	+0.070
>18 - 30	+0.021	+0.033	+0.052	+0.084
>30 - 50	+0.025	+0.039	+0.062	+0.100
>50 - 80	+0.030	+0.046	+0.074	+0.120
>80 - 120	+0.035	+0.054	+0.087	+0.140
>120 - 180	+0.040	+0.063	+0.100	+0.160
>180 - 250	+0.046	+0.072	+0.115	+0.185
>250 - 315	+0.052	+0.081	+0.130	+0.210
>315 - 400	+0.057	+0.089	+0.140	+0.230

Steel Grade	Material No.	Condition	Yield Strength	Tensile Strength	Elongation
E215	1.0212	+C	—	430	8
		+LC	—	380	12
		+SR	280	380	16
		+A	—	280	30
		+N	215	290–430	30
E235	1.0308	+C	—	480	6
		+LC	—	420	10
		+SR	350	420	16
		+A	—	315	25
		+N	235	340–480	25
E255	1.0408	+C	—	580	5
		+LC	—	520	8
		+SR	375	520	12
		+A	—	390	21
		+N	255	440–570	21
E355	1.058	+C	—	640	4
		+LC	—	580	7
		+SR	450	580	10
		+A	—	450	22
		+N	355	490–630	22
C45E	1.1191	+C	—	720	4
		+LC	—	670	6
		+A	—	510	20
		+N	340	≥540	18
42CrMo4	1.7225	+C	—	720	4
42CrMo4	1.7225	+LC	—	670	6

Carbon Honing Tube (ID Tolerance:H7,H8,H9 On request)
ID	OD	Wall thickness	ID	OD	Wall thickness	ID	OD	Wall thickness	ID	OD	Wall thickness	ID	OD	Wall thickness
25	35	5	70	93	11.5	100	116	8	130	148	9	177.8	203.2	12.7
28	35	3.5	70	90	10	100	117	8.5	130	150	10	177.8	215.9	19.05
30	40	5	70	100	15	100	120	10	130	152	11	180	194	7
32	40	4	75	85	5	100	121	10.5	130	155	12.5	180	196	8
32	48	8	75	89	7	100	124	12	130	156	13	180	200	10
35	50	7.5	75	90	7.5	100	125	12.5	130	159	14.5	180	202	11
38	45	3.5	75	95	10	100	127	13.5	130	160	15	180	203	11.5
40	48	4	75	87	6	100	130	15	130	165	17.5	180	205	12.5
40	50	5	75	93	9	100	133	16.5	130	200	35	180	208	14
40	55	7.5	75	100	12.5	100	140	20	135	148	6.5	180	210	15
40	58	9	75	104	14.5	101.6	114.3	6.35	135	156	10.5	180	213	16.5
40	60	10	76.2	88.9	6.35	101.6	117.48	7.94	135	159	12	180	216	18
40	65	12.5	76.2	92.07	7.935	105	115	5	135	160	12.5	180	225	22.5
45	53	4	78	102	12	105	120	7.5	135	168	16.5	180	235	27.5
45	55	5	80	86	3	105	121	8	140	150	5	185	213	14
45	57	6	80	87	3.5	105	122	8.5	140	152	6	185	218	16.5
45	58	6.5	80	88	4	105	125	10	140	153	6.5	190	216	13
45	60	7.5	80	89	4.5	105	130	12.5	140	155	7.5	190	218	14
45	65	10	80	90	5	105	132	13.5	140	156	8	190	219	14.5
50	55	2.5	80	93	6.5	105	135	15	140	160	10	190	225	17.5
50	57	3.5	80	95	7.5	105	140	17.5	140	164	12	190	230	20
50	58	4	80	100	10	108	124	8	140	165	12.5	190	235	22.5
50	60	5	80	102	11	107.95	125	8.525	140	168	14	200	211	5.5
50	65	7.5	80	105	12.5	110	120	5	140	170	15	200	216	8
50	68	9	80	108	14	110	121	5.5	140	172	16	200	216	8
55	65	5	80	112	16	110	125	7.5	140	175	17.5	200	219	9.5
55	68	6.5	80	120	20	110	127	8.5	140	180	20	200	220	10
55	70	7.5	80	133	26.5	110	128	9	145	160	7.5	200	225	12.5
55	73	9	82.55	95	6.225	110	130	10	145	170	12.5	200	232	16
55	75	10	82.55	98.4	7.925	110	132	11	142	172	15	200	235	17.5
55	80	12.5	85	95	5	110	133	11.5	145	175	15	200	240	20
56	66	5	85	98	6.5	110	135	12.5	150	160	5	200	242	21
50	70	10	85	100	7.5	110	140	15	150	163	6.5	200	245	22.5
50	80	15	85	102	8.5	110	145	17.5	150	168	9	203.2	213	4.9
50.8	63.5	6.35	85	104	9.5	110	180	35	150	170	10	203.2	228.5	12.65
55	65	5	85	105	10	114	175	30.5	150	172	11	203.2	241.3	19.05
55	70	7.5	85	106	10.5	114.3	133.35	9.525	150	175	12.5	210	240	15
55	77	11	85	110	12.5	115	130	7.5	150	180	15	210	250	20
57	70	6.5	85	112	13.5	115	133	9	150	184	17	215	250	17.5
60	70	5	88.9	95.5	3.3	115	135	10	150	185	17.5	220	240	10
60	72	6	88.9	98.5	4.8	115	137	11	150	190	20	220	245	12.5
60	73	6.5	88.9	101.6	6.35	115	140	12.5	150	194	22	220	250	15
60	75	7.5	88.9	105	8.05	115	145	15	152.4	171.5	9.55	220	255	17.5
60	78	9	90	100	5	115	148	16.5	152.4	177.8	12.7	220	260	20
60	80	10	90	102	6	115	152	18.5	158.5	185	13.25	220	270	25
60	85	12.5	90	104	7	120	130	5	160	168	4	220	273	26.5
63.5	76.2	6.35	90	105	7.5	120	132	6	160	170	5	225	254	14.5
63	69	3	90	108	9	120	133	6.5	160	172	6	225	254	14.5
63	70	3.5	90	110	10	120	135	7.5	160	175	7.5	225	274	24.5
63	71	4	90	112	11	120	137	8.5	160	178	9	230	250	10
63	73	5	90	114	12	120	140	10	160	180	10	230	255	12.5
63	75	6	90	118	14	120	143	11.5	160	184	12	230	260	15
63	76	6.5	90	120	15	120	145	12.5	160	185	12.5	240	255	7.5
63	78	7.5	90	122	16	120	152	16	160	190	15	240	270	15
63	80	8.5	90	124	17	120	160	20	160	194	17	240	273	16.5
63	83	10	90	130	20	125	132	3.5	160	200	20	250	260	5
63	93	15	95	110	7.5	125	133	4	160	203	21.5	250	266	8
65	75	5	95	112	8.5	125	135	5	165	185	10	250	267	8.5
65	76	5.5	95	114	9.5	125	137	6	165	190	12.5	250	270	10
65	77	6	95	115	10	125	140	7.5	165	195	15	250	273	11.5
65	78	6.5	95	117	11	125	143	9	165.1	190.5	12.7	250	290	20
65	80	7.5	95	120	12.5	125	145	10	170	190	10	250	298	24
65	83	9	95	127	16	125	146	10.5	170	194	12	250	299	24.5
65	85	10	98.4	111.13	6.365	125	148	11.5	170	195	12.5	260	273	6.5
65	88	11.5	100	107	3.5	125	150	12.5	170	200	15	260	299	19.5
65	89	12	100	108	4	125	152	13.5	170	203	16.5	280	299	9.5
65	90	12.5	100	109	4.5	125	159	17	170	205	17.5	300	377	38.5
65	95	15	100	110	5	125	168	21.5	170	208	19	300	320	10
70	80	5	100	112	6	127	140	6.5	175	195	10	300	351	25.5
70	82	6	100	114	7	127	146	9.5	175	195	10	320	340	10
70	83	6.5	100	115	7.5	130	145	7.5	175	200	12.5	400	426	13
70	84	7
70	85	7.5
70	89	9.5
70	90	10