Product Details

about our company

we are YanTai XinPeng Steel Pipe Co.,Ltd, our company esatblished in 1992,so we have about 23 years in the manufacture of stee tube ,we produces various specification of seamless steel tube ,such as cold drawn seamless and hydraulic cylinder steel tube ,honed tube ,etc.these products are widely used in hydraulic cylinder ,automobile ,oil drilling ,textil machinery ,engineering machinery ,printing machinery ,etc.

commodity name : cold rolled DIN st52.3 hydraulic cylinder seamless steel tube

Standard	DIN EN ASTM GB JIS AISI
Material	10#-45#,16Mn, st35-st52 ,q345 ,
Heat treatment	according to the customer's aquirement
Specification	Outer diameter(mm)	wall thickness
	30-250mm	2mm-30mm
I.D Tolerance	H8-H10
Length	according to the customer's need
ID roughness	RA 0.4-0.8
Technology	Honed & SRB(SKIVED AND ROLLER BURNISHED )

40*50	90*110	140*170	190*215
40*55	95*110	145*170	190*220
50*60	95*115	150*170	190*225
50*65	100*110	150*175	200*220
55*70	100*114	150*180	200*225
60*70	100*115	155*180	200*230
60*75	100*120	160*175	200*245
60*78	100*125	160*180	200*250
63*73	105*125	160*185	220*250
63*75	110*125	160*190	220*270
63*76	110*130	160*195	225*250
63*78	115*130	165*190	240*273
65*80	115*135	165*205	250*290
70*80	120*140	170*200	250*300
70*82	125*140	180*200	260*300
70*85	125*145	180*205	280*323
70*90	125*150	180*210	280*355
75*90	130*150	180*215	300*350
80*92	130*155	180*220	200*213
80*95	130*160	185*205	200*216
80*100	135*160	185*215	250*266
85*100	140*160	185*220	customized
90*105	140*165	190*210	customized

Chemical composition of Material:

Steel grade	Chemical composition,%
	C	Si	Mn	P	S	Cr
				P	S	Cr
				≤
St45 (20#)	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.25
ST52(E355)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.25
SAE1026	0.22-0.28	0.15-0.35	0.6-0.9	0.04	0.05	/
STKM 13C	≤0.25	≤0.35	0.3-0.9	0.04	0.04	/
Q345B	≤0.2	≤0.5	1.0-1.6	0.03	0.03	0.30
CK45	0.42-0.50	0.17-0.37	0.5-0.8	0.035	0.035	0.25

ID size	ID deviation (mm)
ID size	H7	H8	H9	H10
30	+0.0210	+0.0330	+0.0520	+0.0840
>30~50	+0.0250	+0.0390	+0.0620	+0.1000
>50~80	+0.0300	+0.0460	+0.0740	+0.1200
>80~120	+0.0350	+0.0540	+0.0870	+0.1400
>120~180	+0.0400	+0.0630	+0.1000	+0.1600
>180~250	+0.0460	+0.0720	+0.1150	+0.1850
>250~315	+0.0520	+0.0810	+0.1300	+0.2100
>315~400	+0.05270	+0.0890	+0.1400	+0.0230