Product Details

Product name: Xinpeng cold drawn and honed precision tube steel factory

Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers

of the precision tube and hydraulic cylinder tube in North of China.

Since 2002 cold drawn machine set importing,

Xinpeng become a big precision steel pipe manufacture

with 500Mt month productivity in the next 12 years.

Products widely used in the hydraulic cylinder of the heavy machinery,

Cranes, excavator, forklifts and the Petrol industry.

About our productions:

Production Details:
Grade:	20#(CK20,AISI1020),45#(CK45,AISI1045),Q345,ST52(16Mn,Q345D), 42CrMo,25Mn (STKM13C-T),27SiMn.etc cold drawn seamless pipes
ID:	50-250mm
ID tolerance:	H8,H9
Surface roughness:	Ra 0.02—0.4μm
Final supply condition:	cold drawn and stress-relieved(BK+S)
Machining allowance:	0.5-1.5mm
Wall thickness:	10%×ID

Mechanics performance:
Material	Tensile strength	Yield strength	Elongation	Hardness
CK20/20#/AISI1020	>520 N/ mm2	>375 N/mm2	>15%	>85HB
CK45/45#/AISI1045	>600 N/ mm2	>520 N/ mm2	>15%	>85HB
ST52/16Mn/Q345D	>600 N/ mm2	>520 N/ mm2	>15%	>85HB
25Mn/STKM 13C-T	>600 N/ mm2	>530 N/ mm2	>15%	>85HB

Variety :
Processing	Cylinder Diameter	Straightness	Size Accuracy	W.T/mm	Inner Bore Roughess
Cold drawn/cold rolled	ID30-250	0.3	H9-H11	±10%	0.4~1.6um
Honed tube	ID50-250	0.3	H7-H9	±10%	<0.4um

Size ID*OD (mm) length can be fixed biggest 6M
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	200*213
70*85	125*145	180*205	200*216
70*90	125*150	180*210	250*266
75*90	130*150	180*215	60*45
80*92	130*155	180*220	70*57
80*95	130*160	185*205	90*80
80*100	135*160	185*215	102*90
85*100	140*160	185*220	50*40
90*105	140*165	190*210	55*40

Process :

About our package:

About our test equipment:

Distribution, production,agency services:

1. Distribution: Various specifications and materials of seamless steel tubes produced by steel tube plants, such as Baosteel, Baogang Group, Hubei Xinyegang Steel, Tianjin Pipe, Hu’nan Hengyang Valin Steel Tube, PanGang Group Chengdu Iron & Steel, Shandong Yantai General Steel Tube Plant, Yantai Lubao, etc.

2. In October 2002, Shandong Penghui Hydro-cylinder Co., Ltd. was established, and 1 set of 250 ton hydraulic precision cold drawn unit was introduced to produce various specifications of cold drawn precision steel tubes, which are widely used in such industries as hydro-cylinder, automobile, engineering machinery, textile machinery, printing machinery, oil drilling, etc.

3. Agent service: Hydro-cylinder used high precision cold drawn welded tube (DOM) produced by Italy Marcegaglia.

Adhere to the business concept of “integrity”, “the Xinpeng Staff” are dedicated to building the brand of Xinpeng Steel Tube with high quality products, and preserving the enterprise image of Xinpeng Steel Tube with perfect service and supreme credibility.

We warmly welcome new and old customers to our company to negotiate business, sincerely cooperate with each other, and realize mutual prosperity and common development.

About our certificate:

About our deliver conditions:

1. Standard packing with plastic caps and strapped bundles.

2. Commercial length 2000~10500mm,custom lengths upon request

3. Surface protection

About our service:

1. Cargo track service during transporting and feedback service after cargo is loaded on board

2. Flexible terms of payment by T/T and L/C
3. Big discount for repeat customers
4. Smooth delivering procedure

These are size we have stock , please check, if any need, welcome to inquiry, lowest price will be

Cold drawn size available on Mold( other size can do Customized)
45*30	48*31.75	50*40	55*45
60*50	60*45	63*50	63*55
70*50	70*57	73*63	75*50
75*55	75*60	75*65	80*65
80*70	90*75	94*80	95*80
98*85	100*85	105*90	111*95
112*95	116*100	118*100	123*105
124*110	128*110	134*115	140*120
141*120	146*125	152*130	154*130
158*135	160*135	165*140	176*150
Material: 25Mn( STKM13CT) 16Mn(Q345B Q345D, St52 ) 10# (St37.2) 20# (1020 S20C CK20 St45) 45#(ck45 S45C) Standard: GBT3639 Din2391 En10305