St45 Cylinder Pipe/ Internally Polished Seamless Tube/St45 Honing Tube Honed and Skiving Tube

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Bare, Oiled
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Grade: St52 E355 Stkm 13c 1026 E470 Cold Drawn Seamless H
• End: Plain End, Spigot & Socket Joint, Beveled, Cut Squ
• End Protector: Plastic Pipe Caps
• Standard: ASTM, GB, API, JIS, BS, DIN, Yb, Sny, etc
• Third Party Inspection: SGS, BV or Others
• Transport: by Container or Bulk Vessel
• Transport Package: Standard Export Package
• Specification: OD Size:10-910mm Wall thickness (W.T.):2mm-60mm
• Trademark: BKS
• Origin: China
• HS Code: 730419
• Production Capacity: 5000 Tons/Month

Product Description

St45 Cylinder Pipe/ Internally Polished Seamless Tube/St45 Honing Tube Honed and Skiving Tube 
 Product photos and details

Hydraulic Cylinder Honed Tube
Standard: ASTM A519, DIN2391, EN10204-1
Grade: 1020, C45, ST52, ST52.3, 27SiMn, 25Mn
Technology: Cold Drawn, Cold roll, Honed, Skived, Burnished
Application: construction machinery, metallurgical machinery, plastic machinery, mining machinery, road construction machinery, hydraulic and pneumatic cylinders

Size

Manufacturing Process	Tube ID	Length	Straightness	Dimensional Accuracy	Tolerance on ID	Inner Bore Roughness
honing	Φ40-800mm	≤13m	0.2-0.3mm	H8~H9	±8%	<=0.8 um

Chemical Composition

grade	C	Si	Mn	P	S	Cr	Ni	Cu	V	Al
1020	0.17-0.23	0.17-0.37	0.35-0.65	<=0.035	<=0.035	<=0.25	<=0.30	<=0.25	-	-
C45	0.42-0.50	0.17-0.37	0.50-0.80	<=0.035	<=0.035	<=0.25	<=0.30	<=0.25	-	-
16Mn	0.13-0.19	0.20-0.60	1.20-1.60	<=0.030	<=0.030	<=0.030	<=0.30	<=0.25	-	-
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	<=0.035	<=0.035	<=0.30	<=0.30	<=0.20	-	-
ST52	<=0.20	<=0.50	<=1.70	<=0.035	<=0.035	<=0.30	<=0.50	<=0.30	<=0.15	-
ST52.3	<=0.18	<=0.50	<=1.70	<=0.030	<=0.25	<=0.30	<=0.50	<=0.30	<=0.15	≥0.015

Mechanical Property

Grade	Cold finished (hard) (BK)		Cold finished (hard) (BK+S)			Hardness	Impact Value (-20°C) J
	T.S bN/mm^2	Elongation 85%	T.S bN/mm^2	Y.S SN/mm^2	Elongation 85%
1020	≥550	≥8	≥520	≥400	≥15	170	--
C45	≥680	≥5	≥630	≥520	≥12	190	--
16Mn	≥640	≥5	≥600	≥520	≥14	160	--
27SiMn	≥780	≥5	≥700	≥580	≥10	220	--
ST52	≥660	≥8	≥620	≥520	≥15	190	--
ST52.3	≥660	≥8	≥620	≥520	≥15	190	≥27

Size Tolerance(mm)

ID size	ID Tolerance					WT Tolerance
	H7	H8	H9	H10	H11
30	+0.0210	+0.0330	+0.0520	+0.0840	+0.1300	±5%
>30-50	+0.0250	+0.0390	+0.0620	+0.1000	+0.1600
>50-80	+0.0300	+0.0460	+0.0740	+0.1200	+0.1900
>80-120	+0.0350	+0.0540	+0.0870	+0.1400	+0.2200
>120-180	+0.0400	+0.0630	+0.1000	+0.1600	+0.2500
>180-250	+0.0460	+0.072	+0.1150	+0.1850	+0.2900
>250-315	+0.0520	+0.0810	+0.1300	+0.2100	+0.3200
>315-800	+0.0570	+0.0890	+0.1400	+0.2300	+0.3600

 

OD	Tolerance	OD	Tolerance
≤Φ40	±0.15	Φ160~200	±0.80
Φ40~60	±0.25	Φ200~240	±1.00
Φ60~80	±0.30	Φ240~340	±1.50
Φ80~100	±0.40	Φ340~440	±2.00
Φ100~160	±0.50	Φ440~520	±2.50

 

 

 

Detailed Photos

 

Packaging & Shipping

 

Shipping--- by container (Apply to a few or common quantity) or in bulk ( Apply to huge quantity)
Container sizes: 
20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High) 
For 20feet container load 25tons-28tons pipes whose max. length is 5.8m. 
For40feet container load 25tons-26tons pipes whose max. length is 12m.




Company informations
 

Tianjin Boer King Steel Co.,Ltd. is located in Shuang Gang industrial zone of Jinnan district ,Tianjin. Our company is 36km away from Tianjin port, 6km away from Tianjin airport and 40km away from Tianjin railway station. 
 

We have established quality management system according to ISO9001:2008 and carry out the total quality management. Now, We sell 160,000 tons steel pipes per year, including the steel pipes for the high, medium and low pressure boilers, shipping, transporting liquid products, the petroleum cracking process, the fertilizer facilities, the structure ,the hollow sucker rod , oil well casing and drill pipe, galvanized steel pipe and some stainless steel. Provide high quality products to in different industries customers .

In recent years, the company products are not only sold well in domestic market but also exported to different countries and areas in the world. Our products are very popular in the overseas market. A number of overseas well-known enterprises have established a long-term business relationship with us.

Warmly welcome customers home and abroad to visit our company and give us valuable suggestions. We would like to have long term cooperation with customers from all over the world on the basis of mutual prosperity and development. 

Thank you!

Exhibition

Contact us
Contact: Tina Zhang
Boer King Steel Group
Tianjin Boer King Steel IMP&EXP Co.,Ltd
Add: No.602,Shuanggang Development Zone,Tianjin,300350 China.
 
 
 
 
 
Web: http://boerkingsteel.en.made-in-china.com