4130 S35 St52 Industrial Alloy Seamless Steel Tube for Precision Applications

• Customization: Available
• After-sales Service: Free
• Warranty: Free
• Model NO.: OD 15-75mm
• Type: Seamless
• Technique: Cold Rolled
• Material: Alloy Steel
• Surface Treatment: Oiled
• Usage: Hydraulic/Automobile Pipe, Machinery Industry, Special Purpose
• Section Shape: Round
• IATF16949: Yes
• Od: 15-70mm
• Thickness: 1-20mm
• Customized: Yes
• Condition: Bright
• Transport Package: Bund
• Trademark: bluesky pipe
• Origin: China
• HS Code: 7304319000
• Production Capacity: 50000 Ton/Year

Product Description

Our cold rolled seamless pipes stand out as precision-engineered steel pipes that boast exceptional dimensional accuracy and a beautifully polished surface finish. Ideal for integration in both mechanical structures and hydraulic equipment, these pipes are crafted through a cold rolling process that surpasses hot rolling in terms of precision and meticulous accuracy.
Advantages of Cold Rolled Seamless Pipes:
Experience rapid molding, exceptional output, and pristine coating preservation with our cold rolled seamless pipes. The versatility of these pipes allows them to be shaped into a multitude of cross-sectional forms, tailored to your specific needs. Through cold rolling, these pipes undergo significant plastic deformation, enhancing their yield point for superior performance.

 

Embrace the future of steel innovation with our high-precision cold-rolled precision steel pipes. Tailored for efficiency, these pipes deliver not only on steel conservation but also on maximizing processing efficiency while minimizing energy expenditure. With stringent inner and outer diameter tolerances, alongside impeccable surface smoothness, roundness, and straightness, our pipes dramatically reduce machining hours. This not only optimizes material utilization but also elevates the overall quality of your products.

Versatile and robust, our product serves a multitude of applications, prominently in the automotive and motorcycle parts sectors, as well as in hydraulic engineering machinery. Its application potential is vast, ensuring performance and reliability across industries.

Size tolerance
OD	Standard tolerance			Special tolerance
Outer Diameter	GB/T3639	DIN2391	EN10305	O D	thickness
4mm-20mm	±0.10 mm	±0.08 mm	±0.08 mm	±0.05mm	±0.05mm
20mm-30mm	±0.10 mm	±0.08 mm	±0.08 mm	±0.08 mm	±0.08 mm
31mm-40mm	±0.15 mm	±0.15 mm	±0.15 mm	±0.10 mm	±0.08 mm
41mm-60mm	±0.20 mm	±0.20 mm	±0.20 mm	±0.15 mm	±0.15 mm
61mm-80mm	±0.30 mm	±0.30 mm	±0.30 mm	±0.20 mm	±0.20 mm
81mm-120mm	±0.45 mm	±0.40 mm	±0.40 mm	±0.30 mm	±0.30 mm

Equivalent Material referance:
GB	TOCT	ASTM	BS	JIS	NF	DIN
10F		1010	040A10		XC10
10	10	10,101,012	045M10	S10C	XC10	C10,CK10
20	20	1020	050A20	S20C	XC18	C22,CK22
45	45	1045	080M46	S45C	XC45	C45,CK45
30CrMo	30XM	4130	1717COS110	SCM420	30CD4
42CrMo		4140	708A42		42CD4	42CrMo4
			708M40
35CrMo	35XM	4135	708A37	SCM3	35CD4	34CrMo4

Material	10#-45#, 16Mn, A53-A369, Cr-Mo alloy, Q195-Q345, ST35-ST52, 10#, 20#, 45#,  16Mn, A213, A315, 30CrMo, Q195, Q215, Q235, Q345, ST35, St37, St45, St52
Surface	Black/ Bright
Standard	DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094- 2000, GB/T 8163-1999, JIS G3101
Size	OD 15mm-70mm
	Thickness 1-12mm
Processing	Cold rolled/ Cold drawn
	1. BK (+C)  No heat treatment after last cold forming process.
	2. BKW (+LC) After last heat treatment there is a light finishing pass ( cold drawing)
	3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.
	4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled  atmosphere.
	5. NBK (+N) After the final cold forming process the tubes are annealed above the  upper transformation point in a controlled atmosphere.
Packing	Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per  customer's request.
Delivery time	Normally 20-30 working days