Industrial Seamless Precision Steel Pipe with 15-70mm Diameter 4130 S35 St52

• 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

Cold rolled seamless pipe represents a pinnacle of engineering precision in seamless steel pipe design, boasting unparalleled dimensional accuracy and a superbly smooth surface finish. It is an essential component for mechanical frameworks and hydraulic machinery, where precision is paramount. The cold rolling process elevates this product above its hot rolled counterparts, delivering superior accuracy and finish.
Advantages of Cold Rolled Seamless Pipes:
Experience an impressive blend of fast molding speeds and high output, all while preserving the integrity of surface coatings. This process allows for the creation of diverse cross-sectional profiles tailored to specific application needs. Moreover, cold rolling induces substantial plastic deformation in steel, significantly enhancing its yield strength, making it more resilient under load.

 

Embrace the next generation of steel utilization with high-precision cold-rolled seamless steel pipes. These innovations in steel pipe technology ensure exacting inner and outer diameter tolerances, exceptional surface smoothness, and impeccable roundness and straightness. Such high standards in manufacturing translate to significant steel conservation, improved processing efficiency, and remarkable energy savings. By minimizing machining time, these pipes enhance material efficiency and elevate the quality of end products.

The versatility of this product is vast, making it an ideal choice for a multitude of applications, including the manufacturing of automotive and motorcycle components, as well as hydraulic engineering machinery. Its capacity to meet diverse and demanding specifications makes it a staple in these 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