Precision Carbon Steel Pipe and Precision Tube High Quality 1.5mm 2.5mm 3.5mm Thick 20# 45# Carbon Seamless

• After-sales Service: 1
• Warranty: 1
• Type: Seamless
• Technique: Cold Rolled
• Material: Carbon Steel
• Surface Treatment: Polished
• Model NO.: OD: 15-260mm
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Section Shape.: Oval
• Standard: GB/T3639-2018
• Diameter: 15mm-260mm
• Application: Manufacture of Precision Mechanical Parts
• Raw Material: 10# 20# 35# 45# 20cr 40cr 20crmn 304 201 310S
• Wall Thickness: 1.0mm-30mm
• Outer Diameter: 10mm-250mm
• Transport Package: Standard Airworthy Packaging
• Specification: 10mm-260mm diameter
• Trademark: Youcheng
• Origin: Tianjin
• Production Capacity: 500000

Product Description

 

Product Description

Product Name	Precision  Steel Pipe
Technique	Hot Rolled/Cold Rolled/Cold Drawn
Material	10#,20#,35#,45#,Q345B 20cr,40Cr,20CrMo 6mn 27simn 304 201 310S etc.
Standard	ASTM A106 ASTM A53 ASTM A179 ASTM A210 ASTM A213 GB/T3639 DIN 2448 DIN1629 DIN1626 DIN2391 DIN2444 EN10025etc.
Outside Diameter	10mm-1020mm or as your request
Thickness	2mm-80mm or as your request
Length	Single random length/double random length 5m-14m 2-12m
Application	Oil pipe line, Drill pipe, Hydraulic pipe, Gas pipe, Fluid pipe,Boiler pipe,Conduit pipe, Scaffolding pipe pharmaceutical and ship building etc.

Chemical composition(%) of precision pipe's commin grade

Standard	Grade	C	Si	Mn	s	p	Cr
GB/T 699 GB/T 3639 GB3077 GB/T1591 GB/T 8163-2018	10#	0.07~0.13	0.17~0.37	0.35~0.65	≤0.035	≤0.035	\
	20#	0.17~0.23	0.17~0.37	0.35~0.65	≤0.035	≤0.035	\
	35#	0.32~0.39	0.17~0.37	0.35~0.65	≤0.035	≤0.035	\
	45#	0.42~0.50	0.17~0.37	0.50~0.80	≤0.035	≤0.035	\
	40Cr	0.37~0.44	0.17~0.37	0.50~0.80	≤0.035	≤0.035	0.08~1.10
	25Mn	0.22~0.29	0.17~0.37	0.70~1.00	≤0.035	≤0.035	≤0.25
	Q345B	≤0.20	≤o.50	≤1.7	≤0.035	≤0.035	≤0.3
	37Mn5	0.30~0.39	0.15~0.30	1.20~1.50	≤0.015	≤0.020	\

Conventional mechanical properties of precision pipe

Standard	Grade	Delivery Conditions
		BK(hard)		BKW(soft)
		Tensil Stength(MPa)	Make percentage elongation(%)	Tensile stength(MPa)	Make percentage elongation(%)
GB/T 3639 GB 3077	20#	≥550	≥10	≥490	≥15
	25Mn	≥600	≥12	≥540	≥15
	Q345B	≥620	≥12	≥550	≥15
	45#	≥645	≥8	≥625	≥15
	40Cr	≥784	≥14	\	\
	37Mn5	≥784	≥14	\	\

Dimensional tolerances of inner diameter
 

Standard	Inner Diameter(mm)	Inner Diameter Deviation(mm)
GB1801-79		H7	H8	H9	H10
	30	0~+21	0~+33	0~+52	0~+84
	30-50	0~+25	0~+39	0~+62	0~+100
	50-80	0~+30	0~+46	0~+74	0~+120
	80-120	0~+35	0~+54	0~+87	0~+140
	120-180	0~+40	0~+63	0~+100	0~+160
	180-250	0~+46	0~+72	0~+115	0~+185
	250-315	0~+52	0~+81	0~+170	0~+210
	315-400	0~+57	0~+89	0~+140	0~+230

 

Detailed Photos

 

 

 

 

 

Packaging & Shipping

    1. wood pallet packing cover with water-proof paper
    2. steel pallet packing cover with water-proof paper
    3. wood box packing
    4. steel pallet packing cover with steel box
    5. in bundles with steel strip no extra packing
    6. packaged as customers' requirments.

FAQ

1. Q: Are you a manufacturer?
A:Yes, we are manufacturers. We have our own factory and our own company. I believe we will be the
most suitable supplier for you.
2. Q: Can we visit your factory?
A: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.
3. Q: Do you have quality control system?
A: Yes, we have ISO, BV, MTC, certifications and our own quality control laboratory.Third party testing services are also
available
4. Q: Can you arrange the shipment for us?
A: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with
earlist vessel and professional service.
5. Q: How long is your delivery time?
A: Generally it is 7days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for
delivery.
6. Q: Can I get some samples?
A: We are glad to provide free samples to you, but we do not offer the freight.
7. Q: What is your after-sale service?
A: We provide after-sale service and offer 100% guarantee on our products.
8. Q: What is your MOQ?
A: 1Ton