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Seamless Rolled Steel Pipe , 4340 Alloy Steel Tube Outer Diameter 10-150 Mm

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SHANGHAI UNITE STEEL

Seamless Rolled Steel Pipe , 4340 Alloy Steel Tube Outer Diameter 10-150 Mm

Country/Region	china
City & Province	shanghai shanghai
Categories	Metal Casting Machinery

Product Details

DIN 2391 Seamless Cold Rolled Steel Tube Alloy steel for Mechanical Parts 4340

Introduction

Cold drawn seamless has closer dimensional tolerances, better surface finish and higher mechanical properties than corresponding grades of hot finished seamless.

Product	4340 cold rolled steel tube
Process	Cold rolled
Shape	Round
Thickness	2-25mm
O.D	10-150mm
Length	Random Length, Fixed Length, etc.
Standard	DIN 2391 Seamless Precison Steel Tubes BS6323 Specification for Seamless and Welded Steel Tubes for Automobile, Mechanical and General Engineering Purposes ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
Material	4340
Package	Standard Sea-worthy package , fixed by belt then loaded into fumigated wooden box.
Type	Seamless steel pipe.
Application	Automotive car exhaust.
	Automotive car fuel pump shell.
	Automobile Chassis.
	General pipes connecting projects etc.
	The occasion where the high accuracy, brightness, cleanness of the tube are required.
Container Size	20Gp - 2.352(width) 2.385 ( Height ) 5.90 ( Inside length ) Meter
	40Gp - 2.352(width) 2.385 ( Height ) 11.8 ( Inside length ) Meter
	40HQ - 2.352(width) 2.69 ( Width ) 5.90 ( Inside length ) Meter
Export Region	America , Canada ,Japan , England , Saudi Arab , India , Singapore , Korea , Australia , Brazil , Argentina , Mexico , Russia , Turkey , Greece , France , Germany , Spain
Payment terms	T/T , L/C.
Delivery time	5 days in stock , if not 15-35 days
Port of shipment	Shanghai port.
MOQ	3 Ton
Trade Terms	FOB , CFR , CIF

Dimension Tolerance

I.D tolerance (mm)	O.D tolerance (mm)	I.D Roughness (µm)	Straightness (mm/meter)
H7-H9	-/+0.5%	0.10-0.80	0.2-0.80

Chemical composition(%)

Grade	C	Si	Mn	P	S	Cr	Mo	Ni
4340	0.38-0.43	0.15-0.35	0.60-0.80	0.040max	0.040max	0.70-0.90	0.20-0.30	1.65-2.00

End Shape

Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer's requirements

Main Features

No Oxidation Layer on the outer and inner walls;
No Leakage under high pressure;
No Crake under flating and flattening;
No distortion after cold bending;
High precision high cleanness;
Excellent brightness

What we can offer?

-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.

-Machining and heat treatment are available.

-Also, we advise you in choosing the right materials.

Quality Assurance

Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET

Package

In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request

Payment & Delivery

1. Both T/T and L/C will be acceptable

2. Trade Terms: FOB, CIF, CFR

3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples

Company Information

Shanghai Unite Steel Trading Co., Ltd

We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.

What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!

FAQ

Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.

Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.

Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.

Q: What is the payment term?
A: T/T or L/C.

Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.