Auto Parts 3/16 1/4 5/16 3/8 1/2 1 Inch Zinc Coating Steel Double Wall Type 0.71 mm 0.028" Thickness M10X1 3/8-24 Pipe Nut End Brake Bundy Pipe Assembly Tube

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 24 Hours
• Material: Steel
• Position: Front
• Certification: ISO/TS16949, ISO13485, IATF-16949, ISO9001, DOT, FSC, HACCP
• Classification: Disc
• Drum Brakes Classification: Brake Drum
• Main Market: South America, North America, Eastern Europe, Mild East, Southeast Asia, Africa, Western Europe, Eastern Asia, Northern Europe, Oceania, Southern Europe, Central America, South Asia, Domestic Market
• Car Model: Any Car
• Thickness: 0.70mm
• Car Make: Any Type
• Description: 4.76mm*0.70mm 3/16 Steel Brake Tube
• Od: 4.76mm~12.7mm
• Size: 4.76*0.70
• OE No.: 4.76*0.70
• Detail Size: 3/16, 1/4, 3/8, 5/16, 1/2, 1-1/2
• Surface Treatment: Copper, White Zinc, Yellow Zinc, Pvf
• Standard: ASTM A254, SAE J527, DIN74 233, DIN74234, Tse5130
• Advantage: Fine Inside Cleaness, High Strength
• Technology: Cold Forging
• Detail Type: Double Wall Type Steel Bundy Tube
• Sample: Acceptable
• OEM: Acceptable
• Transport Package: Packed in Wooden Carton
• Specification: 3/16, 1/4, 3/8, 5/16, 1/2, 1-1/2
• Trademark: QDGY
• Origin: Shandong, China
• HS Code: 8708309990
• Production Capacity: 96000000000000/Month
• Package Size: 50.00cm * 50.00cm * 22.00cm
• Package Gross Weight: 36.000kg
• Lead Time: 40 days (1 - 1000 meters) ; 35 days (1001 - 5000 meters) ; 30 days (5001 - 100000 meters) ; To be negotiated ( > 100000 meters)

Product Description

Auto Parts 3/16 1/4 5/16 3/8 1/2 1 inch Zinc Coating Steel Double Wall Type 0.71 mm 0.028" thickness M10X1 3/8-24 Pipe Nut End Brake Bundy Pipe Assembly Tube

Product Description

Auto Parts 3/16 1/4 5/16 3/8 1/2 1 inch Zinc Coating Steel Double Wall Type 0.71 mm 0.028" thickness M10X1 3/8-24 Pipe Nut End Brake Bundy Pipe Assembly Tube

 

• Welded steel pipe / bundy tube / bundy pipe
• Diameter: 3/16', 6mm, 1/4', 5/16', 3/8 etc.
• Wall thickness: 0.7±0.05mm
• Surface treatment: White Zinc, Copper, Yellow Zinc, Olive Green, PVF etc.
• Type: Single wall and double wall
• Application: Single wall used for refrigeration; double wall used for automobile brake system

QDGY bundy tube coils are the copper-brazed, double-walled, steel alloy tubing, used in pre-made lines. It can provide a long-lasting repair or replacement for all vehicles and all types of fluid transfer systems including brake system.
Standard:
SAE J527
 ASTM A254
TSE 5130
DIN 74234

Productions Specifications:

Product Name	Double wall Flexible Automotive chassis Hot Dipped Galvanized welded zinc coated Carbon Steel Brake Hose Oil Line Bundy Pipe  Fuel Iron Tube
Standard	SAE J527,ASTM A254,TSE 5130,DIN 74234
Out Diameter	4.2/4.76/6.0/6.35/8/9.53/10mm/12mm/12.7mm(1/2")
Wall Thickness	0.5/0.7/1.0mm
Length	Cut to length, Any length as your requirements
Material	Low Carbon Steel/BHG2
Usage	For automobile and refrigeration industries
Packing	Coils or Bundles, then in pallets or wooden boxes
	Water-proof packing, using plastic film for inner package , and plastic woven bag for outside package
Surface Treatment	Galvanization: white zinc, Olive-drab zinc, Celadon zinc, colored zinc; PVF coated
Product Features	High Pressure resistance, High formability, High internal cleanliness/High vibration resistance

 

TYPE	Imperial A	O.D A	Wall thickness B	O.D A	Wall thickness B
Double wall	1/8	0.125''	0.028''	3.17mm	0.71mm
	3/16	0.187''	0.028''	4.76mm	0.71mm
	1/4	0.250''	0.028''	6.35mm	0.71mm
	5/16	0.312''	0.028''	7.79mm	0.71mm
	3/8	0.375''	0.028''	9.52mm	0.71mm
	1/2	0.500''	0.028''	12.7mm	0.71mm

 Basic information of double wall steel car fuel pipe

Product Name	Double Wall Welded Bundy Tube
Standard	WSS-M21P30-A2 - FOR D standard
Size	Ф4.76*0.7,  Ф6*0.7,  Ф6.35*0.7,  Ф9.52*0.7,   Ф10*0.7,  Ф10*1.0 ,   Ф12*0.7     Ф12*1.0
Surface Treatment	Galvanization: white zinc, Olive-drab zinc, Celadon zinc, colored zinc; PVF coated, PA12(Nylon) coated, ALGAL
Material	Low Carbon Steel/Bao Steel Bhg2, copper
Length	Cut to length, Any length as your requirements
Packing	Coils or Bundles ,then in pallets or wooden boxes
Delivery time	Within 30 days(Order quantity is between 2 Metric Tons and 5 Metric Tons)
	Other situation can be followed the negotiation by two parties
Main use	Widely used in braking & power steering tube system and fuel tube system etc
Factory	24 digital tube making lines, 7 surface treatment lines, 2500 Tons/Year, FOR D executive standard and 30 years of manufacture experience.
MOQ	Can negotiated by mutual agreement

Inspection Report of double wall steel car fuel pipe

No	Inspection items	unit	Standard
1	Zinc plated	µm	6 / 13 / 25
2	Coated thickness	µm	>=120
3	Tensile  strength	Mpa	>=290
4	Yield strength	Mpa	>=170
5	Elongation	%	>=14
6	Inner cleanliness	g/m2	<=0.2
7	Burst pressure	Mpa	55
8	Pressurs resistance	Mpa	19.6

Test of various double wall steel car fuel pipe
Bending test:
Bend the tube 360º over a mandrel of 3 times, the diameter no kinking, cracking or other defect.

Flaring test: Increase the OD 25% with the flaring reshed of the 1:10 spindle taper, no broken or crack

Flatten test: GB/T 241
The weld shall be placed at 90º from the direction of applied force, no crack or flaw when flattened between parallel plates to a distance equal to three times the wall thickness.

Pressure-resistant properties: 
Keep in 41.2MPa pressure for 5 minutes, no burst or leakage phenomenon.

Water resistance: 
Soaked in 40 ºC distilled water for 240h, no red rust and blistering.

Liquid resistance: 
Respectively soaked in brake fluid, power steering fluid, motor oil at 50 +/- 2 °C and soaked in 35% sulphuric acid, gasoline (unleaded), anti-freezer, windshield washer at 23 +/- 2 °C for 504 hours. No lifting and blistering
coating should be evident at knife cut under 10X magnification

1. No scribed samples:
Assessing after gravelometer test. Then do 2000h salt spray test, and then do burst pressure test. The burst value should be more than 80% of original value.
2. Scribed samples:
2000h salt spray test, then do burst pressure test. All the burst value should be more than 80% of original value.

Salt Spray test: over 2000-3000 hours without red rust

Product Parameters

Products and Techinical Parameters:
1.Copper Coated Steel Strip
Main Characteristics:
Cold-Rolled and Copper coated steel strips ,thickness of co[[er layer to below throwing powder ,solid plating adhesion ,suit for single wall and double wall steel tube .
Product specifications: the thickness of steel strip is 0.25mm -0,7mm ,1mm ,and which is 230-280mm ,the thyickness of copper later is 2.8-5um.

2.Series Production of Double Wall brazed Steel Tube
Double Wall Brazed Steel tube is coated copper on the both sides of the steel strips ,and brazed after coiled 720 ºC.
Main Characteristics:
1> Fine inside clearness,high strength ,and nice elongation ,
2> Good foundation ,and after0process ,anti-leakage;
3> Anti-high pressure explosion and excellenht anti0-corrosion prooerty after surface treatment.The tube can be provided in coils or cut-to-length with any length according to the requirements from customers.
4> The tubes is used for auto brake tube and power steering tube and so on .

3.Series products of Cold -Drawn precision single wall welded steel tube 
Main Charateristics:
The cold-drawn precisoon single wall welded stel tube is coiled 180ºC,after high -frequency welded .According to the different demands,tubes can be cold drawn to steel tube with the different diameter .The products with excellent mechanical prooerty for after-process.The tube is mainly used for auto fuel tube and transmission tube after surface treatment.

4.Kinds of tube surface treatment 
1> Zinc-plated tube 
Zn can be plated on this surface of single wall and double wall tubes. The thickness of Zn layer is 6um ,12um ,and 25um in order to improve corrosive resistance .

2.PVF Tube
Main Charateristic:
1> The product is made by trivalent chrome passivated processing and chrome-free PVF paint.
2> Coating is even strong ahension and nice corrosive resistance.
3> Salt spray test can be reached more than 1000hours without red rust.
4> The product is used for high class automotive.

3.PA12 Coating tubes.
Main Characteristics 
1> PA12 is are coated on the surface of Zn plated tubes.
2>The products are passivated by chrome-free and meets the requirement of the friendly environment.
3> The solid coating has highly corrosive resistance,good anti-impact froce and nice appearance.
4>Salt spray test can be reached more than 1000hours without red rust.
5> The products is used for high class automotive .



Steel pipe ending fitting:

Relate Products

*brake hose, brake hose assembly
*brake line, brake line kit
*rubber brake hose,fitting, assembly
*PTFE S.S braided brake hose
*PTFE S.S braided brake line
*PTFE S.S braidd brake line kits
*Air brake hose, air brake hose assembly
*bundy steel tube and assembly
*Female & male fitting, banjo fitting, bolts & nuts etc
*Related matel accessory & rubber accessory
*brake hose fittings, male fitting, female fitting, banjo fittings, banjo bolt
*hose connector and joints

 

Certifications

QINGDAO GUOSONG MACHINERY PARTS CO.,LTD ,QDGY Have ISO9001:2015 ,DOT SAE J FMVSS106 Certificate for brake hose ,brake pipe ,brake tube ,brake hose fittings .

 

Packaging & Shipping

QDGY packed brake tube in rolls into pallet.
QDGY packed brake tube in rolls into carton into pallet .
Safety Packaging to guarantee our customers get Good products.

Installation Instructions

Steel Pipe Tube Product Scope of Application - Power Steering System/Brake System/Clutch System/Fuel System

Company Profile

Company Introduction:
QDGY is the brand of QINGDAO GUOSONG MACHINERY PART CO.,LTD,  also QDGY is the Synonym for brake hose and brake pipe ,and also QDGY is the DOT symbol ,you can check our DOT with QDGY on the website of US Department of Transportation
QINGDAO GUOSONG MACHINERY PARTS CO.,LTD ,Set up the factory in 1998 years ,Production Specialized in SAE J1401 Standard OEM brake hose ,Custom Brake hose ,Hydraulic Brake Hose ,Stainless steel braided brake hose ,stainless steel braided PTFE Brake hose ,steel brake hose ,steel braided brake hose ,stainless steel braided brake line ,  Air brake hose ,Steel pipe ,bundy tube ,steel tube ,steel tube assembly ,brake hose fittings,Bolt and nut,brake hose assembly ,with our own testing Machine, strictly quality control system ,we can do the best brake hose ,if you require the high quality brake hose ,find QDGY , Only send to us your drawings or samples,or OEM Number ,then we will give the good production and good pack .

Our company has been expanded to the leading brake hose manufacturer in China. We have more than 300 staff members. Our building covers20,000 square meters. We have Marketing Department, a Hose Factory and a Fitting Factory. Our main products are QDGY brand rubber brake hoses (3.2mmx10.5mm) which are produced according to American standards SAEJ1401 and also passed the quality test of China National Auto Testing Center. Now our brake hosehave DOT Certificate . Our company has ISO9001:2015,quality management system certifications. To provide our customers with the best products at the most reasonable price, we are ready to do innovation. We have imported modern production lines from Japan and adopted American and Italian techniques and skills. Our senior scientific and technological experts, advanced R&D Lab and testing equipment make our products perfect. Our QDGY brake hoses, hose assembly and fittings are manufactured with a variety of superior materials to meet various requirements of Automobile and Motorcycle Industries, especially in aftermarket. They are used in ISU ZU, SU ZUKI, YAM AHA, KAWA SAKI, HON DA, MITSU BISHI, NISS AN, TOY OTA, AL TO, FLA T, FOR D, CHRY SLER, CHER OKEE, AU DI, PEU GEOT, BM W, V W, IVE CO, CHEVR OLET, CIT RO EN and VO LVO cars. 90% of our products are exported to Europe, the USA and Southeast Asia. We have won a high reputation among clients. Our mission is continuously improving the quality of our products and sales service to make QDGY brand become one of the most famous brands in the world. You're welcome to visit our homepage to learn about our company and our products. For any further information, our staff members will reply you immediately. You are welcome to contact us now and get more benefits.