Blogs

SAE J1677 Tests and Procedures for Carbon Steel and Low Alloy Steel Tubing

1. SCOPE This SAE Standard is intended to establish uniform methods for testing certain types of carbon steel and alloy steel tubing listed in 2.1.1. The specified test and performance criteria applicable to each variety of tubing are set forth in the respective SAE J Specifications. 2. REFERENCES 2.1 Applicable Publications The following publications form […]

ASTM A254 Standard Specification for Copper-Brazed Steel Tubing

This standard is issued under the fixed designation A 254; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or re-approval. […]

PVC Coated LPG CNG Tubes

Low pressure gas/compressed natural gas tubes are made from single wall welded steel tubes, zinc plated and then coated with PVC to further isolate the atmospheric moisture. Tube: Single Wall ERW Steel Tube Size: OD 6 mm/8 mm, Wall 1 mm Surface Finish: Zinc plated + PVC Coating Protection Certification: ISO9001 & TS16949 20-30Mpa Pressure […]

Copper Coated Bundy Tube

Available for single wall ERW, and double wall brazed steel tubes. Copper coated both sides for double wall Bundy tube, while only outside or both sides optional for single wall ERW Bundy tubes.

Yellow Zinc Plated Double Wall Bundy Tube

OD: 3.18 mm – 15 mm Wall: 0.5mm – 1 mm Manufacture standard: China YB/T 4164 US ASTM A254, SAE J527 Japan JASO M101 Russia GOST 11249 India IS 8119 Read More…

Application of Bundy Tubes in Car Steering System

The steering system of passenger cars includes steering booster, power steering pump, oil sump, and connecting tubes. Before the adoption of Bundy tubes, cold drawn steel tubes of Φ12×1 are used to connect the components. The allowable pressure of the fluid is 10MPa. The higher volume of the inside surface residue must be eliminated by […]

Sample – Certificate of Origin for Bundy Tubes

This is an sample of CO (Certificate of Origin) issued for a client who purchased Bundy tubes from us. In some countries and regions, CO is a helpful document for importers to minimize the tariff under certain trade agreements between the importing and exporting countries. The client’s information has been removed, considering that no inquiry […]

Zinc Plated Bundy Tubes for Brake Lines Delivered

A trial order of 500 Coils of zinc plated Bundy tubes (brake lines) packed in coils were delivered on 26th November. Tube OD 3/16″, wall 0.028″, rolled to a coil from 25 ft length, packed on pallet and shipped via ocean liner. Click here to learn more about our brake line and related products.

What Is GALFAN?

GALFAN is a zinc-aluminum alloy, Zn-5Al-MM, UNS Z38510 in ASTM designation. It consists of 5% aluminum and 95% zinc alloy. The following table lists the chemical requirements of this alloy, according to ASTM B750. Element Composition, % Aluminum 4.2-6.2 Cerium+Lanthanum, total 0.03-0.10 Iron, max 0.075 Silicon, max 0.015 Lead, max 0.005 Cadmium, max 0.005 Tin, […]