Blogs

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, […]

SAE J527 Brazed Double Wall Low-Carbon Steel Tubing

1. Scope—This SAE Standard covers brazed double wall low-carbon steel tubing intended for general automotive, refrigeration, hydraulic, and other similar applications requiring tubing of a suitable quality for bending, flaring, beading, forming, and brazing. 2. References 2.1 Applicable Publications—The following publications form a part of this specification to the extent specified herein. Unless otherwise specified, the […]

JASO M101 Metal Pipes for Automobile Tubing

Click here to learn more about our brake line and related products. 1. Scope This standard specifies the metal pipes for tubing mainly used for brakes, fuel and lubrication of automobiles (hereinafter referred to as the “pipes”). Remarks: The applicable standards for this standards are shown below. JIS G3141 Cold rolled carbon steel sheets and […]

A Discussion About Application of Double Wall Brazed Steel Tubing in Air Conditioning

1. Future of Air Conditioning After decades of opening policy and striving of Chinese AC (air condition) manufacturers, China has been recognized as the center of AC industry. The total yield of air conditioners of China in 2011 reached 139 million sets according to reports, about 80% of the global production. Meanwhile, the demand increase […]

How Are Brake Lines Made – Steel Tubing

Brake line is used for automobiles to transfer hydraulic pressure to the brake pads from cylinders. Usually brake system is designed to maintain a low or medium pressure, and the typical steel brake line tube called Bundy tube is used widely in the world. Bundy tube is named by the name of whoever invented a […]

SAE J526 Welded Low-Carbon Steel Tubing

1. Scope SAE J526 Standard covers welded single-wall low-carbon steel tubing intended for general automotive, refrigeration, hydraulic, and other similar applications requiring tubing of a quality suitable for bending, flaring, beading, forming, and brazing. 2. References 2.1 Applicable Publication—The following publication forms a part of this specification to the extent specified herein. Unless otherwise indicated, the latest […]

GM123M GM124M Standard – Automotive Steel Tubing For Fluid Handling

Click here to learn more about our brake line and related products. 1 Scope These specifications cover two types of steel tubing suitable for automotive uses. There are requirements for the base metal, the optional coating materials, and the coated tubing. These requirements are applicable to the product coming out of the tube mills and […]