本SAE标准规定了各种发动机上用作高压燃油喷射管（a类）和燃油喷射泵试验（B类，参考SAE J1418）的单壁钢管的尺寸和要求。管子应为冷拔、退火或正火无缝管，适用于冷锻、冷镦和冷弯。

This SAE Standard specifies dimensions and requirements for single-wall steel tubing intended for use as high-pressure fuel injection pipes on a wide range of engines (Class A), and for fuel injection pump testing (Class B, Reference SAE J1418). Tubing shall be cold drawn, annealed or normalized, seamless tubing suitable for cold swaging, cold upsetting, and cold bending.