Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM A729/A729M-05a
Năm ban hành 2005
Publication date
Tình trạng
W - Hết hiệu lực
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Tên tiếng Anh
Title in English Standard Specification for Alloy Steel Axles, Heat-Treated, for Mass Transit and Electric Railway Service
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Chỉ số phân loại Quốc tế (ICS)
By field
45.040 - Vật liệu và kết cấu cho kỹ thuật đường sắt
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Số trang
Page 6
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 This specification covers quenched and tempered alloy steel axles for mass transit and commuter cars in electric railway service. 1.2 This specification is for solid design roller bearing axles with machined bodies. 1.3 Various axle designs are used for this service including motor and nonmotor with either inboard or outboard journals. 1.4 Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order. 1.5 The values stated in inch-pound units are to be regarded as the standard.
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