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300M高(超高)强度钢

300M

300M,

300M数据表下载

300M 高(超高)强度钢: MIL S 8844D 化学成分

C Si Mn P S Cr Ni Mo V Cu
0.40-0.45
1.45-1.80
0.65-0.90
≤0.010
≤0.010
0.70-0.95
1.65-2.00
0.35-0.50
0.05-0.10
≤0.35

300M 高(超高)强度钢: MIL S 8844D 标准规范

  • MIL S 8844D - MILITARY SPECIFICATION: STEEL BAR, REFORGING STOCK, AND MECHANICAL TUBING, LOW ALLOY, PREMIUM QUALITY

  • 300M 高(超高)强度钢机械性能

    热处理 最小值 最大值 近似值 备注
    mechanical tubing a - 面积 > 930 cm^2 Heat treated
    1586
    mechanical tubing a - 面积 ≤ 645 cm^2 Heat treated
    1586
    mechanical tubing 645 < a - 面积 ≤ 930 cm^2 Heat treated
    1586
    mechanical tubing Heat treated
    1586
    热处理 最小值 最大值 近似值 备注
    mechanical tubing a - 面积 > 930 cm^2 Heat treated
    1931
    mechanical tubing a - 面积 ≤ 645 cm^2 Heat treated
    1931
    mechanical tubing 645 < a - 面积 ≤ 930 cm^2 Heat treated
    1931
    mechanical tubing Heat treated
    1931
    热处理 最小值 最大值 近似值 备注
    热处理 最小值 最大值 近似值 备注
    mechanical tubing a - 面积 > 930 cm^2 Heat treated
    4
    mechanical tubing a - 面积 ≤ 645 cm^2 Heat treated
    6
    mechanical tubing 645 < a - 面积 ≤ 930 cm^2 Heat treated
    5
    mechanical tubing Heat treated
    7
    热处理 最小值 最大值 近似值 备注
    mechanical tubing a - 面积 > 930 cm^2 Heat treated
    15
    mechanical tubing a - 面积 ≤ 645 cm^2 Heat treated
    25
    mechanical tubing 645 < a - 面积 ≤ 930 cm^2 Heat treated
    20
    mechanical tubing Heat treated
    25
    热处理 Type 最小值 最大值 近似值 备注
    钢管, 退火
    HR
    99
    Hardened 1038℃
    棒材, 锻坯, 退火
    HR
    27

    300M MILITARY SPECIFICATION: STEEL BAR, REFORGING STOCK, AND MECHANICAL TUBING, LOW ALLOY, PREMIUM QUALITY


    300M 高(超高)强度钢产品形态