热镀锌无缝钢管
详细说明
一般用途钢管
PIPE FOR NORMAL PURPOSES
标准 Standard:
ASTM A53
用途Application:
适用于作受力及承压件，也可以用于一般的蒸汽、水、气体及空气管线。
It is applied as pressed and forced parts and as pipeline for steam, water, gas and atmosphere delivery.
主要生产钢管牌号Main Steel Tube Grades:
A53 Gr.A, Gr.B等
标准Standard | 牌号Grade | 化学成份Chemical components | 力学性能Mechanical property | |||||||||||
C | Si | Mn | P | S | Cu | Ni | Mo | Cr | V | 抗拉强度Tensile Strength (Mpa) | 屈服强度 | 伸长率Elongation (%) | ||
ASTM A53 | A | ≤0.25 | / | ≤0.95 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥ 330 | ≥ 205 | ≥ 29.5 |
B | ≤0.30 | / | ≤1.2 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥ 415 | ≥ 240 | ≥ 29.5 | |
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