国内阀门材料常用技术标准 板材的力学性能
牌号 | 状态 | 拉伸试验 | 硬度试验 | |||
厚度/ mm |
抗拉强度σb/ MPa |
伸长率δ10/% | 厚度/mm |
维氏硬度 HV |
||
T2、T3 TP1、TP2 TU1、YU2 |
R | 4~14 | ≥195 | ≥30 | — | — |
M Y4 Y2 Y |
0.3~10 |
≥205 215~275 245~345 ≥295 |
≥30 ≥25 ≥8 — |
≥0.3 |
— 55~100 75~120 ≥80 |
|
H96 |
M Y |
0.3~10 |
≥215 ≥320 |
≥30 ≥3 |
— | — |
H90 |
M Y2 Y |
0.3~10 |
≥245 330~440 ≥390 |
≥35 ≥5 ≥3 |
— | — |
H80 |
M Y |
0.3~10 |
≥265 ≥390 |
≥50 ≥3 |
— | — |
H68 | R | 4~14 | ≥290 | ≥40 | — | — |
H70 H68 H65 |
M Y4 Y2 Y Y |
0.3~10 |
≥290 325~410 340~460 390~530 ≥490 |
≥40 ≥35 ≥25 ≥10 ≥3 |
≥0.3 |
— 75~215 85~145 105~175 ≥145 |
H62 | R | 4~14 | ≥290 | ≥30 | — | — |
M Y2 Y T |
0.3~10 |
≥290 350~470 410~630 ≥585 |
≥35 ≥20 ≥10 ≥2.5 |
≥0.3 |
— 85~145 105~175 ≥145 |
|
H59 | R | 4~14 | ≥290 | ≥25 | — | — |
M Y |
0.3~10 |
≥290 ≥410 |
≥10 ≥5 |
≥0.3 |
— ≥0.3 |
|
HPb59-1 | R | 4~14 | ≥370 | ≥18 | — | — |
M Y2 Y |
0.3~10 |
≥340 390~490 ≥440 |
≥25 ≥12 ≥5 |
— | — |
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