M4簡介
USA ASTM Tool Steel And Hard Alloy M4,及該型號(hào)鋼材的基本信息、化學(xué)元素成分、機(jī)械性能、力學(xué)性能、熱處理溫度、同等型號(hào)參照表等。
基本信息:
分類 |
種類 |
型號(hào) |
標(biāo)準(zhǔn) |
國家 |
應(yīng)用 |
Steel Grades |
|
M4 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
化學(xué)成分信息(mass fraction)(wt.%) of the M4:
元素名稱 |
含量比例值 |
C |
1.25~1.40 |
Si |
0.20~0.45 |
Mn |
0.15~0.40 |
P |
≤0.030 |
S |
≤0.030 |
Cr |
3.75~4.75 |
Mo |
4.25~5.50 |
機(jī)械性能信息:
屈服強(qiáng)度Rp0.2(MPa) |
抗拉強(qiáng)度Rm(MPa) |
沖擊率 |
伸長率 |
斷面收縮率 |
熱處理狀態(tài) |
布氏硬度(HBW) |
653 (≥) |
318 (≥) |
22 |
41 |
23 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
213 |
物理性質(zhì)信息:
溫度 |
彈性模量 |
系數(shù) |
熱導(dǎo)率 |
比熱容量 |
比電阻率 |
密度 |
加權(quán)系數(shù) |
44 |
- |
- |
|
|
0.22 |
- |
|
666 |
211 |
- |
23.3 |
323 |
|
- |
|
655 |
- |
34 |
22.2 |
|
|
443 |
231 |
熱處理信息:
熱處理溫度區(qū)間 |
Heat treated : 1524°C - 1527°C |
對照表(同等等級(jí))信息:
型號(hào) |
標(biāo)準(zhǔn) |
國家 |
應(yīng)用 |
SM45 |
|
China |
Plastic mould with flat steel |
SM50 |
|
China |
Plastic mould with flat steel |
SM4Cr5MoSiV |
|
China |
Plastic mould with flat steel |
SM4Cr5MoSiV1 |
|
China |
Plastic mould with flat steel |
SM4Cr13 |
|
China |
Plastic mould with flat steel |
SM45A |
|
China |
Plastic mould with Hot-rolled steel plate |
SM48 |
|
China |
Plastic mould with Hot-rolled steel plate |
M4 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
M41 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
M42 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
M43 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
M44 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
M46 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
M47 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
M48 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
CPM Rex M4 |
AISI |
USA |
Powder metallurgy high-speed tool steel |
CPM Rex M4HS |
AISI |
USA |
Powder metallurgy high-speed tool steel |
CPM Rex M42 |
AISI |
USA |
Powder metallurgy high-speed tool steel |
M40 |
JIS |
Japan |
Carbide for cutting tools |
BM4 |
|
UK |
Carbide for cutting tools |