300M
300M,
300M Datasheet
300M High performance special-steels-high resistance industry: MIL S 8844D Chemical composition
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 High performance special-steels-high resistance industry: MIL S 8844D specification
- MIL S 8844D - MILITARY SPECIFICATION: STEEL BAR, REFORGING STOCK, AND MECHANICAL TUBING, LOW ALLOY, PREMIUM QUALITY
300M High performance special-steels-high resistance industry - mechanical properties
Heat treatment | Min | Max | Similar | Note |
---|---|---|---|---|
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 |
Heat treatment | Min | Max | Similar | Note |
---|---|---|---|---|
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 |
Heat treatment | Min | Max | Similar | Note |
---|
Heat treatment | Min | Max | Similar | Note |
---|---|---|---|---|
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 |
Heat treatment | Min | Max | Similar | Note |
---|---|---|---|---|
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 |
Heat treatment | Type | Min | Max | Similar | Note |
---|---|---|---|---|---|
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 High performance special-steels-high resistance industry delivers
- Bars, hot-rolled bars, hot-rolled round bars, cold-drawn round bars, hexagonal bars, octagonal bars, hot-rolled flat bars, cold-drawn flat bars, special-shaped steel
- Hot cold rolled strip and coils
- Hot Cold Rolled Plate Sheet
- Hot rolled and Cold drawn Shaped
- Hot rolled and cold drawn wire
- Forgings and forged bars