AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness vs D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties
摘要
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness is a stainless steel alloy while D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties is a steel alloy. Despite their different base metals, they are frequently compared in material selection. D2 Tool Steel is generally more cost-effective (cost rating 9/10 vs 6/10). AISI SS 440 provides significantly better corrosion resistance.
Key Differences
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Tensile Strength'}
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Yield Strength'}
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Hardness (Brinell)'}
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Density'}
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Melting Point'}
- ◆ {'alloy_a': '5/10', 'alloy_b': '5/10', 'property': 'Strength Rating'}
- ◆ {'alloy_a': '7/10', 'alloy_b': '3/10', 'property': 'Corrosion Rating'}
- ◆ {'alloy_a': '6/10', 'alloy_b': '9/10', 'property': 'Cost Rating'}
- ◆ {'alloy_a': '4/10', 'alloy_b': '6/10', 'property': 'Machinability Rating'}
- ◆ {'alloy_a': '7/10', 'alloy_b': '7/10', 'property': 'Temperature Rating'}
- ◆ {'alloy_a': '5/10', 'alloy_b': '5/10', 'property': 'Weight Rating'}
评级对比
强度
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
5/10
D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties
5/10
耐腐蚀性
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
7/10
D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties
3/10
轻量化
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
5/10
D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties
5/10
可加工性
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
4/10
D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties
6/10
成本效率
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
6/10
D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties
9/10
耐热性
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
7/10
D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties
7/10
性能对比
| Property | AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness | D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties |
|---|---|---|
| 基体金属 | Stainless Steel | Steel |
| 抗拉强度 | — | — |
| 屈服强度 | — | — |
| 伸长率 | — | — |
| 硬度（布氏） | — | — |
| 弹性模量 | — | — |
| 密度 | — | — |
| 熔点 | — | — |
| 热导率 | — | — |
| 可焊接 | — | — |
| 可热处理 | — | — |
| 磁性 | — | — |
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness 的使用场合
Choose AISI SS 440 when you need better corrosion resistance.
D2 Tool Steel Hardness, D2 Metal Heat Treatment & Properties 的使用场合
Choose D2 Tool Steel when you need better machinability and lower cost.
Frequently Asked Questions
Which is stronger, 440 or D2?
Both 440 and D2 have the same strength rating of 5/10. The best choice depends on your specific loading conditions and other requirements.
Does 440 or D2 have better corrosion resistance?
440 offers better corrosion resistance. 440 rates 7/10 and D2 rates 3/10 on the corrosion resistance scale.
Is 440 or D2 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 440 scores 4/10 and D2 scores 6/10. D2 is easier to machine overall.
Which is more cost-effective, 440 or D2?
D2 is generally more cost-effective. 440 has a cost rating of 6/10 and D2 has 9/10 (higher means more affordable). Note that 440 (Stainless Steel) and D2 (Steel) have different base metals, so raw material costs and availability may vary significantly by region.
Can I use 440 instead of D2 for structural applications?
440 has a strength rating of 5/10 versus 5/10 for D2. Always validate substitution against your specific design codes and operating conditions.