1. 牌号 Grade EN34/665M17 | ASTM 4615/4617 GB DIN W-Nr. AISI JIS BS EN 665M17 EN3 2. 执行标准 Standard GB/T3077-2015 BS 970 Part 1 1983 3. 尺寸、外形、允许偏差 Size , shape ,tolerance 状态 condition 公差 tolerance 磨皮 grinding surface -0/

This page cover the Mechanical Properties, Chemical Element, Cross Reference of UK B.S. 665M17 steel grade, Application Black 2% low carbon nickel molybdenum case hardening steel, Related specifications BS970: 1991,

665M17: 对应标准: BS 970-3-1991 机械及相关工程用锻钢 第3部分：一般工程用光亮钢棒 Specification for wrought steel for machanical and allied engineering purposes part 3:bright bars for general engineering purposes: 归类: 合金钢

665M17 grade steel is a medium alloy nickel-molybdenum case-hardening steel which may be carburised and hardened to produce a hard wear resistant case developing a core strength of 770N/mm. It has good impact properties, very good resistance to …

665m17属于英国标准合金结构钢，执行标准：bs 970-3-1991 HRC59-60是硬度的表述形式，表示665M17硬度要达到“HRC59-60” 665M17化学成分如下图：

665M17 steel suppliers, delivering throughout the UK. This is a 2% nickel, molybdenum case hardening steel grade. 665M17 is suitable for applications requiring wear resistance and shock resistance. It offers good core strength and impact properties with little temper brittleness.

EN34 is a 2% nickel, molybdenum case hardening steel grade. Combining good core strength, toughness and fatigue resistance this grade can be case hardened up to 60HRc. EN34 is suitable for applications requiring wear resistance and shock resistance. It offers good core strength and impact properties with little temper brittleness. DIN (W-Nr.)

2021年1月29日 · 665m17属于英国标准合金结构钢，执行标准：bs 970-3-1991 HRC59-60是硬度的表述形式，表示665M17硬度要达到“HRC59-60” 665M17化学成分如下图：

2012年11月22日 · 665m17属于英国标准合金结构钢，执行标准：bs 970-3-1991. 665m17化学成分如下图：

• 此牌号已被665m17代替，见bs970-1-1983附录d • 材料标准已被代替：BS970-1:1972, BS970-4:1970, BS970-5:1972, BS 970-6 碳当量计算