航空用不锈钢及耐热钢棒规范 (GJ B 2294-1995)
钢棒按组织特征分为奥氏体型、奥氏体-铁索体型、铁索体型、珠光体型、马氏体型和沉淀硬化型等六类。
钢棒按交货状态分为:
a、锻制、轧制和冷拉钢棒;
根据需方要求,切削加工用奥氏体型、奥氏体-铁素体型、沉淀硬化型钢棒可进行固溶处理。
钢棒按使用加工方法分为:
a、压力加工(热压力加工和冷压力加工)用钢棒;
b、切削加工用钢棒。
钢棒按表面状态分为:
a、锻制或轧制表面;
b、冷拉表面;
d、剥皮表面;
e、车光或银亮表面。
1、牌号和化学成分
牌号和化学成分(熔炼分析)见表1。
表1
类型 | 牌号 | C | Si | Mn | P | S | Cr | Ni | W | Mo | V | 其他 |
奥氏体型 | 0Cr18Ni9 | ≤0.07 | ≤0.80 | ≤2.00 | ≤0.035 | ≤0.025 | 17.00~19.00 | 8.00~11.00 | | | | |
1Cr18Ni9 | ≤0.12 | ≤0.80 | ≤2.00 | ≤0.035 | ≤0.025 | 17.00~19.00 | 8.00~10.00 | | | | | |
2Cr18Ni9 | 0.13~0.21 | ≤0.80 | ≤2.00 | ≤0.035 | ≤0.025 | 17.00~19.00 | 8.00~10.50 | | | | | |
1Cr18Ni9Ti | ≤0.12 | ≤0.80 | ≤2.00 | ≤0.035 | ≤0.025 | 17.00~19.00 | 8.00~11.00 | | | | Ti:5(C-0.02)~0.80 | |
0Cr18Ni10Ti | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.025 | 17.00~19.00 | 9.00~12.00 | | | | Ti≥5XC | |
00Cr19Ni10 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.025 | 18.00~20.00 | 8.00~12.00 | | | | | |
0Cr18Ni11Nb | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.025 | 17.00~19.00 | 9.00~13.00 | | | | Nb≥10XC | |
1Cr23Ni18 | ≤0.18 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.025 | 22.0~25.00 | 17.00~20.00 | | | | | |
2Cr18Ni8W2 | 0.21~0.28 | 0.30~0.80 | ≤0.70 | ≤0.030 | ≤0.025 | 17.00~19.00 | 7.50~8.50 | 2.00~2.50 | | | | |
2Cr13Mn9Ni4 | 0.15~0.30 | ≤0.80 | 8.00~10.00 | ≤0.060 | ≤0.025 | 12.00~14.00 | 3.70~5.00 | | | | | |
4Cr14Ni14W2Mo | 0.40~0.50 | ≤0.80 | ≤0.70 | ≤0.030 | ≤0.025 | 13.00~15.00 | 13.00~15.00 | 2.00~2.75 | 0.25~0.40 | | | |
1Cr18Mn8Ni5N | ≤0.10 | ≤1.00 | 7.50~10.00 | ≤0.060 | ≤0.025 | 17.00~19.00 | 4.00~6.00 | | | | N:0.15~0.25 | |
奥氏体-铁素体型 | 1Cr21Ni5Ti | 0.09~0.14 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.025 | 20.00~22.00 | 4.80~5.80 | | | | Ti:0.25~0.50 |
1Cr18Ni11Si4AlTi | 0.10~0.18 | 3.40~4.00 | ≤0.80 | ≤0.035 | ≤0.025 | 17.50~19.50 | 10.00~12.00 | | | | Al:0.10~0.30 Ti:0.40~0.70 | |
铁素体型 | 1Cr17 | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.035 | ≤0.025 | 16.00~18.00 | | | | | |
珠光体型 | 2Cr3WMoV | 0.16~0.24 | ≤0.40 | 0.25~6.00 | ≤0.035 | ≤0.025 | 2.40~3.30 | | 0.30~0.50 | 0.35~0.55 | 0.60~0.85 | |
马氏体型 | 0.08~0.15 | ≤0.80 | ≤0.80 | ≤0.030 | ≤0.025 | 12.00~14.00 | | | | | | |
2Cr13 | 0.16~0.25 | ≤0.80 | ≤0.80 | ≤0.030 | ≤0.025 | 12.00~14.00 | | | | | | |
3Cr13 | 0.26~0.35 | ≤0.80 | ≤0.80 | ≤0.030 | ≤0.025 | 12.00~14.00 | | | | | | |
4Cr13 | 0.36~0.45 | ≤0.80 | ≤0.80 | ≤0.030 | ≤0.025 | 12.00~14.00 | | | | | | |
9Cr13 | 0.90~1.00 | ≤0.80 | ≤0.70 | ≤0.030 | ≤0.025 | 17.00~19.00 | | | | | | |
1Cr12MoV | 1.45~1.70 | ≤0.40 | ≤0.35 | ≤0.030 | ≤0.025 | 11.00~12.50 | | | 0.40~0.60 | | V:0.15~0.30 | |
Y2Cr13Ni2 | 0.20~0.30 | ≤0.50 | 0.80~1.20 | 0.08~0.15 | 0.15~0.25 | 12.00~14.00 | 1.50~2.00 | | | | | |
1Cr17Ni2 | 0.11~0.17 | ≤0.80 | ≤0.80 | ≤0.030 | ≤0.025 | 16.00~18.00 | 1.50~2.50 | | | | | |
4Cr10Si2Mo | 0.35~0.45 | 1.90~2.60 | ≤0.70 | ≤0.030 | ≤0.025 | 9.00~10.50 | | | 0.70~0.90 | | | |
1Cr11Ni2W2MoV | 0.10~0.16 | ≤0.60 | ≤0.60 | ≤0.030 | ≤0.025 | 10.50~12.00 | 1.40~1.80 | 1.50~2.00 | 0.35~0.50 | 0.18~0.30 | | |
1Cr12Ni2WMoVNb | 0.11~0.17 | ≤0.60 | ≤0.60 | ≤0.030 | ≤0.025 | 11.00~12.00 | 1.80~2.20 | 0.70~1.00 | 0.80~1.20 | 0.20~0.30 | Nb:0.15~0.30 | |
沉淀硬化型 | 0Cr17Ni4Cu4Nb | ≤0.07 | ≤1.00 | ≤1.00 | ≤0.035 | ≤0.025 | 15.00~17.50 | 3.00~5.00 | | | | Cu:3.00~5.00; Nb:0.15~0.45 |
0Cr17Ni7Al | ≤0.09 | ≤1.00 | ≤1.00 | ≤0.035 | ≤0.025 | 16.00~18.00 | 6.50~7.70 | | | | Al:0.75~1.50; Cu≤0.50 |
名称 | 最新价 | 涨跌 |
---|---|---|
高线 | 3920 | - |
热轧平板 | 4620 | - |
低合金中板 | 4090 | - |
镀锌管 | 5390 | - |
槽钢 | 4080 | - |
热镀锌卷 | 5140 | - |
热轧卷板 | 11300 | - |
冷轧无取向硅钢 | 5000 | - |
圆钢 | 3840 | - |
硅铁 | 6600 | 100 |
低合金方坯 | 3580 | - |
铁精粉 | 890 | - |
二级焦 | 2360 | - |
铝锭 | 20550 | -60 |
中废 | 2085 | 0 |
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