309S耐热钢选型指南
309S（耐热钢，62个规格）常见加工形态、硬度与抗拉强度如下，供材料选型与采购参考。
牌号规格明细
| 规格 | 硬度 | 抗拉强度 |
|---|---|---|
| 309S-热轧圆钢-100mm | 224HB | 1070MPa |
| 309S-热轧圆钢-10mm | 200HB | 597MPa |
| 309S-热轧圆钢-11mm | 200HB | 597MPa |
| 309S-热轧圆钢-12mm | 200HB | 597MPa |
| 309S-热轧圆钢-13mm | 200HB | 597MPa |
| 309S-热轧圆钢-14mm | 200HB | 597MPa |
| 309S-热轧圆钢-15mm | 200HB | 597MPa |
| 309S-热轧圆钢-16mm | 200HB | 597MPa |
| 309S-热轧圆钢-17mm | 200HB | 597MPa |
| 309S-热轧圆钢-18mm | 200HB | 597MPa |
| 309S-热轧圆钢-19mm | 200HB | 597MPa |
| 309S-热轧圆钢-20mm | 200HB | 597MPa |
| 309S-热轧圆钢-21mm | 200HB | 597MPa |
| 309S-热轧圆钢-22mm | 200HB | 597MPa |
| 309S-热轧圆钢-23mm | 200HB | 597MPa |
| 309S-热轧圆钢-24mm | 200HB | 597MPa |
| 309S-热轧圆钢-25mm | 200HB | 597MPa |
| 309S-热轧圆钢-26mm | 200HB | 597MPa |
| 309S-热轧圆钢-27mm | 200HB | 597MPa |
| 309S-热轧圆钢-28mm | 200HB | 597MPa |
| 309S-热轧圆钢-29mm | 200HB | 597MPa |
| 309S-热轧圆钢-30mm | 200HB | 597MPa |
| 309S-热轧圆钢-31mm | 200HB | 597MPa |
| 309S-热轧圆钢-32mm | 200HB | 597MPa |
物性范围
| 项目 | 范围 |
|---|---|
| 抗拉强度 | 1070MPa~918MPa |
| 硬度 | 256MPa~256MPa |
选型要点
309S属耐热钢。选型依据：抗拉强度（1070MPa~918MPa）、硬度（256MPa~256MPa）、加工形态（板/棒/丝/带/管/型材）及后续热处理与状态需求综合确定。
FAQ
Q1：309S常见规格形态？
309S-热轧圆钢-100mm、309S-热轧圆钢-10mm、309S-热轧圆钢-11mm、309S-热轧圆钢-12mm、309S-热轧圆钢-13mm、309S-热轧圆钢-14mm、309S-热轧圆钢-15mm、309S-热轧圆钢-16mm等。
Q2：309S性能如何？
抗拉 1070MPa~918MPa，硬度 256MPa~256MPa。