| 规格 | astm a249， asme sa249 | 年级 | TP316/316L， TP304，TP304L， TP316H， TP316Ti，TP321，TP410 |
|---|---|---|---|
| 结束： | Plain | 表面： | Bright Annealed， Pickled And Annealed |
| 类型 | 焊接 | 包装 | Ply Wooden Case， Pallet |
| 强光 | 光亮退火不锈钢焊管， Welded Stainless Steel 316 Tube， Plain End Welded Stainless Steel Tubing | ||
奥氏体 Bright Annealed Welded Tube ASME SA249 TP316 316L
ASME SA249 specification specifies austenitic steel welded tubes for heat exchanger system. It is the same with ASTM A249 standard， TP316L stainless steel is typical grade used in special environment， which require good corrosion resistance steel.
The ASME SA249 TP316 Welded Tubing is a pressurized grade that is designed by rolling pieces of sheet and strips followed by welding them in place using filler material. After the welding process， the tubes are subject to testing to ensure that they can be used in harsh environments.
TP316L stainless steel is an Austenitic steel material， it is low carbon content based on TP316， carbon content max 0.035%， and there is Molybdenum (Mo) alloy to be added， therefore， TP316 has good property on corrosion resistance， TP316L grade tubes are usually used in marine environment， particular in sulfuric acid condition.
TP316/316L Chemical Composition， %， Max
| 等级 | C | 锰 | P | S | Si | 倪 | Cr | 莫 | 铁 |
|---|---|---|---|---|---|---|---|---|---|
| 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.0 | 11-14 | 16-18 | 2-3 | 平衡 |
| 316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.0 | 10-14 | 16-18 | 2-3 | 平衡 |
TP316/316L Stainless Steel Mechanical Properties
| 等级 | 拉伸强度（兆帕），最小值 | 屈服点（兆帕），最小值 | 伸长率（%），最小值 | 硬度，最大 |
|---|---|---|---|---|
| 316 | 515 | 205 | 35 | B90 |
| 316L | 485 | 170 | 35 | B90 |
ASTM A249 316L Tubing Physical Properties
| 等级 | Density， (kg/m3) | Specific Heat 0-100°C， (J/kg.K) | Elec Resistivity， (nΩ.m) | Elastic Modulus， (GPa) | 平均热膨胀系数（微米/米/摄氏度） | Thermal Conductivity， (W/m.K) | |||
| 0-100°C | 0-315°C | 0-538°C | 在 100°C 时 | 在 500°C 时 | |||||
| ASTM A249 TP316L | 8000 | 500 | 740 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 |
SA 249 TP316 Welded Tubing Wall Thickness
| Normal Pipe Sizes | 壁厚 | |
| + | - | |
| ≥20，无缝，t/D> 5% | 15.0 | 12.5 |
| 3~18，t/D≤ 5% | 22.5 | 12.5 |
| ≥20，无缝，t/D≤ 5% | 22.5 | 12.5 |
| 1/8-2 1 /2 | 20.0 | 12.5 |
| 3~18，t/D> 5% | 15.0 | 12.5 |
| ≥20，焊接 | 17.5 | 12.5 |
316 Stainless Steel Round Tube O.D Tolerances
| NPS | Stainless Steel 304 Tube OD Tolerance | |||
|---|---|---|---|---|
| + | - | |||
| 寸 | 毫米 | 寸 | 毫米 | |
| 1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48 | 1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) | 0.4 0.8 1.6 2.4 3.2 4.0 4.8 | 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) | 0.8 0.8 0.8 0.8 0.8 0.8 0.8 |
应用
-近海石油钻探公司
-发电
-石化产品
-气体处理
-专业化学品
-制药
-制药设备
-化学设备
-海水设备
-热交换器
-冷凝器
-纸浆和造纸工业
