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How high temperature can bear of 316ti stainless steel pipe
316ti and 317L stainless steel pipe are molybdenum containing stainless steel
Chemical composition of 316ti stainless steel pipe:
C (%): ≤ 0.08 Si (%): ≤ 1.00 Mn (%): ≤ 2.00 P (%) ≤: 0.045 S (%) ≤: 0.03 Cr (%): 16.0 ～ 18.0 Ni (%): 10.0 ～ 14.0 Mo (%): 2.00 ～ 3.00 Others (%): 5 (C+N) ≤ Ti ≤ 0.70, N ≤ 0.10
Mechanical properties of 316ti stainless steel:
YS (Mpa) ≥ 205 TS (Mpa) ≥ 520 EL (%) ≥ 40 Hv about 200 °
316ti stainless steel management weight calculation formula: (outer diameter - wall thickness) × wall thickness × 0.02513=KG/M
316ti stainless steel pipe can withstand high temperature of about 900 ℃.
316Ti is a kind of steel developed to solve the intergranular corrosion of 316 by adding titanium on the basis of 316. It has good intergranular corrosion resistance, and has improved corrosion resistance in dilute H2SO4, H3PO4, organic acid and marine atmosphere. Other properties are similar to 316.
1、 316Ti corresponding brand: 1. National standard GB-T standard: digital brand: S31668, new brand: 06Cr17Ni12Mo3Ti, old brand: 0Cr18Ni12Mo3Ti, 2. American standard: ASTMA standard: S31635, SAE standard: 1, UNS standard: 316Ti, 3. Japanese standard JIS standard: sus316Ti, 4. German standard DIN standard: 1.4571, 5. European standard EN standard: X6CrNiMoTi17-12-2, French standard NF standard: z6cndt17-12, British standard BS standard: 320s3320s17, Sweden: 23432350NTR standard: APMT.
2、 316Ti chemical composition: (1) carbon C ≤ 0.08, (2) silicon Si: ≤ 1.00, (3) manganese Mn: ≤ 2.00, (4) phosphorus P: ≤ 0.045, (5) sulfur S: ≤ 0.030, (6) chromium Cr: 16.00~18.00, (7) nickel Ni: 10.00~14.00, (8) molybdenum Mo: 2.00~3.00, (9) nitrogen N: -, (10) copper Cu: -, (11) other elements: Ti ≥ 5C~0.70.
3、 Physical properties of 316Ti: ① density (20 ℃)
/Kg/dm3: "7.9, ② melting point/℃: -, ③ specific heat capacity (0~100 ℃)/kg/(kg. k): 0.5", ④ thermal conductivity/w/(m.k)
100 ℃ -: "16", ⑸ Thermal conductivity/w/(m.k)
500℃-:
"24", ⑥ Linear expansion coefficient
/(10-6/k)
0~100 ℃: "15.7", ⑦ Linear expansion coefficient/(10-6/k)
0~532℃:
"17.6", ⑧ resistivity (20 ℃)
/(Ω. mm2/m): "0.75", ⑨ longitudinal elastic modulus
(20 ℃)/GPa: "199, ⑩ magnetic: none.
4、 316Ti mechanical properties: (1) delivery status: bar solution treatment, plate solution pickling, (2) tensile strength (RM/MPa): 530, (3) elongation strength (Rp0.2/MPa): 205, (4) elongation A/%: 40, (5) reduction of area (Z/%): 55.
5、 316Ti heat treatment: ① hardness HBW ≤: solid solution 187, hardness HRB ≤: 90, ② heating temperature: 1000~1100, ③ heating method: rapid cooling.
316Ti application field: suitable for manufacturing welding parts, equipment resistant to low temperature dilute H2SO4, H3PO4 and organic acid.