12X18h10t GOST17376 Tee,Gost Stainless steel pipe Tee SS321
We are the professional manufacturer and exporter of12X18H10T Pipe fitting Tee ,Gost 12X18H10T Tee ,GOST17376 Tee in China
Steel tees GOST 17376-2001 are used for pipelines for various purposes, including those controlled by regulatory authorities, at PN up to 160 MPa and temperature from -70 ° С to +450 ° С.
Overview:
| Diameter of tees execution 1, D | 21.3-355.6 mm |
| Diameter of tees execution 2, D | 45-426 mm |
| Material | 20, 09G2S,
12X18h10t |
Steel transitional seamless tees (GOST 17376-2001). They are made from steel of the following grades: 20, 09G2S, 12X18H10T, 10X17H13M2T, 15X5M, 13XFA, 20A, 20C.
An example of a symbol for tees of steel gost 17376-2001:
• equal bore tee execution 2, D = 426 mm, T = 10 mm from steel 20 :
Tee 426×10-20 GOST 17376-01,
• the same from steel 09G2S for pipelines controlled by regulatory authorities:
Tee P 426×10-09G2S GOST 17376-01,
• adapter tee of execution 1, D = 355.6 mm, T = 11 mm, D1 = 219.1 mm, T1 = 8 mm from steel 20:
Tee 1-355.6×11-219.1×8-20 GOST 17376-01.
Chemical composition in material 12X18H10T Pipe fittings Elbow
| C | Si | Mn | Ni | S | P | Cr | Cu | – |
| max 0.12 | max 0.8 | max 2 | 9 – 11 | max 0.02 | max 0.035 | 17 – 19 | max 0.3 | (5 С – 0.8) Ti, остальное Fe |
12X18H10T and AISI 321 Material comparison
| Standard | Steel Grade | ||||||||
| Chemical Composition % | |||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Ni: | Ti: | N: | |
| EN | 1.4541 – X6CrNiTi18-10 | ||||||||
| <0.08 | <2.0 | <1.0 | <0.045 | <0.03 | 17.0 – 19.0 | 9.0 – 12.0 | <0.7 | – | |
| ASTM | AISI 321 – UNS S32100 | ||||||||
| <0.08 | <2.0 | <0.75 | <0.045 | <0.03 | 17.0 – 19.0 | 9.0 – 12.0 | <0.7 | <0.1 | |
| EN/DIN | 1.4878 – X8CrNiTi18-10 – X12CrNiTi18-9 | ||||||||
| <0.10 | <2.0 | <1.0 | <0.045 | <0.015 | 17.0 – 19.0 | 9.0 – 12.0 | <0.8 | – | |
| ASTM | AISI 321H – UNS S32109 | ||||||||
| 0.04 – 0.10 | <2.0 | <0.75 | <0.045 | <0.030 | 17.0 – 19.0 | 9.0 – 12.0 | 0.16 – 0.70 | – | |
| GOST | 08Ch18N10T – 08Х18Н10Т | ||||||||
| <0.08 | <2.0 | <0.8 | <0.035 | <0.020 | 17.0 – 19.0 | 9.0 – 11.0 | <0.7 | – | |
| GOST | 10Ch18N10T – 10Х18Н10Т | ||||||||
| <0.10 | 1.0 – 2.0 | <0.8 | <0.035 | <0.020 | 17.0 – 19.0 | 9.5 – 11.0 | <0.6 | – | |
| GOST | 12Ch18N10T – 12Х18Н10Т | ||||||||
| <0.12 | <2.0 | <0.8 | <0.035 | <0.020 | 17.0 – 19.0 | 9.0 – 11.0 | <0.8 | – | |
