| Grades And Specifications | |
| Specification | Grades |
| ASTM : | A179, A192, A2 10 (Gr.A1/Gr.C), A333 (Gr.1/Gr.6), A334 (Gr.1/Gr.6), A106 (Gr.B), A556 (Gr.C), A556 Gr. B2, A556 GR. C2 |
| BS : | 3059 Part I Gr.320, 3059 Part II Gr. 360, BS 3059 Gr.440, BS -3602 PT-1 CFS 360, BS-980 (CDS-1) |
| DIN : | 2391 (ST-35, ST-45, ST-52), 2391/C (ST-37.4, ST-52.3, ST-37.0), 73000 (ST 30 AL, ST-52), 17175 (ST-35.8, ST-45.8, 15 Mo3, 10Cr Mo910, 13 Gr Mo44) |
| EN : | 10305-1 & 10204, 10216-2, 10297-1 |
| IS : | 1239 (Heavy, Medium), 3074 (CDS1, CDS3), 3601 |
Standard Specification of Stainless Steel Cold Drawn Seamless Straight & ‘U’ Bend Tubes & Pipes For Heat Exchangers.
| Material | ||||
| ASTM | Equivalent Standards | |||
| UNS | GRADE | DIN(EN) | JIS | |
| AUSTENITIC | S30400 | 304 | 1.4301 | SUS 304 |
| S30403 | 304L | 1.4306 | SUS 304L | |
| S31600 | 316 | 1.4401 | SUS 316 | |
| S31603 | 1.4404 | SUS 316L | ||
| S31635 | 316TI | 1.4571 | ———– | |
| S32100 | 321 | 1.4541 | SUS 321 | |
| S34700 | 347 | 1.455 | SUS 347 | |
| S30409 | 304H | 1.4948 | SUS 304H | |
| S31609 | 316H | 1.4919 | SUS 316H | |
| S32109 | 321H | 1.4941 | SUS 321H | |
| FERRITIC | S40500 | 405 | 1.4002 | SUS 405 |
| S41000 | 410 | 1.4006 | SUS 410 | |
| S43000 | 430 | 1.4016 | SUS 430 | |
| DUPLEX | S31803 | —— | 1.4462 | —— |
| Standard Specification | Applications |
| ASTM A 53 / SA 53 | Seamless Carbon Steel Pipes for Mechanical & Pressure application & also for ordinary use in steam, water, gas, air lines. |
| ASTM A 106 / SA 106 | Seamless Carbon Steel Pipes for High - Temperature Service. |
| ASTM A 179 / SA 179 | Seamless Cold-Drawn Low-Carbon Steel tubes for Heat-Exchanger and Condenser. |
| ASTM A 192 / SA 192 | Seamless Carbon Steel Boiler Tubes for High-Pressure Service. |
| ASTM A 210 / SA 210 | Seamless Medium-Carbon Steel Tubes for Boiler and Super heater. |
| ASTM A 333 / SA 333 | Seamless Carbon and Alloy Steel Pipes for Low-Temperature Service. |
| ASTM A 334 / SA 334 | Seamless Carbon and Alloy Steel Tubes for Low-Temperature Service. |
| ASTM A 822 | Seamless Cold-Drawn Carbon Steel Tubing for Hydraulic System Service. |
| BS 980 | Seamless Steel Tubes for automobile purposes. |
| BS 3059 PART-I | Seamless low tensile Carbon Steel Tubes for Boiler and Super heater. |
| BS 3059 PART-II | Seamless Carbon Steel / Alloy Steel Tubes for Boiler and Super heater. |
| BS 3602 | Seamless Carbon Steel Pipes and Tubes for pressure purposes. |
| BS 6323 PART-4 | Seamless Steel Tubes for automobile, mechanical & general engineering purposes. |
| DIN 2391 | Seamless Precision Steel Tubes for mechanical and automotive engineering. |
| DIN 17175 | Seamless Tubes of Heat resistant Steels used in Boilers, Pressure vessels & equipment for service upto 600° C and at high pressures. |
| IS : 1239 | Mild Steel Tubes for use in water, gas, air lines & steam. |
| IS : 3074 | Seamless Steel Tubes for automotive purposes |
| IS : 3601 | Seamless Steel Tubes for Mechanical and General Engineering Purposes. |
| IS : 4923 | Seamless Cold Formed Square Hollow Steel sections for structural use. |
| DIN EN 10216-2 | Seamless Non - Alloy & Alloy Steel Tubes for pressure purposes. |
| DIN EN 10297-1 | Seamless Non - Alloy & Alloy Steel Tubes for mechanical & general engineering purposes. |
| DIN EN 10305-1 | Seamless Steel Tubes for precision applications. |
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