ASTM A178 ERW steel tube
ASTM A 178 ERW Steel Tube
ASTM A178 standard referes to electric-resistance-welded tubes with minimum-wall-thickness. Materials are carbon steel and carbon-manganese steel, ASTM A178 pipe and tube is to be used in boiler tubes, boiler flues, superheater flues and safe ends. Steel Grades A (low-carbon steel), C (medium-carbon steel), or D (carbon-manganese steel). Manufacturing processes must include heat treatment, welding after cooling. Crush test shall be performed if required by customer.
Material Comparison Tables (ASTM °CKS, JIS, DIN, BS, NBN, NF, UNI):
| ASTM STANDARD | UNS NO. | KOREA/JAPANES | GERMAN | BRITISH | BELGIAN | FRENCH | ITALIAN | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KS/JIS Symbol | KS/JIS Numbe | Remarks | DIN Type |
DIN Number |
Materiral Number |
Remarks |
B.S Number |
B.S Grade | NBN Type | NBN Grade | Remarks | AFNOR Type | NF Number | Ramarks | UNI Type | UNI Number | Ramarks | |||
|
A 178 C-Steel Electric-Resistance-Welded Boiler Tubes |
||||||||||||||||||||
| Grade A | K01200 | STBH 340/ STB 35 | D3563 / G3461 | St 37.8 | 17177 | 1.0315 | (7) | 3059 | ERW 320 | (3) | (3) | |||||||||
| Grade c | K03503 | SHBH 410 / STB 42 | D3563 / G3461 | St 42.8 | 17177 | 1.0498 | (7) | (3) | (3) | |||||||||||
JIS Number and Corrensponding Foreign Standards:
| JIS | ASTM | BS | DIN | NF | ISO | Index Number | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard Number | Grade | Tupe |
Standard Number |
Grade | Tupe |
Standard Number |
Grade | Tupe |
Standard Number |
Grade | Tupe | Standard Number | Grade | Tupe | Standard Number | Grade | Tupe | |
| G3461 | STB340 | C | A161 | LC | C | 3059 | HFS320 | C | A49-245 | TS34e | C | C010 | ||||||
| (STB35) | A192 | - | C | " | CFS320 | C | " | TS34c | C | |||||||||
| A226 | - | C | " | ERW320 | C | |||||||||||||
| A556 | GrA2 | C | " | CEW320 | C | |||||||||||||
| A557 | GrA2 | C | " | S1 360 | C | |||||||||||||
| " | S2 360 | C | ||||||||||||||||
| " | ERW 360 | C | ||||||||||||||||
| " | CEW360 | C | ||||||||||||||||
| 3606 | ERW320 | C | ||||||||||||||||
| " | CEW320 | C | ||||||||||||||||
| " | CFS320 | C | ||||||||||||||||
| STB410 | C | A179 | GrC | C | 3059 | S1 440 | C | 17175 | St45.8 | C | A49-213 | TU42c | C | 2604/2 | TS9H | C | ||
| (STB42) | A210 | GrA1 | C | " | S2 440 | C | 17177 | St42.8 | C | A49-215 | TU42c | C | " | TW9H | C | |||
| A556 | GrB2 | C | " | ERW 440 | C | A49-243 | TS42c | |||||||||||
| A557 | GrB2 | C | " | CEW 440 | C | A49-245 | TS42c | |||||||||||
| 3602 | HFS 410 | C | " | TS42c | ||||||||||||||
| " | CFS 410 | C | ||||||||||||||||
| " | ERW 410 | C | ||||||||||||||||
| " | CEW 410 | C | ||||||||||||||||
| 3606 | ERW 440 | C | ||||||||||||||||
| " | CEW 440 | C | ||||||||||||||||
| " | CFS 440 | C | ||||||||||||||||
| STB510 | C | C | 17175 | 19Mn5 | C | A49-213 | TU52C | C | 2604/2 | TS18 | C | |||||||
| (STB52) | C | A49-248 | TU52C | C | ||||||||||||||
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