 |
| 원래 장소: | 중국 |
| 브랜드 이름: | YUHONG |
| 인증: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| 모델 번호: | E235+N,ST374ST524 |
| 최소 주문 수량: | 100KGS |
|---|---|
| 포장 세부 사항: | 합판 상자, 번들 |
| 배달 시간: | 7일입니다 |
| 지불 조건: | L/C, T/T |
| OD: | 3/4 (19.05), 1 (25.4) , 1-1/4 (31.75), 1-1/2 (38.1), 2 (50.8), 2-1/2 (63.5) , 3" (76.2) | 사용: | 열 교환기 튜브, 보일러관 |
|---|---|---|---|
| 표준: | EN10305-1 | 소재: | ST37.4, ST52.4,E235+N |
| WT: | 0.89,1,1.24,2.11MM.... | ||
| 강조하다: | EN10305-1 E235+N 매듭 없는 튜브,NBK 시무스 튜브,자동차 사용 수직 파이프 |
||
EN10305-1 E235+N NBK Precision Seamless Tube For Automobile Usage
| Steel Grade | Chemical Components (%) | ||||||
| Steel Name | Steel Number | C
max. |
Si
max. |
Mn
max. |
P
max. |
S
max. |
AL
min. |
| E215 | 1.0212 | 0.10 | 0.05 | 0.7 | 0.025 | 0.025 | 0.025 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.2 | 0.025 | 0.025 | / |
| E355 | 1.058 | 0.22 | 0.55 | 1.6 | 0.025 | 0.025 | / |
The tubes shall be manufactured from hot finished seamless tubes by cold drawing or other suitable processes. The tubes shall be supplied in one of the delivery conditions as follows:
| Designation | Symbol | Description |
| Cold drawn/hard | +C | No heat treatment after the final cold drawing process. |
| Cold drawn/soft | +LC | After the final heat treatment there is a suitable drawing pass. |
| Cold drawn and stress relieved | +SR | After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere. |
| Annealed | +A | After the final cold drawing process the tubes are annealed in a controlled atmosphere. |
| Normalized | +N | After the final cold drawing operation, the tubes are normalized in a controlled atmosphere. |
Delivery Condition Symbol in accordance with EN10305 and DIN2391
| Symbol in accordance with EN 10305 | Symbol in accordance with DIN2391 |
| +C | BK |
| +LC | BKW |
| +SR | BKS |
| +A | GBK |
| +N | NBK |
담당자: Candy
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