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Model No. : | GB/24187 |
---|---|
Brand Name : | 토리치 |
Shape : | Round |
제품 설명
토리 치 (TORICH)는 용접 강관 (Welded Steel Pipe )의 전문 제조업체이자 수출국입니다 :
ERW 용접 강관, ERW 용접 강관
LASW 용접 스틸 파이프, LASW 용접 스틸 튜브, 세로 용접 아크 용접의 생산 방법으로 정밀 스틸 튜브 .
표 1 강재 튜브 표면의 유형, 상태 및 코드
Type |
State |
Code |
Bright Surface |
No coating on the inner and outer surface of steel pipe |
SL |
Copper plated surface |
Copper plating on the outer surface of steel tube |
Cu |
Galvanized surface |
Galvanized or zinc alloy on the outer surface of steel pipe |
Zn |
Double-sided copper plating surface |
The inner and outer surfaces of the steel pipe are plated with copper |
Cu/Cu |
External galvanized inner copper plating surface |
Galvanized or zinc alloy on the outer surface of steel pipe, copper plating on the inner surface |
Zn/Cu |
a. Use electroplating, electroless or hot dip plating. b. Manufacture of steel strip with double-sided copper plating, and the quality of the coating at the weld line should be negotiated by both suppliers and suppliers. c. Manufacture of steel strip with double-sided copper plating. |
강 스트립 (질량 분율) % 의 화학적 조성
Category |
C |
Si |
Mn |
P |
S |
Cold rolled low carbon steel strip |
≤0.08 |
≤0.03 |
≤0.30 |
≤0.030 |
≤0.030 |
Cold rolled ultra low carbon steel strip |
≤0.008 |
≤0.03 |
≤0.25 |
≤0.020 |
≤0.030 |
강관의 기계적 성질
Category |
Tensile Strength
|
Yield Strength
|
Elongation A/% |
Ordinary steel pipe(MA) |
≥270 |
≥180 |
≥14 |
Soft steel tube(MB) |
≥230 |
150~220 |
≥35 |
a Replace with when the yield phenomenon is not obvious. b Sample type of sample number S7 in GB/T 228-2002. |
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