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모형: JIS G3466
상표: Torich
포장: 번들 또는 wwoden 상자
생산력: 50000 tons per year
수송: Ocean,Land,Air
원산지: 중국
지원에 대한 지원: 50000 tons per year
인증 : ISO 9001 TS16949 ISO14001
HS 코드: 7304399000
포트: Shanghai,Shanghai,Shanghai
지불 유형: L/C,T/T,D/P,Paypal,Money Gram,Western Union
인 코텀: FOB
관련 규격 : KS D 3568 ASTM A500 BS EN 10025
구조용 정사각형 및 직사각형 탄소강 사각 파이프
생산 방법 : ERW ARC 용접 Seamless
CHEMICAL COMPOSITION % max |
|||||
Steel grade |
C |
Si |
Mn |
P |
S |
STKR 400 |
0.25 |
- |
- |
0.04 |
0.04 |
STKR 490 |
0.18 |
0.55 |
1.5 |
0.04 |
0.04 |
MECHANICAL PROPERTIES min |
||||
Steel grade |
Tensile strength Mpa |
Yeild point or proof stress Mpa |
Elongation % |
|
STKR 400 |
400 |
245 |
23 |
|
STKR 490 |
490 |
325 |
23 |
Dimensional tolerance |
||
Specified item and dimension |
Dimensional tolerance |
|
length of side |
100mm or under |
±1.5mm |
over 100mm |
±1.5% |
|
Unvenness of flat plate portions |
side length 100mm or under |
0.5mm max |
side length over 100mm |
within 0.5% of side length |
|
Angularity made by adjacent flat plate portions
|
±1.5° |
|
Dimension at corner:s |
3t max |
|
Length |
+ not specified 0 |
|
Un-straightness |
Within 0.3% |
|
Wall thickness :t |
Square steel tube manufacture by welding |
under 3 mm ±0.3mm |
Seamless square steel tube |
under 4mm ±0.6mm |
추가 : Torich JIS G3444 3466 표준 STK400 STKR 400 STKR490 사각 강관 20x20x2 테이블 다리로 사용 정사각형 및 직사각형 무게 :
W = 0.0157t (A + B-3.287t)
코팅 : 용융 아연 코팅
전해 아연 코팅
용융 알루미늄 코팅
용융 아연 -5 % 알루미늄 합금 코팅
용융 55 % 알루미늄 합금 코팅
끝 : 평범하거나 매혹적
제품 디렉토리 : 프로필 스틸 튜브
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