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매우 좋은 소재 품질. 우리는 10년 이상을 협력하게 합니다. 그들은 강철 소재의 다량 종류를 거래합니다. 좋은 모든 소재 품질. 그들 모든 소재 품질을 위한 의무. 우리는 활공하고 있고 계속되고 미래에 그들과 협력합니다

담당자 : Gao

전화 번호 : 18068357371

왓츠앱 : +8618068357371

S355JR S355J0 S355J2 Square Steel Pipe and Square Tube with Black Surface in 3030-300300 Sizes

최소 주문 수량	50 톤
가격	US $650-1,250 / Ton

제품 상세 정보

모델 번호.	S355JR S355J0 S355J2	표면 처리	검은색
단면 모양	정사각형	사양	3030-300300
크기 범위	10mm10mm - 1000mm1000mm	두께 범위	1.2mm - 30.0mm
재료	Q195, Q215, Q235, Q345	항복 강도	355N/mm²(16mm 이하)
인장강도	510-680N/mm²(d<3mm)	연장	22% (3≤d≤40mm)
탄소 함량	0.24% 이하(S355JR)	망간계 콘탠츠	1.60% 이하
실리콘 함량	0.55% 이하	인 함량	0.035% 이하(S355JR)
유황 성분	0.035% 이하(S355JR)
강조하다	S355JR S355J0 S355J2 Square Steel Pipe , 3030-300300 Square Tube , Black Surface Hollow Section

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제품 설명

Carbon S355 Square Steel Pipes and Tubes

High-quality welded square steel pipes manufactured to EN 10025 standards, available in S355JR, S355J0, and S355J2 grades for structural applications.

Product Specifications

Product Type	Specification (mm)	Thickness	Length
Round Pipe	OD310mm - 1000mm	4mm - 30mm	Any length
Square Pipe	10mm×10mm - 1000mm×1000mm	1.2mm - 30.0mm	-
Rectangle Pipe	20mm×40mm - 400mm×700mm	1.2mm - 30.0mm	-
L/T/Z Window Section	28mm/38mm	0.5mm - 1.5mm	-

Product Details

Material: Q195, Q215, Q235, Q345, etc.
Surface: Black or bright, painted or oiled
Packing: Export standard packing (bundles, seaworthy package, shipped in container)
Delivery Port: Shanghai, China
Lead Time: Within 30 days after receiving original L/C or deposit
MOQ: 10 Tons per size
Usage: Structural applications, automotive, ornamental, medical equipment, sports equipment, and home furniture
Production Capacity: 10,000MT per month
Main Markets: Europe, America, Africa, Southeast Asia

EN 10025 S355 Steel Grades

S355 structural steel offers superior mechanical properties compared to S235 and S275 grades, with four main quality classifications:

S355JR (1.0045): Minimum 27J impact energy at 20°C
S355J0 (1.0553): Minimum 27J impact energy at 0°C
S355J2 (1.0577): Minimum 27J impact energy at -20°C
S355K2 (1.0596): Minimum 40J impact energy at -20°C

Chemical Composition

Steel Grade	C (%)	Si (%)	Mn (%)	P (%)	S (%)	Cu (%)	N (%)	Deoxidation
S355JR	≤0.24	≤0.55	≤1.60	≤0.035	≤0.035	≤0.55	≤0.012	Rimmed steel not allowed
S355J0	≤0.20	≤0.55	≤1.60	≤0.030	≤0.030	≤0.55	≤0.012	-
S355J2	≤0.20	≤0.55	≤1.60	≤0.025	≤0.025	≤0.55	-	Fully killed
S355K2	≤0.20	≤0.55	≤1.60	≤0.025	≤0.025	≤0.55	-	Fully killed

Mechanical Properties

Yield Strength (≥ N/mm²)

Thickness (mm)	d≤16	16< d ≤40	40< d ≤63	63< d ≤80	80< d ≤100	100< d ≤150	150< d ≤200	200< d ≤250
S355 Grades	355	345	335	325	315	295	285	275

Tensile Strength (≥ N/mm²)

Thickness (mm)	d<3	3 ≤ d ≤ 100	100 < d ≤ 250
S355JR	510-680	470-630	450-600

Elongation (≥%)

Thickness (mm)	3≤d≤40	40< d ≤63	63< d ≤100	100< d ≤150	150< d ≤250
S355JR	22	21	20	18	17
S355K2	20	19	18	18	17

Product Images

S355JR S355J0 S355J2 Square Steel Pipe and Square Tube with Black Surface in 30*30-300*300 Sizes

S355JR S355J0 S355J2 Square Steel Pipe

30*30-300*300 Square Tube

Black Surface Hollow Section

S355JR S355J0 S355J2 Square Steel Pipe and Square Tube with Black Surface in 3030-300300 Sizes

3030-300300 Square Tube