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Raian Ionescu

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コンタクトパーソン : Gao

電話番号 : 18068357371

Whatsapp : +8618068357371

Black Surface S355JR Grade Square Steel Pipe 3030-300300mm Hollow Welded Steel Pipe

最小注文数量	50トン
価格	US $685-1,250 / Ton

商品の詳細

断面形状	四角	表面処理	黒
サイズ範囲	10mm10mm - 1000mm1000mm	厚さの範囲	1.2mm～30.0mm
マテリアルグレード	Q195,Q215,Q235,Q345	降伏強さ	355 N/mm2 (≤16mm)
抗張力	510-680 N/mm2 (d<3mm)	伸長	22% (3≦d≦40mm)
炭素含有量	≤0.24% (S355JR)	シリコン含有量	≤0.55%
マンガンの内容	≤1.60%	リン含有量	≤0.035% (S355JR)
硫黄分	≤0.035% (S355JR)	銅含有量	≤0.55%
生産能力	10,000MT/月
ハイライト	Black Surface Square Steel Pipe , S355JR Grade Hollow Steel Pipe , 3030-300300mm Welded Steel Pipe

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製品の説明

Steel Pipe Standards: EN10210, EN10219, ASTM A500 MS SHS

Available in sizes 15×15mm to 600×600mm with thickness range of 1.0-30mm

Product Overview

Square pipe hollow black iron S275JR welded square steel pipe manufactured to international standards for structural applications.

Product Specifications

Square Pipe: 10mm×10mm - 1000mm×1000mm | Thickness: 1.2mm - 30.0mm

Round Pipe: OD 310mm - 1000mm | Thickness: 4mm - 30mm | Custom lengths available

Rectangle Pipe: 20mm×40mm - 400mm×700mm | Thickness: 1.2mm - 30.0mm

L/T/Z Window Section: 28mm/38mm | Thickness: 0.5mm - 1.5mm

Material & Specifications

Materials: Q195, Q215, Q235, Q345 and equivalent grades

Surface Treatment: Black or bright finish, painted or oiled

Packing: Export standard packing (bundles, seaworthy package, container shipment)

Delivery Port: Shanghai, China

Lead Time: Within 30 days after receiving original L/C or deposit

MOQ: 10 Tons per size

Production Capacity: 10,000MT per month

Applications

Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sports equipment, and home furniture.

Main Markets

Europe, America, Africa, Southeast Asia

EN 10025 S355 Steel Specifications

S355 steel is a European standard structural steel grade according to EN 10025-2:2004, offering superior properties compared to S235 and S275 steels in yield strength and tensile strength.

S355 Steel Grade Designations

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

Technical Data Sheets

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 Range	d < 3mm	3 ≤ d ≤ 100mm	100 < d ≤ 250mm
S355JR	510-680	470-630	450-600

Elongation (≥ %)

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

Product Gallery

Welcome to contact us for quotations and technical specifications. We serve both new and existing customers with premium quality steel pipes.

札:

Black Surface S355JR Grade Square Steel Pipe 30*30-300*300mm Hollow Welded Steel Pipe

Black Surface Square Steel Pipe

S355JR Grade Hollow Steel Pipe

30*30-300*300mm Welded Steel Pipe

Black Surface S355JR Grade Square Steel Pipe 3030-300300mm Hollow Welded Steel Pipe

3030-300300mm Welded Steel Pipe