Welcome to Shandong Xunwei International Trade Co., Ltd.

Material Comparison Table

Our Company is Specialized in Producing Squareand Rectangular Steel Pipes as Follows

Executive standard	GB/T1591-2018	EN10025-2004	DIN17100-80	ASTM A106/A500	JIS G3466
Steel grade	Q195 Q215	S185	St33		SS330
	Q235	S235JR	St37-2	Gr.A	SS400
	Q355	S355JOH	St52-3	Gr.C
OD range	219mm-3520mm
Wall thickness	1.0mm-40.0mm

Implementation of Standards

Enterprise Standard & Reference of Domestic and Overseas Standards
	QB/XJY01	GB/T6728-2017	GB/T3094-2012
Outside dimensions A、Bmm	100以下±0.4(±0.2)100以上±0.6%(±0.3%)	50以下±0.5 300+±2.4 100±0.8 350±2.8 150±1.2 400±3.2 200±1.6 500±4.0 250±2.0600±4.0	0以下±0.3(普通) ±0.2(高级) 30-50±0.4 ±0.3 50-75±0.8% ±0.7% 75以上±1.0% ±0.8%
Convexity or concavity	100以下±0.5(±0.3)以下100以上0.4% (0.3%)以下	60以下 ±0.4 60以上 0.6%	30以下 ±0.2 ±0.1 30-50 ±0.15 ±0.3 50-75 ±0.8% ±0.5% 75以上 ±0.9% ±0.6%
Squareness of side	±1.0°(±0.5°)	±1.5°	±1.5°
Bending degree	特殊精度1m内0.2mm	每米不大于2mm 全长不大于0.2%	每米≤4.0mm,全长≤0.4% 每米≤2.0mm,全长≤0.2%
Radius of Corners	Rs=1.0-3.0t	碳素钢 RS=1.0-3.5t 低合金钢 Rs=1.5-4.0t	t≤6 6<t≤10 t＞10 Rs≤2.0t Rs≤2.5t Rs<3.0t
Twist	1m内1mm 特殊精度1m内0.2mm	扭曲度V=2+LX0.5/1000	30以下<1.5mm/m 30-50<2.0mm/m 50-75<2.5mm/m 75以上<3.0mm/m
Wall thickness	使用材料的相应标准公差范围内,或根据协议	10.0mm以下,±10% 10.0mm以上,±8%	1mm以下 ±0.18(普通) ±0.12(高级) 1-3mm +15%-10% +15%-10% 3mm以上 +12.5%-11% ±10%
length	0mm+ 10mm	普通级别 4m-12m、0mm、+70mm 精确级别 4m-6m 、> 6m-12m 0mm 0mm +5mm +10mm	0mm+15mm

Enterprise Standard & Reference of Domestic and Overseas Standards
	ASTM A500-2010	JISG3466	AS 1163-2016	EN 10210-2:2006
Outside dimensions A、Bmm	≤63.5 士0.51 ±0.51 63.5-88.9 ±0.64 ±0.64 88.9-139.7 ±0.76 ±0.76 >139.7 ±1% ±1%	100以下 ±1.5 100以上 ±1.5%	±1.0%,最小±0.5mm	±1%,最小±0.5mm
Convexity or concavity	65以下 ±0.5 65-90 ±0.6 90-140 ±0.8 140以上 ±1.0%	100以下0.5以下 100以上边长±0.5%	最大0.8%或者0.5mm(选最大值）	1%
Squareness of side	±2°	±1.5°	±1%	±1%
Bending degree	0.20%	全长0.3%以下	全长0.15%	总长度的0.2%，局部范围内3mm/m
Radius of Corners	Rs=3.0t以下	Rs=3.0t以下	50以下RS-1.5-3.0t 50以上RS-1.8-3.0t	每个角部最大为壁厚的3倍
Twist	40以下 ≤13mm/m 40-65 ≤1.6mm/m 65-100 ≤1.9mm/m 100-150 ≤2.2mm/m 150-200 ≤2.5mm/m 200以上 ≤2.8mm/m	不能有明显扭曲	2+0.5mm/m	2mm,长度每增加1m，增加 0.5mm
Wall thickness	±10%	焊接 3mm以下 ±0.3mm 3mm以上 ±10% 无缝 4mm以下 ±0.6mm 6mm以上 ±15%	±10%	焊接-10%+0% 无缝-10% +12.5%
length	≤6.7mm >6.7mm -6.4mm -6.4mm +12.7mm + 19mm	+根据协议 0mm	≤14m 0mm +6mm	2m-6m >6m 0mm 0mm +10mm +15mm

Note:

1.QB,X.Y01--XJY enterprise internal standard,Cold fomed steel hollowsections for general stnucture,welded square and rectangular tube, specialtube,scope ofapplication:max side size800mm,thickness tmax-40mm.

2.0ther special accuracy requirements according, to the agreement signedby supply and demand.

3.Corss section and radius measurement shall not be taken within 100mm.

4.Carbon steel:Q195 Q215,Q235,Q355;Seamess steel:10#,20#,45#;Stainless steel: SUS304,316,321,titanium alloy,pure titanium and so on.

FAQ

How to contact us?

If you are interested in our products, please feel free to contact us at any time. You can contact our product manager through email or the message board at the bottom of the page.

What are your main products?

Our main products areOur main products are agricultural machinery and accessories, engineering machinery and accessories, and steel plate shaped parts

Do you provide customized product services?

Of course, our professional R&D team can design and produce the products you need according to your specifications and drawings. For example: special size, special control, OEM, etc.

How long will it take for me to get the price?

Please provide product specifications such as material, size, quantity and other requirements. We usually quote within 6 hours, and steel prices fluctuate with the market every day. Our prices are very competitive because we have a stable supply chain. If you would like to get a price as soon as possible, please call us or let us know by email so that we can prioritize your inquiry.

Are you a manufacturer?

We have our own factory, combined with years of experience in the domestic agricultural and engineering machinery market and steel market, as well as long-term cooperation with upstream and downstream suppliers. Stable prices, quality, and supply capabilities give us a great advantage in terms of products.

Can we visit your factory?

Of course, we welcome you to visit our factory on site or visit our production line through online video to understand our strength and quality. We will arrange a professional team to serve you.You just need to send your itinerary and leave the rest to us.

What say our customers

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Introduction to Agricultural Machinery

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