脚手架和矩形管冷弯成型时不同的特点冷弯脚手架、冷弯矩形管是通过外辊与管坯外壁的单向接触形成弯矩使带料弯折,冷弯会使弯折线产生压缩,压缩效应使弯折线纵向伸长,弯折处金属出现堆积变厚,这就是冷弯的压缩/增厚效应。Cold-formed square pipe and…

唐山脚手架市场价格稳中偏弱运行。周末受钢坯下跌影响，唐山脚手架价格普遍小降10-20元，今日早盘价格主稳，但成交弱，盘中部分降价走货，截止16点统计唐山23家脚手架厂共出货 35860吨，整体成交一般，个别尚可，工字钢7家7600吨，槽钢12家15100吨，角钢5家13160吨。午后钢坯价格持稳，期螺宽幅震荡，市场走势趋稳， 但鉴于需求有限，预计明日唐山脚手架价格将延续稳中偏弱格局。

Tangshan Fangguan market price is stable and weak. Affected by the drop of billet over the weekend, Tangshan square pipe price generally fell by 10-20 yuan. Today's morning price is stable, but the transaction is weak. Some of the discounted goods go on sale. As of 16:00, 23 square pipe factories in Tangshan have shipped 35,860 tons. The overall turnover is normal. Individually, 7 I-beam steels have 7,600 tons, 12 channel steels have 15,100 tons and 5 angle steels have 13,160 tons. In the afternoon, billet prices remained stable, snail width shocked and market trend stabilized. However, due to limited demand, it is expected that Tangshan Square Tube Price will continue to be stable, moderate and weak tomorrow.

价格方面：现唐城产16-20工报价3900元，大成产14-16工报价3910元，正丰产5#角钢报价3930元，申达产14-20号槽钢报3880元，电力产22-25#槽钢报价4000元。

Price: Tangcheng 16-20 works quoted 3900 yuan, Dacheng 14-16 works quoted 3910 yuan, Zhengfeng 5 angle steel quoted 3930 yuan, Shenda 14-20 channel steel quoted 3880 yuan, electric power 22-25 channel steel quoted 4000 yuan.

　　脚手架市场价格弱势运行各地成交不佳脚手架市场价格弱势运行。主导市场，北京、天津、上海、广州均出现下跌。随着期螺夜盘的走低，市场观望情绪转浓，不过下游需求依旧较 弱，因此周末市场表现普遍低迷。今早开盘，期螺震荡向下后维持低位平稳运行，期螺…