Tianjin best imported large caliber posterior wall spiral pipe manufacturers

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Tianjin best imported large caliber posterior wall spiral pipe manufacturers - Ding Shun Steel Pipe

Information Name:	Tianjin best imported large caliber posterior wall spiral pipe manufacturers - Ding Shun Steel Pipe
Published:	2013-03-20
Validity:	365
Specifications:	8-650mm
Quantity:	0.00
Price Description:
Detailed Product Description：	Heat treatment specifications and microstructure 60Si2Mn heat treatment specifications: quenching 870 ° C ± 20 ° C, oil cooling; tempering 480 ° C ± 50 ° C (special needs, ± 30 ℃). The microstructure: tempering troostite. Delivery status: hot-rolled steel, heat-treated or not heat-treated condition delivery, cold-drawn steel to heat treatment delivery. And the hot delivery specifications: 2.0 ~ 18.0mm, annealed and not annealed condition. Cold rolled Delivery Specification: 0.3 ~ 4.3mm (strip)

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