• Model NO.：KM-801
• Grade：15CH5m,15CrMo,10mocr50
• Secondary or Not：Non-Secondary
• Special Pipe：Boiler Pipe
• Alloy or Not：Alloy
• Application：Industrial Lubricant, Oil Product
• Certification：ISO BV Ce
• Delivery Time：7-10 Days
• Payment Term：T,T L,C
• Transport Package：in Bundles ,Wooden Boxes or Customers′ Request
• Specification：thickness: 2.77 - 52 mm
• Trademark：kingmetal
• Origin：China (Mainland)
• Production Capacity：2000 Ton,Tons , Month

Standard: GOST 550-75
Equivalent Standard: DIN 17175, EN 10216-2, ASTM A213, ASTM A335, ASME SA213, GB9948Material: 15Ch5M, 15Cr5Mo
Equivalent Materials: 15X5M, P5, T5, K41545Chemistry Composition

C, %	Si, %	Mn, %	P, %	S, %	Cr, %	Mo, %	Ni, %
0.15 max	0.5 max	0.5 max	0.025 max	0.030 max	4.5-6.0	0.45-0.60	0.60 max

Mechanical Properties

Type	Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Hardness, HB
Hot rolled	392 min	216 min	22 min	170 max
Cold & Warm	392 min	216 min	22 min	170 max

GOST 550-75 shall be applied to steel pipes designed for petroleum processing and the petrochemical industry. Depending on their purpose, pipes shall be manufactured in groups A and B. The dimensions of cold worked, warm worked and hot worked pipes of group A shall be in accordance with those specified in table 1 of GOST 550-75, dimensions of cold worked and warm worked pipes of group B shall be in accordance with GOST 8734-75, and the dimensions of hot worked pipes of group B shall be in accordance with GOST 8732-78. The pipes of group A shall be manufactured with a length of cut in compliance with table 1 of GOST 550-75, and a minimum length not less than 4 m.Length: 4000mm; 8030mm; 8050mm; 12010mm; 12030mm; 12050mm; and so on.
Max developed length: 30 meters, also U bending, finning, studded process can be provided.
Option: shot blasting on the outside surface to remove mill scale, make the surface matte colour; surface polishing as preparation work done for further processing, for instance finning.Keyword: seamless steel pipes, seamless steel tubes, ГОСТ 550-75, GOST 550-75