S235jrh/S275j0h/S275j2h/S355j0h/S355j2h/S355K2h Circular, Square, Rectangular or Elliptical Pipe

• Type: Welded
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Machinery Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Rectangular
• Model NO.: KM-801
• Diameter: 20~3020mm in Theory
• MOQ: 10 Mt/Size
• Deliver Lead-Time: 10-15 Days After Receipt by T/T, or L/C
• Loading Port: Chinese Main Port
• Certificate: ISO
• Transport Package: Standard Sea-Worthy Package
• Specification: 5.5, 6.5, 7, 8, 9, 10, 12, 14mm and More
• Trademark: Kingmetal
• Origin: China
• Production Capacity: 10000tons/Month

Product Description

Kingmetal Steel Pipe Produces a full range of EN 10210 Pipe in:

• Grade S235JRH/S275J0H/S275J2H/S355J0H/S355J2H/S355K2H
• Round Pipe Size: outside diameter 88.9-457mm, thickness 2.5-16mm of ERW Pipe
• Round Pipe Size: outside diameter 219-2540mm, thickness 4-25.4mm of SSAW Pipe
• SHS Size: side length 20-800mm, thickness 2-30mm
• RHS Size: side length 20-500X20-750mm, thickness 2-30mm

Scope

Seamless Steel Pipe, ERW High-Frequency Welded Pipes, and SSAW/LSAW Welded Pipes

Materials and Manufacture

The steel for welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. Structural Hollow Sections shall be manufactured by electric welding or submerged arc welding without subsequent heat treatment.

Chemical Requirements

Steel Grade	C Max %	Si Max %	Mn Max %	P Max %	S Max %	N Max %
S235JRH	0.17	-	1.4	0.04	0.04	0.009
S275J0H	0.2	-	1.5	0.035	0.035	0.009
S275J2H	0.2	-	1.5	0.03	0.03	-
S355J0H	0.22	0.55	1.6	0.035	0.035	0.009
S355J2H	0.22	0.55	1.6	0.03	0.03	-
S355K2H	0.22	0.55	1.6	0.03	0.03	-

Tensile Requirements

Steel Grade	Min Yield Strength Mpa T≤16	Min Yield Strength Mpa 16 < T≤40	Tensile Strength Mpa T≤3	Tensile Strength Mpa 3 < T≤40	Min Elongation T < 40	Min Impact Ennergy -20ºC J	Min Impact Ennergy 0ºC J	Min Impact Ennergy 20ºC J
S235JRH	235	225	350-510	360-510	24	-	-	27
S275J0H	275	265	430-580	410-560	20	-	27	-
S275J2H	275	265	430-580	410-560	20	27	-	-
S355J0H	355	345	510-680	470-630	20	-	27	-
S355J2H	355	345	510-680	470-630	20	27	-	-
S355K2H	355	345	510-680	470-630	20	40	-	-

Permissible Variations

Wall Thickness:Plus or minus 12.5%

Weights:Plus or minus 10%

Hydrostatic Testing

Hydrostatic inspection test pressures for plain end and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and electric-resistance-weld pipe.

Mechanical Tests Specified

Cast Analysis-One result per delivery item

Tensile Test-One result per delivery item

Impact Test-Per Heat Number

Surface Condition and Dimensions- 10%

NDT of the Weld-All products, full length