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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

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City:wuxi

Province/State:jiangsu

Country/Region:china

Contact Person:MrGao Ben

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China SAPH440 EquivalentJIS G3113 Structural Automobile Hot Rolled And Cold Rolled Sheet And Plate wholesale

SAPH440 EquivalentJIS G3113 Structural Automobile Hot Rolled And Cold Rolled Sheet And Plate

Name: SAPH440 EquivalentJIS G3113 Structural Automobile Hot Rolled And Cold Rolled Sheet And Plate
Brand: WISCO
Price: 0.85 USD

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Model Number :SAPH440

Brand Name :WISCO

Certification :SGS ISO MTC

Place of Origin :China

MOQ :500KGS

Price :0.85 USD/KG

Payment Terms :L/C, T/T

Supply Ability :8000Tons

Delivery Time :14 Days

Packaging Details :Wodden Pallet

Thickness :0.5-4mm

Width :1000-1500mm

Length :2000-12000mm

Use :Automobile

Condition :Cold Rolled

Type :Sheet Plate and Coil

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SAPH440 EquivalentJIS G3113 Structural Automobile Hot Rolled And Cold Rolled SAPH440 Steel Sheet and Plate

WHAT IS SAPH440 STEEL?

SAPH440 steel is structural hot-rolled steel in the form of plates, sheets & strips for automobile structural applications. SAPH440 is a material grade and designation defined in JIS G 3113 standard. JIS G 3113 is a Japanese material standard for Hot-Rolled steel plates, sheets, strips for automobile structural usage. The structural quality hot rolled SAPH440 steel is more reliable in its tensile strength than SAPH400 steel. It can be used in automotive applications where more strength is needed & the material does not fail under exceeding loading.

WHAT IS JIS G 3113?

JIS G 3113 is a Japanese material standard that defines the specifications of hot-rolled steel plates, sheets, and strip for automobile structural uses.

SAPH440 FULL FORM

Sources say that SAPH 440 means Steel Automotive Pickled Hot-rolled and 440 MPa minimum tensile strength. Whilst this explanation can be used to remember the material grade specification however SAPH 440 is a grade specified in Japanese standard, where only 440 is defined in the standard for its minimum tensile strength. Other qualities of steel like pickled and hot-rolled are also valid but a reliable source is yet to be found to verify this information.

JIS G 3131-1996

Hot rolled Mild steel plates,sheets and strip

Hot Rolled SAPH310/SAPH370 steel Chemical composition unit%

Symbol	Chemical composition
Symbol	P max	S max
SAPH310,SAPH370,SAPH400,SAPH440	0.040	0.040

Hot Rolled SAPH310/SAPH370 steel Mechanical properties

Symbol	Elongation (rolling direction)%						Bendability
	NO.5 test piece					No.1A test piece	Bendability
	≥1.6 <2mm	≥2.0 <2.5mm	≥2.5 <3.15mm	≥3.15 <4.0mm	≥4.0 <6.3mm	≥6.3mm	Bending angle	Inside Radius		Test piece
	≥1.6 <2mm	≥2.0 <2.5mm	≥2.5 <3.15mm	≥3.15 <4.0mm	≥4.0 <6.3mm	≥6.3mm	Bending angle	<2.0mm	≥2.0 mm	Test piece
SAPH310	33	34	36	38	40	26	180°	Flat on itself	Thickness x 1.0	No.3 transversely to rolling direction
SAPH370	32	33	35	36	37	25	180°	-Thickness x 0.5	Thickness x 1.0
SAPH400	31	32	34	35	36	24	180°	Thickness x 1.0	-Thickness x 1.0
SAPH440	29	30	32	33	34	22	180°	Thickness x 1.0	Thickness x 1.5

Symbol	Tensile strength N/mm2 min	Yield point N/mm2
Symbol	Tensile strength N/mm2 min	<6	≥6 <8mm	≥8 <14mm
SAPH310	310	195	195	175
SAPH370	370	225	225	215
SAPH400	400	255	235	235
SAPH440	440	305	295	275

DIMENSIONAL CHARACTERISTICS OF SAPH440 STEELS

The applicable thickness for this SAPH440 material as defined in the JIS 3113 starts from 2 mm to 14 mm. However, the width of SAPH440 material ranges to 950 to 2000 mm.

THE CHEMICAL COMPOSITION OF SAPH440 STEELS

JIS G 3113 defines the chemical composition of SAPH440 steels as under:

Carbon (C) is not identified in the standard.
Manganese (Mn) is not identified in the standard.
Maximum percentage of Phosphorous (P) is 0.040 percent.
Maximum percentage of Sulphur (S) is 0.040 percent.

Remaining is iron (Fe) percentage and with few negligible impurities.

MECHANICAL PROPERTIES OF SAPH440 STEELS

The tensile strength of the SAPH440 Steels is expressed in Newton per millimeters and it must be at least 440 N/mm2 (MPa).
The yield strength is minimum 275 to minimum 305 N/mm2 (MPa) depending on the thickness.
The elongation property of SAPH440 steel varies with the ranges of thickness. The minimum percentage ranges for elongation is 29 to 34 minimum. Only over 6.5 mm thickness requires 22 minimum percentage elongations. Higher thickness gauges usually show higher elongation than lower gauges.

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