ASTM/AISI Standard Alloy Round Bars

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Specifications

· Grade: Alloy steel

· Standard: AISI, ASTM, BS, DIN, GB, JIS

· OD：10-500mm

· Thickness: Max:800mm

· Width: 205mm~2300mm

· Length: 1000mm~6000mm

· Place of Origin: China (Mainland)

· Model Number: 1.7220 / SCM430 / 30CrMo4 / 4130; 4140/42CrMo4/1.7225; En24 34CrNiMo6 1.6582 4340.

· Application: Mould steel

· Technique: Forged

· Special Use: Mold Steel ,Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

· Shape: Round bars/Flat bar/Plate

· Technology: Hot Rolled/Forged/Clod Draw

· Heat treatment: Annealing/Q+T

· Surface treatment:Black/Peeling/Polishing/Machined

· Delivery condition: Hot rolled or forged/ Peeled or black surface/annealed or QT

· Customer's logo: Available

· Test: SGS/UT100%/Elements testing

· Certificate: ISO/Mill certificate

· Experience: Ten years manufacturer experience

Chemical composition

Grade	C	Mn	Si	Cr	Mo	P≤	S≤	Ni≤
AISI4130	0.28-0.33	0.4-0.6	0.15-0.35	0.8-1.1	0.15-0.25	0.030	0.040	0.25
AISI4140	0.40~0.45	0.75~1.0	0.15~0.35	0.8~1.1	0.15~0.25	0.035	0.040
AISI4340	0.38~0.43	0.60~0.80	0.15~0.35	0.7~0.9	0.20~0.30	0.035	0.040	1.65~2.00

Packaging & Delivery

Packaging Details:	seaworthy packing; 20ft: GW:25T; (5.80mX2.13mX2.18m,) 40ft: GW:25T; (11.8mX2.13mX2.18m,)
Delivery Detail:	7~15days(if in stock)

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