Round bar, steel round bar, alloy steel round bar manufacturer / supplier in China, offering 1.7225/SAE4140 Q+T round bar for mechanical, H13/1.2344 ESR machined round bar for die and tool, SUS304/ S30400/304/ 304C1 Stainless Steel sheet and so on.
Min. Order / Reference FOB Price | |
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3 Tons | US $710.00/ Tons |
Local Area: | Guangzhou, Guangdong, China |
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R&D Capacity: | OEM, ODM, Other |
Payment Terms: | LC, T/T, D/P, PayPal, WesternUnion, Small-amountpayment |
Type: | Carbon Steel Bar |
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Standard: | AISI, ASTM, GB, JIS, DIN, BS |
Technique: | Hot Rolled |
GermanyW.Nr 1.0503 C45
W.Nr 1.1191 CK45Great BritainBS970 - Part 3 - 1991 080A47
BS970 - Part 1 - 1972 080M46
BS970 - 1955 EN43BJapanJIS G 4051 S45CUSAAISI C1045
ASTM A29/A29M - 91 1045
SAE 1045
UNS G 10450AustraliaAS 1442 - 1992 1045
Cr + Mo + Ni = max 0.63
C SiMn Ni P S Cr Mo0.43 - 0.5 max0.4 0.5 - 0.8 max0.4 max0.045max0.045max0.4 max0.1
ForgingPre heat to 750ºC - 800ºC, then continue heating to 1100ºC - 1200ºC maximum, hold until temperature is uniform throughout the section and commence forging immediatelyAnnealingHeat to 800ºC - 850ºC hold until temperature is uniform throughout the section, and cool in furnaceHardeningHeat to 820ºC - 850ºC hold until temperature is uniform throughout the section, soak for 10 - 15 minutes per 25mm of section, and quench in water or brine.
or:
Heat to 830ºC - 860ºC soak as above and quench in oil.Temper immediately while still hand warmNormalizingHeat to 870ºC - 920ºC hold until temperature is uniform throughout the section, soak for 10 - 15 minutes.Cool in still airTemperingRe heat to 400ºC - 650ºC as required, hold until temperature is uniform throughout the section, soak for 1 hour per 25mm of section, and cool in still air.