Hot Rolled Alloy Steel Scm420 420h 435 Round Bar Price

• Type: Alloy Steel Bar
• Standard: AISI, ASTM
• Technique: Hot Rolled
• Application: Structural Steel Bar, Tool Steel Bar
• Surface Treatment: Coated
• Alloy: Alloy
• Model NO.: EL-RB
• Special Use: Mold Steel
• Technics: Hot Rolled or Forged
• Length: 2-12m
• Delivery Time: 15-30 Days After Dwon Payment
• Alloy or Not: Is Alloy
• Surface: Peeling, Turning, Polishing
• Secondary or Not: Non Secondary
• Standard or Not: Standard
• Price Term: Fob,CIF,CNF
• Payment: L/C,T/T
• Transport Package: in Wooden Case or Wooden Pallet
• Specification: 10mm-900mm
• Trademark: Kingmetal
• Origin: China
• HS Code: 7210490000
• Production Capacity: 3000000 Tons / Month

Product Description

 

Symbol of Class	Chemical Composition %
	C	Si	Mn	P Max.	S Max.	Cr	Mo
SCM 415	0.13~0.18	0.15~0.35	0.60~0.85	0.030	0.030	0.90~1.20	0.15~0.30
SCM 418	0.16~0.21	0.15~0.35	0.60~0.85	0.030	0.030	0.90~1.20	0.15~0.30
SCM 420	0.18~0.23	0.15~0.35	0.60~0.85	0.030	0.030	0.90~1.20	0.15~0.30
SCM 421	0.17~0.23	0.15~0.35	0.70~1.00	0.030	0.030	0.90~1.20	0.15~0.30
SCM 430	0.28~0.33	0.15~0.35	0.60~0.85	0.030	0.030	1.00~1.50	0.15~0.30
SCM 432	0.27~0.37	0.15~0.35	0.30~0.60	0.030	0.030	0.90~1.20	0.15~0.30
SCM 435	0.33~0.38	0.15~0.35	0.60~0.85	0.030	0.030	0.90~1.20	0.15~0.30
SCM 440	0.38~0.43	0.15~0.35	0.60~0.85	0.030	0.030	0.90~1.20	0.15~0.30
SCM 445	0.43~0.48	0.15~0.35	0.60~0.85	0.030	0.030	0.90~1.20	0.15~0.30
SCM 822	0.20~0.25	0.15~0.35	0.60~0.85	0.030	0.030	0.90~1.20	0.15~0.30
Note : As impurities, Ni and Cu shall not exceed 0.25% and 0.30% respectively for all grades.

Surface Treatment: painting,plating,polishing,black oxide,transparent anti-rust oil

Heat treatment: Normalized / Annealed / Quenched / tempered

Processing
 
Electric arc furnace melting→refining furnace→vacuum treatment furnace→
→cast ingot→steel ingot anneal→ heating → high-speed forging, refining
forging→annel,retarded cooling,air cooling→quenching and tempering
treatment→finishing operation→test→finished products
 
Application:
Foodstuff, gas, metallurgy, biology, electron, chemical, petroleum, boilers, nuclear, energy, construction field, ships building industry, war and electricity industry, boiler heat exchanger, machiner and hardware fields and medical equipment, fertilizer, etc.