Trusted Exporter of Industrial Alloy Steel Round Bar AISI 4140 / DIN1.7225

Alloy Steel Round Bar AISI 4140 / DIN1.7225 available in diversity of sizes in Big stock, we deliver Alloy Steel Round Bar AISI 4140 / DIN1.7225 with Exceptional sizes & Quality, can supply in small or large quantity.

Rythme Alloy is the most acclaimed manufacturer, exporter, distributor and supplier of industrial Alloy Steel Round Bar AISI 4140 / DIN1.7225 with required test certificates. Our material is certified to the highest industry standards. You can also Order small quantities, we will be happy to quote best price for small and large quantities & can typically deliver the Alloy Steel Round Bar AISI 4140 / DIN1.7225 in minimum time frame anywhere around the globe. Our broad product range makes your individual wishes possible and also meets the extraordinary demands.

Alloy Steel Round Bar AISI 4140 / DIN1.7225 specification

Hardness:	≤217HBS	Hot Rolled Technology:	EAF+LF+VD
Diameter(mm):	¢16~¢255	Length(mm):	2000~5800

Hot Rolled Forged Alloy Steel Round Bar AISI 4140 / DIN1.7225
4140 Alloy Steel Round Bar / 1.7225 Alloy Steel Rod

Description:

1. DIN1.7225 / SAE4140 / GB42CrMo / JIS SCM440 Alloy Steel  Round Bar /  Steel Rod

2. Hot rolled or forged condition, annealing or harden, black or milled surface

3. Pre-heat treatment:

Annealing : heat to 840-860°c, keep 2H, furnace cold, hardness≤217HBS
High temperature tempering : heat to 680-700°c, air cold, hardness ≤217HBS

4. Heat treatment:

Normalization: heating to 840 to 880 °C, maintenance, furnace cooling to 600 °C, then in air.
Stress relieving: after rough heat to 500 °C, maintenance raff. In oven to 400 °C, then in air.
Hardening: preheating from 600 to 650 °C austenitizing at 840 to 880 °C, quenching in oil.

Tempering: heating to 550 – 650 °C and maintenance regime, again depending on the mechanical properties

5. Hot rolled technology:EAF+LF+VD

Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface

6.Ultrasonic test standard: SPE1921-GR3, CLASS C/C or D/D

7.Production leadtime: 7~10 days

8. Chemical composition:

C	Mn	Si	Cr	Ni	Cu	P	S
0.17-0.23	0.30-0.60	0.15-0.40	1.25-1.75	3.25-3.75	≤0.25	≤0.030	≤0.030

9.Compared grades(based on usage):

Chinese	American	German	Japanese
GB	AISI	DIN	JIS
42CrMo	4140	1.7225	SCM440

Alloy Steel Round Bar AISI 4140 / DIN1.7225 manufacturer, Stockholder & Supplier
We have a specialist dedicated Alloy Steel Round Bar AISI 4140 / DIN1.7225 team and can supply the following stainless steel grades in bar and round bar form with the following sizes in stock:

Alloy Steel Round Bar AISI 4140 / DIN1.7225 Production according to national and international standards (e.g. ASME, ASTM, API, EN, DNV, etc.)

Alloy Steel Round Bar AISI 4140 / DIN1.7225 uses & application:

We supply Alloy Steel Round Bar AISI 4140 / DIN1.7225 to Oil & Gas, Refineries, Fertilizers, Heat-Exchangers, Paper & Pulp, Pharmaceuticals, Chemicals, Water Treatment, Dairy, Sugar & Food Processing, Construction, Mining, Shipbuilding, Offshore, Defence, Ports, Railway, Nuclear Power, Power Plant, Cement, Government Org., Engineering Co., Oil Mills, and other industrial projects.