Steel grades

The chemistry of every grade we forge to specification. Search for the grade on your drawing; if it is not listed, send us the specification.

29
Grades: 5
Families: Certified per heat
Chemistry

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Composition in per cent by weight. A blank cell indicates a figure we have not published.
Grade	Family	%C	%Mn	%S	%P	%Si	%Cr	%Ni	%Mo	Enquire
CL-2	Carbon steel	0.15–0.25	0.60–0.90	≤ 0.050	≤ 0.050	0.15–0.35	—	—	—	Use this grade
CL-3	Carbon steel	0.25–0.35	0.60–0.90	≤ 0.050	≤ 0.050	0.15–0.35	—	—	—	Use this grade
CL-4	Carbon steel	0.40–0.50	0.60–0.90	≤ 0.050	≤ 0.050	0.15–0.35	—	—	—	Use this grade
C-25	Carbon steel	0.25–0.35	0.60–0.90	≤ 0.050	≤ 0.050	0.05–0.35	—	—	—	Use this grade
C-35	Carbon steel	0.30–0.40	0.60–0.90	≤ 0.050	≤ 0.050	0.05–0.35	—	—	—	Use this grade
C-40	Carbon steel	0.35–0.45	0.60–0.90	≤ 0.050	≤ 0.050	0.05–0.35	—	—	—	Use this grade
C-45	Carbon steel	0.40–0.50	0.60–0.90	≤ 0.050	≤ 0.050	0.05–0.35	—	—	—	Use this grade
C-60	Carbon steel	0.57–0.65	0.50–0.80	≤ 0.045	≤ 0.045	0.15–0.35	—	—	—	Use this grade
45C8	Carbon steel	0.40–0.50	0.60–0.90	≤ 0.050	≤ 0.050	0.15–0.35	—	—	—	Use this grade
35C8	Carbon steel	0.30–0.40	0.60–0.90	≤ 0.050	≤ 0.050	0.15–0.35	—	—	—	Use this grade
CK-35	Carbon steel	0.32–0.39	0.50–0.80	≤ 0.035	≤ 0.035	≤ 0.40	—	—	—	Use this grade
CK-45	Carbon steel	0.42–0.50	0.50–0.80	≤ 0.035	≤ 0.035	0.15–0.35	—	—	—	Use this grade
EN-8	Carbon steel	0.35–0.45	0.50–0.80	≤ 0.060	≤ 0.060	0.05–0.35	—	—	—	Use this grade
EN-9	Carbon steel	0.50–0.60	0.50–0.80	≤ 0.060	≤ 0.060	0.05–0.35	—	—	—	Use this grade
AISI-1015	Carbon steel	0.13–0.19	0.30–0.60	≤ 0.050	≤ 0.040	≤ 0.10	—	—	—	Use this grade
AISI-1045	Carbon steel	0.43–0.50	0.60–0.90	≤ 0.050	≤ 0.040	0.10–0.20	—	—	—	Use this grade
EN-18	Alloy steel	0.35–0.45	0.60–0.95	≤ 0.050	≤ 0.050	0.10–0.35	0.85–1.15	—	—	Use this grade
EN-41B	Alloy steel	0.35–0.45	≤ 0.65	≤ 0.050	≤ 0.050	0.10–0.35	1.40–1.80	≤ 0.40	0.10–0.25	Use this grade
10CrNiMo6	Case hardening	0.08–0.13	0.30–0.60	≤ 0.025	≤ 0.025	0.15–0.35	1.00–1.40	1.40–1.80	0.25–0.35	Use this grade
17CrNiMo6	Case hardening	0.14–0.19	0.30–0.60	≤ 0.025	≤ 0.025	0.10–0.40	1.40–1.70	1.40–1.70	0.25–0.35	Use this grade
EN-353	Case hardening	≤ 0.20	0.50–1.00	≤ 0.050	≤ 0.050	≤ 0.35	0.75–1.25	1.00–1.50	0.08–0.15	Use this grade
42CrMo4	Cr-Mo	0.38–0.45	0.50–0.80	≤ 0.030	≤ 0.035	≤ 0.40	0.90–1.20	—	0.15–0.70	Use this grade
EN-19	Cr-Mo	0.35–0.45	0.50–0.80	≤ 0.050	≤ 0.050	0.10–0.35	0.90–1.50	—	0.20–0.40	Use this grade
4130	Cr-Mo	0.28–0.33	0.40–0.60	≤ 0.025	≤ 0.025	0.15–0.35	0.80–1.10	—	0.15–0.25	Use this grade
4140	Cr-Mo	0.38–0.43	0.75–1.00	≤ 0.040	—	0.15–0.35	0.80–1.10	—	0.15–0.25	Use this grade
709M40	Cr-Mo	0.36–0.44	0.70–1.00	≤ 0.040	—	0.10–0.40	0.90–1.20	—	0.25–0.35	Use this grade
817M40	Ni-Cr-Mo	0.36–0.44	0.45–0.70	≤ 0.040	—	0.10–0.40	1.00–1.40	—	0.20–0.35	Use this grade
34CrNiMo6	Ni-Cr-Mo	0.30–0.38	0.50–0.80	≤ 0.035	≤ 0.035	≤ 0.40	1.30–1.70	1.30–1.70	0.15–0.30	Use this grade
EN-24	Ni-Cr-Mo	0.36–0.44	0.60–0.90	≤ 0.050	≤ 0.050	0.10–0.35	1.35–1.65	—	—	Use this grade

Figures are the specification ranges for each grade. The chemistry supplied with your part is that of its own heat, as recorded on the test certificate.

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