Technical Proficiency

	ASTM	DIN		ASTM	DIN
Cobart Steel	A216 – WCB	1.0619	Austenitic Ferrite Duplex Steels	A351 – CF3MN	1.4435
	A216 – WCC			A351 – CD4MCu
	A352 – LCC	1.1138		A351 – CG6MMN	1.3964
	A352 – LCB			A351 – CK3MCuN

Low Alloys Steels	A217 – WC1	1.5419	Super Duplex Stainless Steel	A890 – GR1A
	A217 – WC4			A890 – GR2A
	A217 – WC5			A890 – GR3A
	A217 – WC6	1.7356		A890 – GR4A
	A217 – WC9	1.7379		A890 – GR5A
	A217 – WC11			A890 – GR6A
	A217 – C5	1.7363
	A217 – C12
	A217 – C12A		Nickle Based Super Alloys	A494 – N-12MV
				A494 – N-7M
Martensitic Steels	A743 – CA15	1.4008		A494 – CY40	2.4816
	A743 – CA40	1.4028		A494 – CW12MW	2.4686
	A743 CA-6NM	1.4313		A494 – CW6M
				A494 – CW2M	2.461
Heat Resisting Steel	A297 – HF	1.4825		A494 – CW6MC	2.4856
	A297 – HH	1.4837		A494 – CX2MW	2.4602
	A297 – HI	1.4846		A494 – Cu5MCuC	2.4858
	A297 – HK	1.4848		A560 – 50Cr50Ni
	A297 – HD	1.4823		A560 – 50Cr50Ni-Nb	2.4813
				A560 – 60Cr40Ni
Austenitic Stainless Steel	A351 – CF8	1.4308
	A351 – CF8M	1.4408
	A351 – CF3	1.4306
	A351 – CF3M	1.4404 / 1.4409
	A351 – CF8C	1.4827
	A351 – CF10	1.4308
	A351 – CK20	1.4843
	A351 – CH20
	A351 – CN7M	1.45
	A351 – CG8M	1.4431
	A351 – CG3M

Castings can be supplied as per equipment DIN, JIS, BS and GOST standards.

Other than above, in general we can cast any material compositions as per customers specifications meeting international standards.

Investment castings tolerances
Reference international standard: VDG P690

Precision class	Length of the tolerated element
	to 25 mm	25 to 50 mm	up to 50 mm
	allowed difference
D1	0.15 mm	0.25 mm	0.60%
D2	0.10 mm	0.20 mm	0.40%

	Ra	Rz	Rt
N9	6.3	23-32	25-38