BS 970:1955 EN8 Steel: Specifications, Equivalents & Listings

● 0 new listings and 2 new RFQs posted for BS 970:1955 EN8 in the last 30 days

Forms: Round Bar Square Bar Flat Bar Hex Bar Forging Hollow Bar Wire Rod Coil Category: Carbon Steel

Grade Details

Grade	BS 970:1955 EN8
Standard	BS 970:1955
Applications	Shafts, gears, studs, keys, general machined parts
Most Active In	West (Maharashtra, Gujarat)

Equivalent / Similar Grades

Grade	Standard	Region	Live on M-EX
EN 10083-2 C45	EN 10083-2:2006	Europe	5 listings, 3 RFQs →
AISI 1045	AISI	USA	3 listings, 0 RFQs →
BS 970 (Part 3) 080M40	BS 970 (Part 3):1991	UK	2 listings, 0 RFQs →
IS 1570 (Part 2/Sec 1) 40C8	IS 1570 (Part 2/Sec 1):1979	India	No activity yet
AISI 1040	AISI	USA	3 listings, 0 RFQs →
JIS G4051 S40C	JIS G4051:2009	Japan	3 listings, 0 RFQs →
SAE J403 1042	SAE J403:2014	USA	3 listings, 3 RFQs →
IS 1570 C45	IS 1570:1961	India	12 listings, 12 RFQs →
GOST 1050 45	GOST 1050-2013	Russia	0 listings, 2 RFQs →
NF A35-552 XC45	NF A35-552:1986	France	0 listings, 2 RFQs →
JIS G4051 S45C	JIS G4051:2009	Japan	3 listings, 3 RFQs →
GB/T 699 45	GB/T 699:2015	China	2 listings, 0 RFQs →
NF A35-552 XC48	NF A35-552:1986	France	2 listings, 0 RFQs →
KS D3752 SM45C	KS D 3752:2024	Korea	2 listings, 0 RFQs →
UNI 7845 C45	UNI 7845:1978	Italy	2 listings, 0 RFQs →
SS 14 21 72 2172	SS 14 21 72	Sweden	2 listings, 0 RFQs →
BS 970 EN8D	BS 970:1955	UK	2 listings, 2 RFQs →
BS 970 (Part 1) 080M40	BS 970 (Part 1):1983	UK	No activity yet
BS 970 EN8CM	BS 970:1955	UK	No activity yet
BS 970 EN8E	BS 970:1955	UK	No activity yet

Market Snapshot

Buyers bidding higher

Updated 15 Oct 2026

See Full Price Gap →

7D Offer Price

● 0.0%

15D Offer Price

● 0.0%

30D Offer Price

● 0.0%

Supply & Demand by FormSee Full Supply & Demand →

Round Bar →

In Demand

Square Bar →

Healthy

Forging →

Healthy

Flat Bar →

Deep Supply

Wire Rod Coil →

Deep Supply

Hollow Bar →

Deep Supply

Grade ComparisonCompare With a Specific Grade →

Grade	Standard	Match
BS 970 EN8K	BS 970:1955	Strong Match
BS 970 (Part 3) 080M40	BS 970 (Part 3):1991	Strong Match
BS 970 EN8D	BS 970:1955	Strong Match
BS 970 EN8B	BS 970:1955	Strong Match
BS 970 EN8C	BS 970:1955	Strong Match
BS 970 EN8E	BS 970:1955	Strong Match
BS 970 EN8A	BS 970:1955	Strong Match
BS 970 (Part 1) 080M40	BS 970 (Part 1):1983	Strong Match

Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.

Chemical Composition (%)

C	Si	Mn	S	P
0.35-0.45	0.05-0.35	0.60-1.00	<=0.060	<=0.060

Mechanical Properties

Tensile Strength	≥541 MPa (35 tons/sq in, converted)
Yield Strength	≥278 MPa (18 tons/sq in, converted)
Elongation	≥20%
Hardness	152-207 HB
Condition	NGC 1, Normalised, ruling section 6 in (lowest-strength condition of the standard)

Typical Available Sizes

Round Bar	10mm – 250mm dia
Flat Bar	16×5mm – 150×40mm
Square	12mm – 100mm

Sizes are indicative. Contact seller for exact availability.

More data from BS 970:1955

From the standard

Condition of material on delivery

Bars and billets for forging as rolled or forged unless order states otherwise.

Forgings and drop-forgings in the finally heat treated condition unless order states otherwise.

Bars for machining in the finally heat treated condition unless order states otherwise.

Bright bars per the tables (as altered Feb. 1963).

Source: BS 970:1955, Part 2, En 8 (page 54)

Mechanical properties

Condition	Ruling section or size (in)	Tensile strength (tons/sq in)	Yield stress (tons/sq in)	Elongation (%)	Izod impact (ft lb)	Brinell (HB)	Proof stress 0.2% (tons/sq in), when requested
NGC 1, Normalised	6	35	18	20	-	152-207	-
NGC 1, Hardened and tempered Q	2 1/2	40	28	22	10	179-229	-
NGC 1, Hardened and tempered R	7/8	45	32	20	10	201-255	-
NGC 2, Normalised	6	35	18	17	-	152-207	-
NGC 2, Hardened and tempered Q	2 1/2	40	28	17	-	179-229	-
NGC 2, Hardened and tempered R	7/8	45	32	17	-	201-255	-
GC 1 controlled grain size (McQuaid-Ehn 5-8), Normalised	4	35	18	20	20	152-207	-
GC 1 controlled grain size (McQuaid-Ehn 5-8), Normalised	6	35	18	20	15	152-207	-
GC 1 controlled grain size (McQuaid-Ehn 5-8), Hardened and tempered Q	2 1/2	40	28	22	25	179-229	-
GC 1 controlled grain size (McQuaid-Ehn 5-8), Hardened and tempered R	1/2	45	32	20	40	201-255	-
GC 1 controlled grain size (McQuaid-Ehn 5-8), Hardened and tempered R	7/8	45	32	20	25	201-255	-
GC 2, Normalised	6	35	18	17	dagger (10 where carbon not over 0.40)	152-207	-
GC 2, Hardened and tempered Q	1 1/8	40	28	17	25	179-229	-
GC 2, Hardened and tempered Q	2 1/2	40	28	17	15	179-229	-
GC 2, Hardened and tempered R	7/8	45	32	17	25	201-255	-
Cold drawn following hot rolling, size (diameter or width across flats) 1 1/4 or less in	-	42	-	10	-	<=241	-
Cold drawn following hot rolling, size (diameter or width across flats) Over 1 1/4 to 2 1/2 in	-	39	-	10	-	<=229	-
Cold drawn following hot rolling, size (diameter or width across flats) Over 2 1/2 in	-	37	-	10	-	<=229	-

Values as printed in BS 970:1955; tensile strength, yield stress and proof stress in tons/sq in, Izod in ft lb. Minimum unless a range is shown.

Source: BS 970:1955, Part 2, En 8 (page 55)

Heat treatment

Normalise

830/860 C

Harden (oil)

830/860 C

Temper

550/660 C

Temperatures in degrees C as printed.

Source: BS 970:1955, Part 2, En 8 (page 54)

Status in the 1955 edition

Status

Deleted by Amendment 9

Reason

Amendment 9 (Feb 1972): carbon and carbon-manganese steels moved to BS 970 Part 1:1972

BS 970:1955 was amended up to Amendment 10 (June 1972); steels were moved to the revised Parts 1 to 5 and deleted from this edition.

Source: BS 970:1955, Amendment slips 6 to 10

Popular forms for this grade:

Round Bar (30) Square Bar (6) Forging (6) Flat Bar (4) Wire Rod Coil (4)

Processing:

Active BS 970:1955 EN8 Listings on M-EX (For Sale)

+ Create a Listing for this grade

BS 970:1955 EN8 Round Bar

2.400 MT

View Listing

BS 970:1955 EN8 Square Bar

2.900 MT

View Listing

BS 970:1955 EN8 Hollow Bar

4.000 MT

View Listing

BS 970:1955 EN8 Forging

2.600 MT

View Listing

BS 970:1955 EN8 Round Bar

3.800 MT

View Listing

BS 970:1955 EN8 Square Bar

3.200 MT

View Listing

BS 970:1955 EN8 Wire Rod Coil

2.300 MT

View Listing

BS 970:1955 EN8 Round Bar

1.700 MT

View Listing

BS 970:1955 EN8 Round Bar

3.200 MT

View Listing

BS 970:1955 EN8 Square Bar

3.600 MT

View Listing

BS 970:1955 EN8 Wire Rod Coil

1.400 MT

View Listing

BS 970:1955 EN8 Flat Bar

2.400 MT

View Listing

BS 970:1955 EN8 Hollow Bar

3.200 MT

View Listing

BS 970:1955 EN8 Wire Rod Coil

2.000 MT

View Listing

BS 970:1955 EN8 Forging

3.800 MT

View Listing

Buyer RFQs for BS 970:1955 EN8

+ Post an RFQ for this grade

BS 970:1955 EN8 Round Bar

10.000 MT

View RFQ

BS 970:1955 EN8 Round Bar

10.000 MT

View RFQ

BS 970:1955 EN8 Round Bar

12.100 MT

View RFQ

BS 970:1955 EN8 Square Bar

0.900 MT

View RFQ

BS 970:1955 EN8 Round Bar

1.900 MT

View RFQ

BS 970:1955 EN8 Round Bar

6.800 MT

View RFQ

BS 970:1955 EN8 Round Bar

0.900 MT

View RFQ

BS 970:1955 EN8 Forging

8.000 MT

View RFQ

BS 970:1955 EN8 Round Bar

14.400 MT

View RFQ

BS 970:1955 EN8 Forging

8.700 MT

View RFQ

BS 970:1955 EN8 Round Bar

2.900 MT

View RFQ

BS 970:1955 EN8 Wire Rod Coil

5.400 MT

View RFQ

BS 970:1955 EN8 Round Bar

1.700 MT

View RFQ

BS 970:1955 EN8 Round Bar

5.000 MT

View RFQ

BS 970:1955 EN8 Square Bar

2.400 MT

View RFQ

BS 970:1955 EN8 Steel: Specifications & Listings

More data from BS 970:1955

Active BS 970:1955 EN8 Listings on M-EX (For Sale)

Buyer RFQs for BS 970:1955 EN8