High Strength Steel 30ХГСA
2026-08-18 09:02:49 Origin： Remark：0 Click：
ГОСT 4543 -1971 Chromium - Manganese - Silicon steel round bar 30ХГСA heat treated forgings plate stock available 30ХГСA hot bloomed, rolled, forged, cold drawn rod
TECHNICAL DATA SHEET - 30ХГСA
Material type: 0.95Cr - 1.05Si - 0.95Mn - 0.30C base structural steel
Technical specification: ГОСT 4543 -1971
Available from stock: round bar 20 ~ 210 mm
Typical chemical compositions (mass weight - %)
Carbon, C (％): 0.28 ~ 0.35
Silicon, Si (％): 0.90 ~ 1.20
Manganese, Mn (％): 0.80 ~ 1.10
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 0.80 ~ 1.10
Nickel, Ni (%): ≤ 0.30
Molybdenum, Mo (％): -
Ferrum, Fe (%): remainder.
Material type: 0.95Cr - 1.05Si - 0.95Mn - 0.30C base structural steel
Technical specification: ГОСT 4543 -1971
Available from stock: round bar 20 ~ 210 mm
Typical chemical compositions (mass weight - %)
Carbon, C (％): 0.28 ~ 0.35
Silicon, Si (％): 0.90 ~ 1.20
Manganese, Mn (％): 0.80 ~ 1.10
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.025
Chromium, Cr (％): 0.80 ~ 1.10
Nickel, Ni (%): ≤ 0.30
Molybdenum, Mo (％): -
Ferrum, Fe (%): remainder.
MECHANICAL PROPERTIES - HEAT TREATMENT PRACTICE
Heat treatment temperature / ℃, annealing: -
Heat working temperature / ℃: 1200 ~ 800
Heat treatment temperature / ℃, quenching: 880, oil cooled
Heat treatment temperature / ℃, tempering: 280 ~ 310 air cooled
Hardness under annealing condition ≤ HBW: 241
Tensile strength, Rm ≥ MPa: 1670
Yield strength, Rp0.2 ≥ MPa: 1275
Elongation, A5 ≥ (%): 9.0
Reduction of area, Z ≥ (%): 40.0
Impact strength, AK ≥ J: 39
Hardness after final heat treatment / HBW: -
PRODUCT DESCRIPTION
30ХГСА is usually produced by EAF + VD + LF / BEF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment: quenched and tempered.
Rod / round bar / disc (diameter): 6.0 ~ 900 mm
Square bar / flat bar (width) : 10 ~ 600 mm
TECHNICAL SALES ASSISTANCE & SERVICE
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
Final heat treatment: quenched and tempered.
Rod / round bar / disc (diameter): 6.0 ~ 900 mm
Square bar / flat bar (width) : 10 ~ 600 mm
TECHNICAL SALES ASSISTANCE & SERVICE
20+ years focus on special steel manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
Raw material available from stock
Custom 450 / C450 / XM-25 (S45000), 403 ESR, AISI 616 / 422 ESR, B50A365 / 403Cb+
17-4PH / 630, M-152 / 1.4938 / S151, S159, FV520B / S143 / 1.4594. X22CrMoV12-1
13Х11Н2B2MФ / AE961W, 11Х11Н2B2MФ / 16Х11Н2B2MФ
AISI 615 / S41800, 15-5PH / XM-12 (S15500), A-286 AISI 660 / S66286
10705BU, 10705MBU, 10705AJ, S111, S131, S154
Custom 450 / C450 / XM-25 (S45000), 403 ESR, AISI 616 / 422 ESR, B50A365 / 403Cb+
17-4PH / 630, M-152 / 1.4938 / S151, S159, FV520B / S143 / 1.4594. X22CrMoV12-1
13Х11Н2B2MФ / AE961W, 11Х11Н2B2MФ / 16Х11Н2B2MФ
AISI 615 / S41800, 15-5PH / XM-12 (S15500), A-286 AISI 660 / S66286
10705BU, 10705MBU, 10705AJ, S111, S131, S154
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