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Jiangyin Golden Machinery Equipment Co., Ltd.

Wrought Iron Steel Spear, Iron Casting Steel Spear, Steel Spear Large Size manufacturer / supplier in China, offering Wrought Iron Steel Spears Big Sized, Forging BS970 817m40 Stand Mandrel Shaft, Forged SAE4140 SAE4340 42CrMo Steel Shaft with Qt and so on.

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Wrought Iron Steel Spears Big Sized

FOB Price: US $88 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $88/ Piece
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Production Capacity: 5000tons/Year
Transport Package: as Per Client′s Require
Payment Terms: L/C, T/T, Paypal

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Basic Info
  • Model NO.: wrought iron steel spear
  • Casting Form Material: Metal
  • Casting Form Usage Count: Permanent
  • Surface Roughness: Ra3.2
  • Machining Tolerance: +/-0.15mm
  • Certification: SGS, ISO 9001:2008
  • Name: Wrought Iron Steel Spear
  • Technology: Casting
  • Specification: Wrought iron steel spear
  • HS Code: 73269090
  • Casting Method: Special Casting
  • Casting Metal: Cast Steel
  • Surface Treatment: Polishing
  • Coating: Zinc oxide
  • Standard: ASTM
  • Size: 1/4′′ to 500′′
  • Cncturning: Roungh Machining
  • Trademark: JYGD
  • Origin: Jiangsu
Product Description
Name: Wrought iron steel spear

1.4140/1.7225/42CrMo4/SCM440/EN19
2.good price and fast delivery time
3.large stocks
Equivalent grades
GBDINAISIJIS
42CrMo1.72254140SCM440
Chemical Composition
CSiMnCrMoPS
0.38-0.430.40max0.60-0.900.90-1.200.15-0.30≤0.035≤0.035
Available size
Round steel bar 60-800mm
Flat steel bar 25-400mm*200-800mm
Surface condition
Black surface/ Grinded/ Machined
Hardness
Annealed HBS 217 max
Characteristics
4140 Alloy Steel/SAE 4140 Steel Price is engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability.
Applications
4140 Alloy Steel/SAE 4140 Steel Price is use to produce components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering .
Heat treatment
ForgingHeat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
AnnealingHeat to 830°C-850°C.Cool in furnace.
NormalizingHeat to 870°C-900°C.Cool in still air.
Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air.
HardeningHeat to 830°C-880°C. Quench in oil or polymer.
TemperingHeat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided.
Steel Grades We can Supply
Cold work tool steel
DIN 1.2067, 1.2080, 1.2363, 1.2379, 1.2436, 1.2510, 1.2550, 1.2746, 1.2767, 1.2842, etc.
AISI L1, L3, D3, D2, D6, A2, A5, O1, O2, 6F7, etc.
JIS SUJ2, SKD1, SKD11, SKD12, SNCM2, DC53(DAIDO), etc.
Hot work tool steel
DIN 1.2343, 1.2344, 1.2365, 1.2367, 1.2581, 1.2714, 1.2885, etc.
AISI H10, H10A, H11, H12, H13, H21, L6, S7
JIS SKD61, SKT4, etc.
Plastci mould steel
DIN 1.2083, 1.2085, 1.2311, 1.2312, 1.2316, 1.2738, etc.
AISI 420, P20, P20+S, P20+Ni, etc.
DAIDO NAK80
High speed tool steel
DIN 1.3343, 1.3355/ AISI M2, T1.
Alloy steel
AISI/SAE 4140, 4130, 4340, 8620, 8640, etc.

Wrought Iron Steel Spears Big Sized
 
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