We vigorously expand the domestic and foreign markets, strive to climb the peak of the 1.3343 HSS Flat Bar, 304 stainless steel composition, Stainless Steel Bar industry, and develop towards modularization, groupization and internationalization. Over the years, our company has been guided by market demand and gradually become a modern enterprise integrating scientific research, production and sales. Our company invests a lot of manpower and material resources to develop the market with the advantage of big brand.
6150 spring steel bar
6150 spring steel bar is widely used inmechanical manufacture,construction field,farm vehicles,agriculture greenhouse,automotive industry,railway,decoration,steel structure,etc.

Product Basic Information:
Material | 6150 | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.38-0.45 | Tensile strength(MPA) | 1080 |
Si | 0.17-0.37 | Yield strength (MPA) | 930 |
Mn | 0.50-0.80 | Elongation(δ5/%) | 12 |
Cr | 0.90-1.20 | Reduction in Area (ψ/%) | 45 |
Mo | 0.15-0.25 | Impact (J) | 63 |
P | ≤0.035 | Hardness | ≤229HB |
S | ≤0.035 | ||
Cu | ≤0.30 | ||
Ni | ≤0.30 | ||
Similar steel grade & equivalent steel materials:
| USA | Japanese | Gemany | British | France | International | Chinese |
ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
6150 | Sup10 | 51CrV4(1.8159) | 51CRV4 | 51CrV4 | ------ | 50CrVA |

Below inspection will be done in the production.
(1) Ray detection---RT;
(2) Ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) Penetration testing-PT;
(5) Eddy current flaw detection-ET
Packing & Delivery
Standard seaworthy package:
1.Packed in bundles,wrapped with kraft paper for protection,reinforced by steel strip for the convenience of long distance transportation.
2.Each bundle weight: 2.0 to 3.0 MT.

FAQ
1.Q: Are your a factory or a trading company?
A: We are a factory.
2.Q: What is your delivery date?
A:The delivery date is about 10-30 days after receipt of payment.
3.Q: How can I get some sample?
A: We are honored to offer you samples
4.Q: OEM is acceptable?
A: Yes. We are good at steel making since 2002 with complete production equipments. Share your new project with us, we will help you to solve it.
5.Q: What are the difference between you and other steel company?
A: Quality first! The price will be changed according to your order. The rechargeable sample's will return to you after you offer the deposit!Our company are full of chinese culture,Won't you want to come here! ^.^
The sales are beautiful and handsome0.0!

Our Service

We have been wholeheartedly devoted to the technological promotion, cultivation of R&D team, and development of new process. Our vision is achieve the goal of top global Spring Steel Flat Bar Round Bar ASTM 6150/Sup10/50crva/50CRV4 (1.8159) manufacturer. For further acknowledge, our consultant service group will reply to all of the inquiries and complications immediately. Our objective is to build a first-class centennial brand, carefully forge a thriving future and achieve a win-win situation with partners.

